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Lsi Corporation patents


Recent patent applications related to Lsi Corporation. Lsi Corporation is listed as an Agent/Assignee. Note: Lsi Corporation may have other listings under different names/spellings. We're not affiliated with Lsi Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Lsi Corporation-related inventors


Method for controlling inverter

Disclosed is a method for controlling an inverter. The method includes detecting an output current from an inverter to determine a software over-current suppression (s/w ocs) level according to an output frequency of the output current.. ... Lsi Corporation

Inverter system and method of controlling the same

An inverter system includes a rectifier configured to convert a 3-phase ac voltage into a dc voltage, a dc link capacitor configured to smooth the dc voltage into a dc link voltage, an inverter unit configured to convert the dc link voltage into an ac voltage and to output the ac voltage to a motor, and a controller configured to control operation of the inverter unit. The controller performs control to switch the inverter unit to a zero vector when overload is applied during operation of the inverter unit.. ... Lsi Corporation

Circuit breakers

Provided is a circuit breaker including a single pole breaking unit with a pressure trip device that rotates a trip bar through an arc gas and an opening/closing mechanism unit adjusted to be in a trip state as the trip bar rotates through the pressure trip device. The pressure trip device includes: a first case connected to the single pole breaking unit and having an arc gas discharge hole; a barrier positioned in the front of the arc gas discharge hole and bent through an arc gas discharged through the arc gas discharge hole; a shooter seated on the first case and configured to drive the trip bar while moving through the arc gas discharged through the arc gas discharge hole; and a second case connected to cover the first case.. ... Lsi Corporation

Circuit breaker including single pole breaking unit

Provided is a circuit breaker with a single pole breaking unit including a housing, a movable contact provided in the housing, a fixed contact provided in the housing and contacting or separated from the movable contact, and an extinction unit provided in the housing and configured to extinguish an arc generated when the movable contact and the fixed contact are separated. At least one arc gas discharge passage is formed in the housing to allow an arc gas generated when the movable contact and the fixed contact are separated to be discharged.. ... Lsi Corporation

Device for detecting output current of inverter

Disclosed is a device for detecting an output current of an inverter. The device for detecting an output current of an inverter according to the present disclosure includes a shunt resistor connected to an output end of a capacitor of a direct current (dc) link; a detector connected to the shunt resistor and configured to detect the output current; and a controller configured to control a sampling timing of a current in the detector.. ... Lsi Corporation

High performance semi-rigid wall protection system

A wall protection system includes a backing layer, an intermediate layer, and a top layer. The intermediate layer is secured to the backing layer and includes a flexible polyvinyl chloride (pvc). ... Lsi Corporation

System and method for stay suture management

A system for stay suture management is disclosed. The system has a catheter and a hooking manipulator. ... Lsi Corporation

Managing device for cooling inverter

Disclosed is a managing device for cooling an inverter. The managing device for cooling an inverter includes a fan controller configured to provide an electric current flowing in a cooling fan; and a controller configured to determine whether the current flowing in the cooling fan is out of a preset range, and, when the current is out of the preset range, configured to control the cooling fan with a control voltage different from an operating voltage of the cooling fan.. ... Lsi Corporation

Magnetic trip device for circuit breaker

A magnetic trip device according to the present disclosure comprises an actuator coil part having a plunger; an output plate configured to rotate in a first direction by the pressing of the plunger; a micro switch configured to output an electrical signal indicating a state of the circuit breaker; a switch driving lever mechanism configured to rotate to a first position for pressing the operation lever portion and a second position for releasing the operation lever portion; a driving lever bias spring for elastically pressing the switch driving lever mechanism; an automatic reset mechanism for pressing the plunger to the retracted position; a driving lever latch configured to rotate to a restraining position for preventing the switch driving lever mechanism from rotating to the first position, and a release position; and an avoiding portion formed on the output plate to avoid contacting with the switch driving lever mechanism.. . ... Lsi Corporation

Diagnosing device of three phase inverter

A diagnosing device of a three phase inverter is provided, which includes a relay connected in series with a capacitor disposed on a dc link, an initial charging resistor connected in parallel to the relay, an inverter comprising a switching device for controlling a power supply to three phase output lines, a current sensor disposed on a connection line connecting between the dc link and the inverter to sense a current, and a control unit for driving the switching device and diagnosing at least one of opening and shorting of the switching device according to whether the current is sensed or not.. . ... Lsi Corporation

Surgical rib retractor

A surgical rib retractor has a housing having a first shoulder. The surgical rib retractor also has a body pivotably coupled to the housing and having a second shoulder. ... Lsi Corporation

Bracket for fixing electronic device and mechanism for fixing electronic device

Disclosed herein is a bracket for fixing an electronic device. The bracket for fixing an electronic device that is accommodated in an opening formed in an enclosure and has a front cover in tight contact with a front face of the enclosure in the vicinity of the opening. ... Lsi Corporation

Inverter control apparatus

The apparatus according to the present invention comprises a command voltage determination circuit section configured to determine a predetermined first compensation voltage as a command voltage upon initial startup and provide the command voltage to an inverter; a conversion circuit section configured to convert an output current of the inverter into a q-axis current on a synchronous reference frame; and a compensation voltage determination circuit section configured to determine a second compensation voltage based upon the q-axis current and to provide the second compensation voltage to the command voltage determination circuit section.. . ... Lsi Corporation

Apparatus for detecting fault of power relay of inverter

An apparatus for detecting a fault in a power relay of an inverter is disclosed. The apparatus for detecting a fault in a power relay includes: a voltage sensor configured to measure a voltage of a dc link; a current sensor configured to measure an output current applied to an inverter stage; a storage unit configured to store resistance of an initial charge resistor, a time constant of a capacitor, and a reference voltage measured when voltage drop of the dc link does not occur; and a controller configured to determine, when the voltage drop of the dc link occurs, the presence or absence of a fault in the power relay based on a difference between the reference voltage and a voltage measured after lapse of a period corresponding to the time constant.. ... Lsi Corporation

08/23/18 / #20180242474

Heat radiation apparatus using modular cooling apparatus

Disclosed herein is a heat radiation apparatus using modular cooling apparatuses. The heat radiation apparatus includes one or more modular apparatuses, and a housing in which the modular apparatuses are inserted. ... Lsi Corporation

08/23/18 / #20180240634

Circuit breaker having circuit operating device

A circuit breaker having a circuit operating device according to one embodiment of the present invention includes a circuit unit having a main circuit, a detecting unit having a detection circuit for detecting a fault current in the main circuit, and a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit, wherein the circuit operating device includes a first fixed unit and a second fixed unit connected to the main circuit and the detection circuit, respectively, and arranged in parallel to each other, and a moving unit rotatably coupled between the first fixed unit and the second fixed unit to connect or isolate the main circuit and the detection circuit to or from each other.. . ... Lsi Corporation

08/23/18 / #20180238871

Reagent and method for measuring thrombin-antithrombin complex

Provided is a reagent for assaying a thrombin-antithrombin complex (tat) in a blood sample from a subject by latex agglutination assay. The reagent includes a polycation. ... Lsi Corporation

08/16/18 / #20180233314

Molded-case circuit breaker for dc

The present invention relates to a molded-case circuit breaker for direct current (dc), and more particularly, to a molded-case circuit breaker for dc in which a connecting conductor for connecting terminals in the dc circuit breaker is configured as an assembly unit and contained in a terminal receiving portion to improve insulation performance and assemblability and reduce occupied space. There is provided a molded-case circuit breaker for dc that contains a plurality of interruption units, the dc circuit breaker including a terminal connecting unit that connects terminals of adjacent interruption units, the terminal connecting unit being placed within a terminal receiving portion on the front or rear of an outer casing of the circuit breaker.. ... Lsi Corporation

08/16/18 / #20180231589

Apparatus for detecting current

The apparatus for detecting current includes: a charging stage having one end connected to a power source and another end connected to an inductor and configured to charge the inductor with a current; a discharging stage having one end connected to the inductor and another end connected to ground potential and configured to discharge the current charged in the inductor; and a detecting stage configured to detect a magnitude of a current flowing through the inductor based on a first output voltage output from a first output node of the charging stage when the inductor is charged by the charging stage or on a second output voltage output from a second output node of the discharging stage when the inductor is discharged by the discharging stage.. . ... Lsi Corporation

08/09/18 / #20180226912

Apparatus for controlling inverter

An apparatus for controlling an inverter is disclosed. The apparatus for controlling the inverter contained in an inverter system configured to drive a motor determines a slip frequency to be used for compensation of a frequency of a first reference voltage, not only using a first reference voltage (including an amplitude and frequency) of the first reference voltage applied to the inverter, but also using an output current of the motor or a rotor speed of the motor. ... Lsi Corporation

08/09/18 / #20180221012

Suturing device for minimally invasive surgery

A suturing device for minimally invasive surgery is disclosed. The device has at least one ferrule holder. ... Lsi Corporation

08/02/18 / #20180219496

Apparatus for controlling inverter

Disclosed herein is an apparatus for controlling an inverter. The apparatus controls a braking resistor connected in parallel with a dc link capacitor to switch to an on or off state based on at least one of the temperature and the dc link voltage of the braking resistor.. ... Lsi Corporation

08/02/18 / #20180219307

Earthing structure of earthing truck

Provided is an earthing structure of an earthing truck that includes a frame with a terminal connection part and a moving part configured to support the frame and is configured to ground a bus or a cable while the moving part moves. The structure including: an earthing plate provided on a lower surface of the moving part; and an earthing member configured to provide a contact pressure to the earthing plate as it contacts the earthing plate when the moving part moves.. ... Lsi Corporation

08/02/18 / #20180218863

Auxiliary relay of electromagnetic contactor

The present invention relates to an auxiliary relay for an electromagnetic contactor, the relay including magnet members provided on both sides of a moving member, and first and second conductive members provided on both sides of a frame, whereby an on or off state of the first and second conductive members can be controlled according to the magnet members, in response to a movement of the moving member, so as to configure various contact circuits, such as 1a 1b contact circuit, 2a contact circuit, 2b contact circuit and the like, for the electromagnetic contactor.. . ... Lsi Corporation

07/26/18 / #20180213686

Assembly structure for motor drive unit

Disclosed herein is an assembly structure for a motor drive unit. An assembly structure for a motor drive unit is disclosed. ... Lsi Corporation

07/26/18 / #20180212605

Schottky-cmos asynchronous logic cells

Integrated circuits described herein implement an x-input logic gate. The integrated circuit includes a plurality of schottky diodes that includes x schottky diodes and a plurality of source-follower transistors that includes x source-follower transistors. ... Lsi Corporation

07/26/18 / #20180211802

Gas-insulated switch gear using dual motion with multi-lever

The present disclosure may allow the movable base and the second movable contact driven in a dual-motion manner to be connected by a plurality of levers, and a force transferred to the movable base while the plurality of levers are in close contact with one another or released from the close contact may be transferred to the second movable contact, and thus a size of the levers may not be required to increase even when a stroke ratio between the movable base and the second movable contact increases, thereby having an effect capable of minimizing a size of the gas circuit breaker as well as appropriately controlling a stroke ratio between the movable base and the second movable contact.. . ... Lsi Corporation

07/19/18 / #20180200508

Device for pacemaker lead placement and methods thereof

A device for pacemaker lead placement is disclosed. The device has a device tip having a tissue bite area, ferrule holders, and needle tips. ... Lsi Corporation

07/12/18 / #20180197709

3-way disconnector and earth switch for gas insulated switchgear

The 3-way disconnector and an earth switch for a gas insulated switchgear includes: a movable portion including a disconnector movable portion and an earth switch movable portion; a disconnector mover and an earth switch mover installed in the disconnector movable portion and the earth switch movable portion so as to be linearly movable; a driving lever rotatably installed between the disconnector mover and the earth switch mover; and a first lever and a second lever rotated by receiving a rotational force of the driving lever, and configured to move the disconnector mover and the earth switch mover, respectively, wherein a driver is protruded at one side of the driving lever, and a driving pin is provided at an end of the driver, and wherein the driving pin is configured to selectively move one of the first and second levers.. . ... Lsi Corporation

07/05/18 / #20180191151

Method of detecting electrical disturbance by dc component

. . The present disclosure relates a method of detecting an electrical disturbance by a dc component in a digital protective relay, which includes acquiring a sample value by sampling an input signal at a regular cycle, detecting the electrical disturbance based on a difference between a sampled first sample value and a second sample value after the first sample value, and when the electrical disturbance is detected, detecting the dc component based on a difference between the second sample value and a third sample value after the second sample value and a difference between the third sample value and a fourth sample value after the third sample value.. . ... Lsi Corporation

07/05/18 / #20180191091

Isolation mechanism of controller for circuit breaker

The present invention relates to an isolation mechanism of a controller for a direct current circuit breaker, which has a simple structure for isolation and connection manipulation. The isolation mechanism of a controller for a circuit breaker comprises a first connector that has a plurality of output terminals electrically connected to the controller and a plurality of input terminals detached from the output terminals for connecting an input electric power source; and a second connector that has a first connection position connected to the first connector and a second connection position rotated at 180° from the first connection position and connected to the first connector, and has a conductor wiring portion electrically connecting the output terminals with the input terminals at the first connection position and electrically disconnecting the output terminals from the input terminals at the second connection position.. ... Lsi Corporation

07/05/18 / #20180190463

Magnetic trip device for circuit breaker

The magnetic trip device for the circuit breaker of the invention comprises an actuator coil part having a plunger; an output plate configured to rotate in a first direction; a micro switch configured to output an electrical signal indicating a state of the circuit breaker; a switch driving lever mechanism configured to rotate to a first position for pressing the micro switch and a second position for releasing the micro switch; a driving lever bias spring configured to elastically bias the switch driving lever mechanism to rotate to the second position; an automatic reset mechanism configured to press the plunger to the retracted position; and a driving lever latch configured to rotate to a restraining position for preventing the switch driving lever mechanism from rotating to the first position, and a release position for allowing the switch driving lever mechanism to rotate to the first position.. . ... Lsi Corporation

07/05/18 / #20180190462

Molded-case circuit breaker for dc

The present invention relates to a molded-case circuit breaker for direct current (dc), and more particularly, to a molded-case circuit breaker for dc that contains an internal connecting conductor connecting adjacent terminals to improve insulation performance and assemblability and reduce occupied space. There is provided a molded-case circuit breaker for dc that contains a plurality of interruption units within an outer casing, the dc circuit breaker including a two-unit connecting heater that connects fixed contacts of adjacent interruption units, the two-unit connecting heater being placed within the outer casing.. ... Lsi Corporation

07/05/18 / #20180190444

3 phase undervoltage trip device and molded case circuit breaker therewith

The present disclosure relates to a 3-phase undervoltage trip device capable of automatically tripping a circuit breaker based on an under-voltage of a 3-phase line voltage, including lines to which a 3-phase power is applied. The undervoltage trip device is connected to lines to which a 3-phase power is applied and configured to operate to automatically trip a circuit breaker when an open phase condition occurs on any one of three phases of the power. ... Lsi Corporation

06/28/18 / #20180183322

Method for controlling inverter

Disclosed herein is a method for controlling an inverter. The method includes calculating a maximum current from an output current of each phase of the inverter; determining a variable level upper limit by performing a dq conversion for the output current of each phase of the inverter and adding a change allowable value to the dq converted output current; determining a difference between the maximum current for each phase and the variable level upper limit as an output frequency attenuation variation, when the output current of the inverter arrives at the variable level upper limit; and determining an output frequency based on the output frequency attenuation variation.. ... Lsi Corporation

06/28/18 / #20180182752

Super cmos devices on a microelectronics system

A low cost ic solution is disclosed to provide super cmos microelectronics macros. Hereinafter, the super cmos or schottky cmos all refer to scmos. ... Lsi Corporation

06/28/18 / #20180182586

Position indicator of air circuit breaker

In the present disclosure, a link part is connected to a worm wheel rotated according to rotation of a worm gear and a movement member is connected to the link part, whereby a rotational motion of the worm wheel is changed to a translational motion in a horizontal direction through the link part and the movement member. Thus, although an indicator is positioned on an upper side of a handle insertion part, a position according to movement of a circuit breaker body may be easily indicated, while using a simple structure.. ... Lsi Corporation

06/28/18 / #20180182579

Vacuum interrupter

The present disclosure relates to a vacuum interrupter that is installed within a vacuum circuit breaker to break a circuit. The vacuum interrupter includes an insulated container, a seal cup, a fixing electrode, a diaphragm, and a movable electrode. ... Lsi Corporation

06/28/18 / #20180180677

Diagnostic apparatus for switchgear

The invention relates to reliable diagnostic apparatus for a switchgear which may minimize the probability of failure in diagnosing a deterioration of a switchgear. The diagnostic apparatus for a switchgear comprises a vhf sensor detecting an electromagnetic wave signal of a vhf band, which is generated by the switchgear; a uhf sensor detecting an electromagnetic wave signal of a uhf band, which is generated by the switchgear; a data acquisition unit that acquires the electromagnetic wave signals detected by the vhf sensor and the uhf sensor, and converts the electromagnetic wave signals into data indicating magnitudes of the electromagnetic wave signals; and a diagnosis unit connected with the data acquisition unit and that executes analysis including whether the data provided by the data acquisition unit is a pattern of a partial discharge signal and stores the analyzed result.. ... Lsi Corporation

06/28/18 / #20180177499

Surgical rib retractor

A surgical rib retractor has a housing having a first shoulder. The surgical rib retractor also has a body pivotably coupled to the housing and having a second shoulder. ... Lsi Corporation

06/21/18 / #20180176091

Method for setting link speed of dual port switch

The present disclosure relates to a method for setting a link speed of a dual port switch, and more particularly, to a method for setting a link speed of a dual port switch, which controls link speeds of ports, which are included in the dual port switch using a cut-through packet switching scheme, to be equal to each other.. . ... Lsi Corporation

06/21/18 / #20180174491

Apparatus for minimally invasive percuscopic surgical simulation

An apparatus for surgical simulation has a main storage compartment having a pivoting lid, a lid liner defining a display opening, and a light source. The apparatus also has an external support assembly removably coupled to the storage compartment in a stowed configuration and further configured to provide a support structure for the storage compartment in an unstowed configuration. ... Lsi Corporation

06/21/18 / #20180173504

Apparatus for providing program

An apparatus for providing a power management program includes: at least one original module providing unit configured to provide an original source code associated with power management function; a modified module providing unit configured to provide a modified source code, wherein the modified source code is modified differently from an original source code provided from the at least one original module providing unit; and a source code combining unit configured to generate a program by combining the original source code by the at least one original module providing unit with the modified source code by the modified module providing unit.. . ... Lsi Corporation

06/21/18 / #20180172774

Apparatus for updating charghing/discharging efficiency factor of energy storage system

Disclosed herein is an apparatus for updating charging/discharging efficiency factors of an energy storage system. The apparatus includes: a correlation coefficient calculate unit configured to calculate correlation coefficients between n charging/discharging reference values input to the energy storage system during a predetermined update cycle and (n+k) charging/discharging power values measured in the energy storage system after the predetermined update cycle has started, where n and k are natural numbers; a selection unit configured to select n charging/discharging power values corresponding to the n charging/discharging reference values among the (n+k) charging/discharging power values based on correlation coefficients; and an update unit configured to update the charging/discharging efficiency factors set for each power range with n charging/discharging efficiency factors calculated by using the n charging/discharging reference values and the selected n charging/discharging power values.. ... Lsi Corporation

06/14/18 / #20180163716

Solar pump system and method for controlling solar pump system

A solar pump system comprises a solar module configured to generate dc power from sunlight, a water pump, an inverter configured to convert the dc power into ac power in order to drive the water pump, and a controller configured to generate a control signal for controlling an output frequency of the ac power. The controller compares the dc link voltage with a first reference level, adjusts the output frequency of the ac power, if the dc link voltage is greater than the first reference level, and determines the output frequency to prevent the dc link voltage from being equal to or less than a second reference level, if the dc link voltage is less than the first reference level.. ... Lsi Corporation

06/07/18 / #20180159328

Reactive power compensation apparatus and control method thereof

A reactive power compensation apparatus includes one or more phase clusters each comprising a plurality of cells, and a controller controlling the one or more phase clusters. When at least one cell in a specific phase cluster among the one or more phase clusters is faulty, the controller controls a voltage of each cell in each of the remaining phase clusters except for the specific phase cluster to be controlled, using a modulation index.. ... Lsi Corporation

06/07/18 / #20180158638

Circuit breaker

The present disclosure relates to a circuit breaker. The circuit breaker includes a case having an accommodation space inside, an upper busbar and a lower busbar partially accommodated in an upper portion and a lower portion of the case, respectively, a fixed contact provided in the case and connected to the upper busbar, a movable contact hinge-coupled to the lower busbar and fixed to the case via the first elastic member capable of pivoting in one direction, wherein the movable contact performs a trip operation by being released from the fixed contact, a power transfer part connected to one side of the movable contact to cross each other, and transferring a rotation force to the movable contact, and a trip part arranged under a rear end of the power transfer part and pressing the power transfer part upward when current over a certain amount is applied to the inside.. ... Lsi Corporation

06/07/18 / #20180158637

Charging device of air circuit breaker

A first support member and a second support member are provided in a rotation support device and a worm gear is rotated in a state that the second support member is inserted in the first support member, whereby the worm gear is prevented from being shaken through the first support member and the second support member and heat transmission to a housing due to rotation of the worm gear to damage the housing is prevented.. . ... Lsi Corporation

06/07/18 / #20180158629

Air circuit breaker

The present invention relates to an air circuit breaker, in which a recess is formed on one side or each of both sides of each contact plate provided in an insulating cage so as to reduce a contact area between a movable contactor and the contact plate when the movable contactor and the contact plate are brought into contact with each other, thereby preventing a contact portion between the movable contactor and the contact plate from being melted due to heat generation.. . ... Lsi Corporation

06/07/18 / #20180158628

Terminal assembly for vacuum contactor switch

The present disclosure relates a terminal assembly for a vacuum contactor switch which is connected to a terminal of a cradle with electricity applicability to protect a power system by breaking circuits in the event of a dangerous situation such as a short circuit or an overcurrent. The terminal assembly includes a body portion, a connecting member, a contactor and a bush. ... Lsi Corporation

05/31/18 / #20180150304

Apparatus for compiling script

Disclosed herein is an apparatus for compiling scripts that compiles a script depending on whether an index of power data has been changed. The apparatus for compiling scripts includes: a database configured to store power data acquired from a power system and an index of the power data; a script generating unit configured to generate a script based on the power data stored in the database; a determining unit configured to determine whether the index of the power data stored in the database has been changed; and a compiling unit configured to compile the script generated in the script generating unit by referring to a predetermined instruction based on the determination result.. ... Lsi Corporation

05/31/18 / #20180150198

Method for displaying monitoring screen

Disclosed herein is a method for displaying a monitoring screen by which a file of a monitoring screen is moved to a position by drag-and-drop to display the monitoring screen at the position. The method for displaying a monitoring screen for a control program includes: providing a list of files of monitoring screens via a display unit; receiving a file of a monitoring screen to be displayed among the files of the list and a display location of the monitoring screen from a user; and executing the file of the monitoring screen input from the user to display the monitoring screen at the display location.. ... Lsi Corporation

05/17/18 / #20180137068

Method for controlling interrupt in inverter

Disclosed herein is a method for controlling interrupts in an inverter. If a control unit checks that an interrupt is issued in main software while an inverter is operating, the control unit analyzes the type of the interrupt. ... Lsi Corporation

05/17/18 / #20180136827

Apparatus for editing objects

Disclosed herein is an apparatus for editing objects that applies some of object attributes of one or more objects to a target object as selected attributes. The apparatus for editing object attributes of an hmi object in a power system includes: a display unit configured to display one or more objects; an input unit configured to receive a selected object among one or more objects and receive from a user a selected attribute to be copied among object attributes of the selected object and a target object to which the selected attribute is to be applied; and a control unit configured to control the display unit so that the selected attribute is applied to the target object and the target object with the selected attribute applied thereto is displayed.. ... Lsi Corporation

05/10/18 / #20180131165

Interlocking mechanism for circuit breaker

Disclosed herein is an interlocking mechanism interlocked with a control power of a circuit breaker. The mechanism includes a control power plug movably installed in a switchgear box, a control power connector detachably coupled to the control power plug, a link connected to the control power connector, a plug interlock assembly connected to and interlocked with the link, and a position switch assembly positioned to face and interlocked with the plug interlock assembly.. ... Lsi Corporation

05/03/18 / #20180123488

Sensorless control system for permanent magnet synchronous machine

. . Disclosed is a sensorless control system for a permanent magnet synchronous machine. The sensorless control system includes a counter electromotive force estimation unit configured to estimate a counter electromotive force using a phase voltage reference applied to an inverter and a phase current applied from the inverter to the permanent magnet synchronous machine, and a speed estimation unit configured to estimate an angular velocity and an electrical angle of a rotor of the permanent magnet synchronous machine, and the counter electromotive force estimation unit according to one embodiment of the present disclosure may maintain robust performance at a low speed by modifying some portion of a conventional luenberger observer.. ... Lsi Corporation

05/03/18 / #20180123329

Connecting device for control terminals in withdrawable type circuit breaker

The present invention relates to a connecting device for control terminals in a withdrawable type circuit breaker, and more particularly, a connecting device for control terminals in a withdrawable type circuit breaker, capable of automatically connecting or separating control power source terminals for controlling the circuit breaker upon pulling out or inserting a breaker main body.. . ... Lsi Corporation

05/03/18 / #20180122594

Integrated interlock device of air circuit breaker and method of using the same

The present invention relates to an integrated interlock device of an air circuit breaker, and more particularly, to an integrated interlock device of an air circuit breaker capable of using different types of interlock devices in an integrated manner in case of using two or more air circuit breakers connected to each other, and a method of using the same.. . ... Lsi Corporation

05/03/18 / #20180122593

Door locking device of distribution board of air circuit breaker

A door locking device of a distribution board of an air circuit breaker, including a transmission shaft transmitting power for drawing in and out a circuit breaker body, a shaft link rotatably coupled to one end of the transmission shaft, a link rod having one end rotatably coupled to a portion of the shaft link, a cam plate rotatably coupled to the other end of the link rod and pushing or pulling the circuit breaker boy, and a constraint plate installed in a distribution board door, further includes a pressing part protruding from a portion of the link road, and a hook plate rotatably coupled to a side of the cradle and having one end in contact with the pressing part to receive rotational force and the other end restricting or releasing the constraint plate, wherein the hook plate releases the constraint plate in a disconnection position.. . ... Lsi Corporation

04/19/18 / #20180109261

Apparatus for recognizing pulse signal

The present disclosure relates to an apparatus for recognizing a pulse signal, and more particularly, to an apparatus for recognizing a pulse signal, which maintains the pulse signal being input for a scan time until an end time point of the scan time, and stores the pulse signal in a pulse signal storage area as pulse input data. The apparatus for recognizing a pulse signal according to one embodiment of the present disclosure includes a signal maintaining unit configured to maintain and output the pulse signal, which is input for the scan time, as a pulse maintaining signal; a signal transmission unit configured to receive the pulse maintaining signal from the signal maintaining unit and transmit the input pulse maintaining signal; and a control unit configured to output the transmission control signal to the signal transmission unit to receive and store the received pulse maintaining signal.. ... Lsi Corporation

04/19/18 / #20180106793

Reagent and method for assaying thrombin-antithrombin complex

A thrombin-antithrombin complex (tat) assay reagent is described in which the thrombin-antithrombin complex (tat) assay reagent includes an antibody bound to a latex particle which binds to the antithrombin part of the complex, and an antibody bound to a latex particle which binds to the thrombin (t) part of the complex. The antibody binding to the antithrombin part of the complex has a reactivity to tat that is 100 or more times higher than the reactivity to free antithrombin and the assay reagent is preferably designed to achieve a ph of 5.8 to 6.6 during the assay.. ... Lsi Corporation

04/12/18 / #20180098764

Suturing device for minimally invasive surgery and needles and methods thereof

A suturing device for minimally invasive surgery is disclosed. The suturing device has a head defining one or more ferrule holders and a tissue bite area. ... Lsi Corporation

04/05/18 / #20180095907

Frame reception monitoring method in serial communications

The present disclosure relates to a frame reception monitoring method, including: when a plurality of sub-frames constituting a frame is each entered into a reception buffer at certain time intervals, allowing the respective sub-frames to be stored on a temporal buffer; allowing the plurality of sub-frames stored on the temporal buffer to be entered into a service buffer within a predetermined inter-sub-frames time-out time; using the plurality of sub-frames entered into the service buffer to generate a combined frame; and using the combined frame to execute a control.. . ... Lsi Corporation

03/29/18 / #20180090917

Interlock device for preventing close during insertion or withdraw on circuit breaker in switch board

The present disclosure relates an interlock device for preventing insertion or withdrawal of a circuit breaker into or from a switch board having an on button and an off button and including a switch board body provided with a housing and a rail having an interruption hole formed on one side surface thereof, a carriage movable back and forth along the rail of the switch board body, and the circuit breaker including a main body installed on the carriage and inserted into or withdrawn from the switch board body, the interlock device comprising an interlock rod protruding toward one side to set or release a pressed state, wherein the interlock rod is set in or released from the pressed state and inserted into or disengaged from the interruption hole when the main body is put in or tripped.. . ... Lsi Corporation

03/22/18 / #20180083447

Power compensation apparatus and method of controlling the same

A power compensation apparatus compensates for power of a power system to be allowed to transmit from at least one or more power sources to a load. The power compensation apparatus includes a first system connected to the power system to compensate for active power and reactive power of the power system, a second system connected to the first system to store power necessary for compensating for active power and reactive power, and a third system connected to the second system to generate the power to be stored in the second system.. ... Lsi Corporation

03/15/18 / #20180074664

Apparatus for editing graphic objects

Disclosed herein is an apparatus for editing graphic objects. More specifically, disclosed herein is an apparatus for editing graphic objects which searches for objects by using a variety of attributes that each of the objects has and displays the found objects and a list of the found objects. ... Lsi Corporation

03/15/18 / #20180070938

Surgical port for stay sutures

A surgical port is disclosed. The surgical port has a multi-level flange defining one or more suture channels therethrough. ... Lsi Corporation

03/01/18 / #20180062502

Photovoltaic inverter

Disclosed herein is a photovoltaic inverter that prevents degradation in the efficiency of photovoltaic generation by applying a reverse voltage of a dc voltage stored in a dc link capacitor to a solar cell array. The photovoltaic inverter includes: a dc link capacitor configured to store a dc voltage output from the solar cell array; a power conversion stage configured to generate an ac power by using the dc voltage stored in the dc link capacitor to transmit the generated ac power to a power system; and a controller configured to apply the dc voltage stored in the dc link capacitor to the power conversion stage or apply a reverse voltage of the dc voltage stored in the dc link capacitor to the solar cell array depending on whether a driving value of the solar cell array satisfies a predetermined driving condition.. ... Lsi Corporation

03/01/18 / #20180061602

Trip mechanism for direct current molded case circuit breaker

Provided is a trip mechanism for dc molded case circuit breaker, in which the insulating distance between the poles increases without any increase in whole product size, thereby reliably providing a trigger output against an over current and a fault current instantaneous breaking required. The trip mechanism includes a trip mechanism part including an instantaneous trip mechanism, the instantaneous trip mechanism including a movable member to operate according to a fault current instantaneous breaking required, and a thermal trip mechanism including a bimetal to operate according to an over current, the trip mechanism part being provided for one of two adjacent poles; a crossbar that is rotatable by contacting and pressing of the movable member of the instantaneous trip mechanism or the bimetal of the thermal trip mechanism; and a shooter that is provided to be rotatable by contacting of the crossbar rotating.. ... Lsi Corporation

03/01/18 / #20180061601

Multi-pole molded case circuit breaker with insulation barrier for rotary pin

Provided is a multi-pole molded case circuit breaker (mccb) with an insulation barrier for a rotary pin, in which an insulation barrier is provided in a rotary pin for inter-phase power transmission to prevent dielectric breakdown. The multi-pole mccb includes a shaft assembly having a movable contactor and having a plurality of rotary pin holes formed in a penetrating manner, a base assembly to which the shaft assembly is rotatably accommodated to be coupled, a switching mechanism coupled to an upper portion of the base assembly and rotating the shaft assembly, a plurality of rotary pins coupled to the plurality of rotary pin holes in a penetrating manner, and an insulation barrier formed of an insulating material and covering the plurality of rotary pins.. ... Lsi Corporation

02/01/18 / #20180031416

Sensor support for use with lighting refractor

A sensor support for use with a lighting refractor includes a housing defining an interior cavity configured to receive and support a sensor for sensing at least one of motion or light. The sensor support further includes a locking structure operatively associated with the housing and configured to selectively attach the housing to a peripheral portion of a lighting refractor, and an aperture in the housing and arranged to expose the sensor to an environment around the lighting refractor. ... Lsi Corporation

01/25/18 / #20180025876

Mechanism coupling structure of molded case circuit breaker

A mechanism coupling structure of a molded-case circuit breaker according to an embodiment of the present disclosure including a shaft to one side of which a movable contactor is coupled, and on a part of which a rotating pinhole is formed in a penetrating manner; a base assembly into which the shaft is rotatably accommodated and coupled, a switch mechanism coupled to an upper portion of the base assembly and exposed with a first lower link and a second lower link at a lower side thereof, and a rotating pin coupled in a penetrating manner to the first lower link, second lower link and rotating pinhole may be provided therein, wherein the rotating pin has a protruding portion for release prevention at one end thereof.. . ... Lsi Corporation

01/04/18 / #20180003747

Device of monitoring reactive power compensation system, and method thereof

The present disclosure relates to a device of monitoring a reactive power compensation system to compensate reactive power, the device including a measurement unit configured to acquire voltage data, current data, and a phase angle from each constituent device, a power performance index calculation unit configured to calculate power performance index data including at least one of power factor data, flicker data, and harmonics data based on the acquired voltage data, current data, and phase angle, and a controller configured to analyze and evaluate the calculated power performance index data based on a preset situation.. . ... Lsi Corporation

12/21/17 / #20170360432

Loader for surgical suturing

A loader for a surgical suturing instrument is disclosed. The loader has a head having a protrusion configured to be releasably held by a tissue bite area of a surgical suturing instrument. ... Lsi Corporation

12/21/17 / #20170360430

Minimally invasive surgical suturing device with improved visualization

A suturing device is disclosed. The suturing device has a guide tip. ... Lsi Corporation

12/14/17 / #20170358983

Reactive power compensation system and method thereof

The present disclosure relates a reactive power compensation system including a detection unit for acquiring loading state information of a plurality of loads, a reactive power compensation unit for compensating reactive power, and a controller for controlling the reactive power compensation unit to perform flicker compensation or power factor compensation based on a control signal according to the loading state information.. . ... Lsi Corporation

12/14/17 / #20170356945

Diagnostic system for electric power equipment

An electric power equipment comprises: a display module; a sensor module for outputting measurement data including a first noise signal measured from inside of the electric power equipment, a second noise signal measured from outside of the electric power equipment, a temperature signal of the electric power equipment, and a humidity signal of the electric power equipment; and a control module for diagnosing whether a partial discharge has occurred based on the measurement data, wherein the control module includes: a determination unit for determining whether a signal magnitude of the first noise signal is within a preset first reference range; an analysis unit for diagnosing an occurrence of the partial discharge, and for analyzing the signals according to the analysis algorithm; and a control unit for controlling a result information of the analyzing, and a maintenance and repair information, to be displayed.. . ... Lsi Corporation

12/07/17 / #20170351792

Simulation apparatus and operating method thereof

A simulation apparatus includes a database configured to a set line parameter for a system line configuring a power system; a parameter error detector configured to compare surveyed data measured in the system line and the line parameter to detect error of the line parameter; a system analysis simulator configured to perform a system analysis simulation based on the surveyed data and the line parameter; and a monitor configured to display an error detection result of the line parameter from the parameter error detector and a system analysis simulation result performed in the system analysis simulator.. . ... Lsi Corporation

12/07/17 / #20170350924

Device for measuring loss in reactive power compensation system

The present disclosure relates to a device for measuring a loss in a reactive power compensation system to compensate reactive power, which includes at least one load connected to a receiving end, a reactive power compensation unit connected to the receiving end and comprising at least one device, at least one detection unit provided at the at least one device and detecting a voltage, a phase of a voltage, current, and a phase of current, a measurement unit measuring voltage data, current data, and a phase angle based on the voltage, the phase of a voltage, the current, and the phase of current detected by the at least one detection unit, and a loss calculation unit calculating loss power of the at least one device based on the measured voltage data, current data and phase angle.. . ... Lsi Corporation

11/30/17 / #20170344046

Reactive power compensation system and method thereof

. . The present disclosure relates to a reactive power compensation system including a reactive power compensation unit for measuring compensate reactive power, an impedance measurement unit for measuring an impedance value of each of a plurality of loads, and a learning control unit for controlling the reactive power compensation unit based on the measured impedance value.. . ... Lsi Corporation

11/30/17 / #20170343977

Computing apparatus and operating method thereof

Disclosed is a computing apparatus, which comprises a plug-in profile configured to store a plurality of target source codes that are modularized to perform functions applied to a target device that operates based on a platform; a profile extractor configured to extract at least one target source code out of the plurality of target source codes, based on operating information of the target device; and a platform applying unit configured to combine the extracted at least one target source code on the platform.. . ... Lsi Corporation

11/23/17 / #20170338070

Circuit breaker

A circuit breaker is provided, which includes a cradle having a plurality of cradle terminals, and a breaker main body connected to the cradle and having a plurality of breaker terminals electrically connected to the plurality of cradle terminals, in which each of the plurality of breaker terminals includes a terminal body extended from the breaker main body and protruded toward each of the plurality of cradle terminals, contacts coupled to upper and lower portions of terminal body and disposed in parallel to face each other, and a contact protrusion protruded to a round shape in a direction which the contacts face each other such that, upon connection of the plurality of cradle terminals, the contact protrusion contacts and presses both sides of the connected cradle terminals.. . ... Lsi Corporation

11/16/17 / #20170331894

Slave device control method

The present disclosure relates a slave device control method including generating the control message including a plurality of input data and transmitting the control message to a specific slave device among a plurality of slave devices, by a master device, extracting input data from a received data start position of the control message, by the specific slave device, and padding output data to transmitted data storage position of the control message and transmitting the output data to a next slave device, by the specific slave device.. . ... Lsi Corporation

11/16/17 / #20170331726

Slave device control method

The present disclosure relates to a slave device control method, for transmitting a control message along with group start data and group end data to a slave device by a master device so as to set a start point and an end point of the slave device in a sub group, and for allowing the master device to check a network topology using a topology collection message so as to effectively generate a sub group.. . ... Lsi Corporation

11/16/17 / #20170331311

Electric energy storage apparatus

An electric energy storage apparatus according to an embodiment may include a grid configured to supply first electric energy; a generator configured to supply second electric energy; and an electric energy storage apparatus configured to receive and store at least one of the first electric energy and the second electric energy, and supply the stored electric energy or the received electric energy to an electric load, wherein the electric energy storage apparatus senses a magnitude of electric energy discharged to the grid in an operation mode of supplying the stored electric energy to the electric load, and changes the operation mode when the sensed magnitude of electric energy exceeds a preset first threshold value.. . ... Lsi Corporation

11/16/17 / #20170329616

Scada system

Disclosed herein is a scada system that can adjust the size of a window added to the whole screen depending on the context of the window. The scada system includes a server that acquires data from remote apparatuses for system control and monitoring, and a display device that displays the acquired data via a dashboard. ... Lsi Corporation

11/16/17 / #20170329513

Outdoor ordering system with interactive menu elements

An ordering system includes a video display unit operable for displaying contents of a plurality of selectable menu screens and an input pad operable for capturing at least one gesture of a user in at least one direction over the input pad. The gestures are used to select from a plurality of selectable menu screens for display by the video display unit.. ... Lsi Corporation

11/09/17 / #20170324266

Battery control circuit for power generation system using renewable energy

The battery control circuit includes: a battery; a dc power supply unit; a first dc-dc converter providing a current path in a first direction of supplying the dc energy from the dc power supply unit to the battery, and a current path in a second direction of discharging the dc energy in the battery to a ground; a first capacitor fully discharging the battery in a manner that the sum of a voltage across the first capacitor and a voltage across the flow battery to be higher than an output voltage of the first dc-dc converter; a second dc-dc converter supplying the dc energy from the dc power supply unit to the first capacitor; and a controller controlling the first dc-dc converter to form the current flow path in the second direction when a number of times of charging and discharging the flow battery reaches a preset number.. . ... Lsi Corporation

11/09/17 / #20170323753

Adjustable thermal trip mechanism for circuit breaker

An adjustable thermal trip mechanism for a circuit breaker is provided which can improve the reliability of over-current tripping by minimizing an influence upon thermal tripping even if an assembly error such as skewing or twisting occurs during assembly of bimetallic strips. The adjustable thermal trip mechanism for the circuit breaker comprises: a crossbar that is rotatable and has at least one power receiving portion for receiving rotary power; a bimetallic strip that can bend towards the power receiving portion when an over current occurs on the circuit; and an adjustment screw installed to face the power receiving portion, wherein the power receiving portion comprises a plurality of planar portions which are at different distances from the adjustment screw.. ... Lsi Corporation

11/09/17 / #20170323751

Current limiting device of circuit breaker

In present disclosure, a movable bar guide portion is formed to protrude toward a movable bar in a shaft having a movable bar, and when a fault current is applied and the movable bar is rotated due to electromagnetic repulsion force, the movable bar and the movable bar guide portion contact each other, and thus, when the movable bar is rotated through the movable guide portion, movement of a rotation center of the movable bar is minimized.. . ... Lsi Corporation

11/09/17 / #20170322975

Apparatus for managing local monitoring data

The present disclosure relates to an apparatus for managing local monitoring data. The apparatus for managing local monitoring data includes an identification unit configured to identify monitoring data as one of structured monitoring data and unstructured monitoring data using flag information of the monitoring data, a storage unit configured to store structured monitoring data in a relational database or unstructured monitoring data in an unstructured database on the basis of an identification result of the monitoring data, and a conversion unit configured to search structured monitoring data corresponding to a data conversion condition among the structured monitoring data to convert the searched structured monitoring data into unstructured monitoring data.. ... Lsi Corporation

11/09/17 / #20170322242

Apparatus for predicting power loss of transformer

The present disclosure relates to an apparatus for predicting power loss of a transformer, and more particularly, to an apparatus for predicting power loss of a transformer, which is capable of predicting power loss by comparing temperature data of the transformer with reference data thereof. An apparatus for predicting power loss of a transformer according to one embodiment of the present disclosure includes a measurement unit configured to measure a temperature of a transformer, a calculation unit configured to calculate temperature data of the transformer on the basis of the measured temperature, a storage unit configured to set and store the reference data of the transformer, and a determination unit configured to determine power loss of the transformer by comparing the temperature data with the reference data, wherein the reference data includes power loss according to the temperature data.. ... Lsi Corporation

10/26/17 / #20170310793

Hardware protocol stack with user-defined protocol applied thereto and method for applying user-defined protocol to hardware protocol stack

The present disclosure relates to a hardware protocol stack, and more particularly, to a hardware protocol stack to which a user-defined protocol is applicable. The present disclosure compares header information stored in a register unit with header information of a received frame, and determines a processing of the received frame on the basis of a comparison result. ... Lsi Corporation

10/26/17 / #20170310250

Disconnection detection apparatus of sinusoidal wave signal

Disclosed is a disconnection detection apparatus of a sinusoidal wave signal. The disconnection detection apparatus of the present disclosure converts a first sinusoidal wave and a second sinusoidal wave into absolute values, respectively, and determines that disconnection occurs when a value of the first sinusoidal wave is less than a first comparison value that is greater than a minimum value and a value of the second sinusoidal wave is less than a second comparison value that is less than a maximum value.. ... Lsi Corporation

10/26/17 / #20170310208

Apparatus for controlling operation of power converstion device

The present invention relates to an apparatus for controlling the operation of a power conversion device including a rectifier part, an initial charging part, a dc-link part and an inverter part. The apparatus includes: a control part configured to drive a relay connected in parallel to an initial charging resistor of the initial charging part if a dc-link voltage of the dc-link part exceeds a first reference voltage during initial charging for the dc-link part; a relay monitoring part configured to monitor whether or not the relay is normally being operated when the relay is driven; and an inverter driving part configured to stop of the driving of the inverter part if it is determined that the relay is not normally being operated by referring to a result of the monitoring of the relay monitoring part.. ... Lsi Corporation

10/26/17 / #20170309414

Draw in and out type circuit breaker

Disclosed is a draw in and out type circuit breaker. In the draw in and out type circuit breaker, at least one guide slot is provided in a slide plate, and thus, a clip moves to a test position, a connected position, or a disconnected position with being fitted into the at least one guide slot, thereby enabling a position of the clip to be easily controlled.. ... Lsi Corporation

10/26/17 / #20170308426

Apparatus for controlling inverter

An apparatus for controlling an inverter includes a volatile, first storage part; a nonvolatile, second storage part; and a control part configured to store data related to the status of the inverter in the first storage part when the inverter is driven and configured to select some of the data stored in the first storage part depending on the type of failure event when a failure event occurs and store the selected data in the second storage part.. . ... Lsi Corporation

10/26/17 / #20170307450

Apparatus for correcting of temperature measurement signal

The present invention relates to an apparatus for correcting a temperature sensing signal of an igbt temperature sensing device which outputs only a temperature sensing signal having a voltage value equal to or higher than a preset voltage value, by using an output limiting diode. The apparatus includes: a calculating part configured to calculate a conduction current value of the output limiting diode by using the resistance of an ntc thermistor included in the igbt temperature sensing device; a determining part configured to determine a drop voltage value of a voltage drop occurring in the output limiting diode based on the conduction current value; and a correcting part configured to correct the temperature sensing signal by increasing the voltage of the temperature sensing signal output from the igbt temperature sensing device by the drop voltage value.. ... Lsi Corporation

10/26/17 / #20170305291

Apparatus for controlling electric vehicle charging system

Disclosed herein is an apparatus for controlling an electric vehicle charging system. The apparatus charges each of a plurality of batteries up to a first preset voltage lower than a full charge voltage by voltage control, charges the plurality of batteries up to a predetermined percentage of a second preset voltage that is the full charge voltage by current control, and charges the plurality of batteries up to the second preset voltage by the voltage control.. ... Lsi Corporation

10/26/17 / #20170305284

Charge system for electric vehicle and method for charging electric vehicle

Disclosed herein is a charging system for an electric vehicle. The charge system includes: a power conversion system configured to convert ac power into dc power or convert dc power into ac power; a main switch unit having an end connected to the power conversion system; and a plurality of sub-switches, each of the sub-switches having an end connected to the respective batteries and the other end connected to the other end of the main switch unit in parallel. ... Lsi Corporation

10/12/17 / #20170295262

Inverter system

Disclosed is an inverter system. A control part of the inverter system includes a control unit configured to set a communication protocol in association with a control unit of the power part, and transmit control data and receive power data according to the set communication protocol, and a power part of the inverter system includes a control unit configured to set a communication protocol in association with the control unit of the control part, and transmit power data and receive control data according to the set communication protocol.. ... Lsi Corporation

10/12/17 / #20170295233

Apparatus for relaying data transmission in scada system

Disclosed herein is an apparatus for relaying data transmission in a scada server. The apparatus includes: a communications unit configured to receive a data transmission request from the host server and transmit a target data request by the host server to the host server; a update unit configured to update event data corresponding to the target data among event data in the scada server and transmit the target data requested by the host server to the communications unit; and a synchronization management unit configured to synchronize the event data updated by the update unit with a backup scada server. ... Lsi Corporation

10/12/17 / #20170294855

Inverter

The present disclosure relates to an inverter, and more specifically to an inverter that can be restarted stably by determining whether to restart it when power is supplied after a failure has occurred in the inverter due to a fault in the main supply.. . ... Lsi Corporation

10/12/17 / #20170294851

Method for controlling inverter system

The present invention relates to a method for controlling an inverter system including a plurality of inverters connected in parallel. The method includes: comparing a target power amount with an amount of power to be supplied by the predetermined number of inverters; determining the number of inverters to be driven, based on a result of the comparison; and supplying the final output power to an ac power system by driving inverters by the determined number of inverters.. ... Lsi Corporation

10/12/17 / #20170294751

Downloader gender case

A downloader gender case is disclosed. The download gender case according to the present invention comprises: a fixed cover for fixing a substrate, configured to surround a part of the substrate and the periphery of a header and formed with a first through hole through which the header is opened; a slide cover disposed on the outer side of the fixed cover, configured to surround the other part of the substrate and the periphery of a pin header and formed with a second through hole through which the pin header is opened; and an opening and closing portion coupled with the slide cover to open and close the second through hole, the slide cover being capable of sliding in a direction toward the header or the pin header.. ... Lsi Corporation

10/05/17 / #20170289248

Energy management server, energy management system and the method for operating the same

An energy management server includes a controller configured to process first data collected from a power system into a second data; a memory database unit configured to classify the second data into dynamic data and static data according to an established data classification to store the dynamic and static data; and a duplex controller configured to selectively receive the first data and the dynamic data or the static data to synchronize with another energy management server.. . ... Lsi Corporation

10/05/17 / #20170289212

Human machine interface system and the method for operating the same

A human machine interface (hmi) system includes a human machine interface (hmi) content server configured to control content information for a content provided to a display equipment; and a hmi configured to receive device information and user experience information transmitted from the display equipment and output an analysis result produced by analyzing the device information and the user experience information to the hmi content server to control the content information.. . ... Lsi Corporation

10/05/17 / #20170288964

Telecommunications system for programmable logic controller

A telecommunications system for a programmable logic controller (plc) includes: a master module comprising a transmitter and a receiver; one or more slave modules configured to receive signals transmitted from the transmitter and transmit signals to the receiver in response to the transmitted signals; a signal conversion module configured to convert the signals transmitted between the master module and the slave modules into digital signals; a control module configured to control the signal conversion module and to determine whether there is an error in the signals transmitted between the master module and the slave modules based on the digital signals; a display module configured to display a result of the determination by the control module.. . ... Lsi Corporation

10/05/17 / #20170288591

Apparatus for correcting current reference

The present disclosure relates to an apparatus for correcting a current reference, and more particularly, to an apparatus for correcting a current reference including a calculation unit configured to set a first torque reference section and a second torque reference section using candidate values of a correction factor that corrects the current reference so as to enable the current reference to satisfy rated operating conditions of the induction machine, and calculate the correction factor according to a section, in which the torque reference is included, of the first torque reference section and the second torque reference section, and a correction unit configured to correct the current reference using the correction factor.. . ... Lsi Corporation

10/05/17 / #20170288573

Apparatus for balancing voltages of dc link capacitor in inverter

An apparatus for balancing a voltage of a direct current (dc) link capacitor of an inverter is provided. The apparatus of the present disclosure includes a switching unit connected to a node (a reference point) between the first and second resistors, which are connected in series to each other, and a node (a neutral point) between the first and second capacitors, which are connected in series to each other, and configured to short and open between the reference point and the neutral point, and a control unit configured to control the switching unit to short between the reference point and the neutral point when a voltage of the reference point (a reference point voltage) and a voltage of the neutral point (a neutral point voltage) are different from each other.. ... Lsi Corporation

10/05/17 / #20170288572

Oil type phase shift transformer for medium voltage inverter system

Disclosed is a phase shift transformer for supplying voltage to a plurality of unit power cells in a medium voltage inverter system. The phase shift transformer according to the present invention comprises a first bushing arranged by the side of a tank and connected to a first winding to apply high voltage and a plurality of second bushings arranged on the top of a cover and connected to each of a plurality of second windings to output low voltage, wherein three outputs of the plurality of second bushings can be applied to unit power cells.. ... Lsi Corporation

10/05/17 / #20170288405

Hybrid power storage apparatus

A hybrid power storage apparatus according to one embodiment of the present disclosure includes a battery configured to store first electric power supplied to an electric power system and second electric power supplied therefrom; an electric power conversion unit configured to convert the first electric power into an alternating current (ac) power and the second electric power into a direct current (dc) power; and a control unit configured to receive electric power information of the electric power system from a server, and control the battery and the electric power conversion unit to supply electric power to the electric power system or to receive electric power supplied therefrom based on a magnitude or a frequency of electric power included in the received electric power information.. . ... Lsi Corporation

10/05/17 / #20170288395

Current circuit breaker

Disclosed herein is a current circuit breaker that protects a semiconductor module by using fast switches to block a current. The current circuit breaker includes: a first switch configured to be opened upon a fault current being generated; a second switch connected to the first switch and configured to be opened after a predetermined period of time elapses since the first switch has been opened; a semiconductor module having an end connected to the first switch and another end connected to the second switch; a capacitor having a terminal connected to the second switch and the other terminal connected to the semiconductor module; and a surge arrester connected across the capacitor and configured to change its resistance according to a voltage across the capacitor to block the fault current.. ... Lsi Corporation

10/05/17 / #20170287891

Schottky-cmos asynchronous logic cells

Integrated circuits described herein implement an x-input logic gate. The integrated circuit includes a plurality of schottky diodes that includes x schottky diodes and a plurality of source-follower transistors that includes x source-follower transistors. ... Lsi Corporation

10/05/17 / #20170287659

Vacuum interrupter for a vacuum circuit breaker

A vacuum interrupter for a vacuum circuit breaker is disclosed, in which a center shield is arranged between an upper insulating envelope and a lower insulating envelope, whereby the center shield is not provided inside each of the insulating envelopes and thus outer diameters of the respective insulating envelopes are reduced.. . ... Lsi Corporation

10/05/17 / #20170287110

Remote management system supporting n-screen function

The present disclosure relates to a remote management system supporting an n-screen function. A remote management system according to one embodiment of the present disclosure includes a graphic editing unit configured to create a first file including a plurality of layers corresponding to resolutions of plurality of devices, and a remote server configured to verify resolution of a remote terminal and an application standard thereof when receiving a monitoring screen provision request from the remote terminal, and to create a second file corresponding to the resolution of the remote terminal and the application standard thereof, thereby providing the second file to the remote terminal. ... Lsi Corporation

10/05/17 / #20170286235

Method of managing db between duplex ems server

A method of managing databases (dbs) in duplex servers includes: updating a db in the backup server to a first version; transmitting a list of name keys in the backup server to the active server; transmitting name keys that are identical between the active server and the backup server to the backup server; and synchronizing dbs between the active server and the backup server by using the identical name keys. The data can be synchronized between dbs having different versions based on name keys.. ... Lsi Corporation

10/05/17 / #20170285891

Method of providing monitoring screen composition functions

The present disclosure relates to a method of providing monitoring screen composition functions. A method of providing monitoring screen composition functions for controls of a system according to an embodiment of the present disclosure includes receiving a type of a monitoring screen which a user intends to generate; receiving characteristics of the monitoring screen from the user; obtaining initial generation information corresponding to the type and the characteristics received from the user; and outputting an initial monitoring screen on a display unit based on the initial generation information. ... Lsi Corporation

09/28/17 / #20170279886

Method of synchronizing user setting data among multiple centers

Disclosed herein is a method of synchronizing data among multiple ems centers. The method may include updating user setting data by a client in a main center; transmitting the user setting data from the main center to a secondary center; and synchronizing the user setting data between the main center and the secondary center.. ... Lsi Corporation

09/28/17 / #20170278487

Method for displaying monitoring viewer in hmi system

Disclosed herein is a method for displaying a monitoring viewer in an hmi system. The method includes, upon receiving a request to display a monitoring viewer from a user, acquiring screen data to be displayed in the monitoring viewer; displaying a control area of the monitoring viewer on a display; displaying a view area of the monitoring viewer on the display; and displaying a monitoring screen in the view area by using the screen data. ... Lsi Corporation

09/28/17 / #20170278319

Fault diagnosis apparatus for brake of train and automatic train operation equipment due to the reduction braking performance using the same and fault diagnosis method for brake of train

The present invention relates to a fault diagnosis apparatus for a brake of a train, an automatic train operation system operated due to degradation of braking performance using the same, and a fault diagnosis method for the brake of the train. In particular, the present invention is directed to determining that a fault has occurred in the brake when the difference between the current acceleration of the train and the required acceleration is greater than or equal to a reference value and safely moving the train to a stopping point through a powering operation or coasting operation such that emergency braking is not applied by an automatic train protection (atp) system if the fault has occurred in the brake. ... Lsi Corporation

09/28/17 / #20170277170

Hmi system

The present disclosure relates to a human machine interface (hmi) system easily applicable to each of a plurality of control management systems. An hmi system according to one embodiment of the present disclosure includes a module generation unit configured to generate an interface module of a control management system selected by an input of a user based on a source code data corresponding to at least one system component, source code data corresponding to each of one or more engineering components, and profile data corresponding to each of a plurality of control management systems. ... Lsi Corporation

09/28/17 / #20170277155

Supervisory control and data acquisition system and data engineering method thereof

A supervisory control and data acquisition (scada) system includes: a database configured to store data on the scada system; a client; and a server configured to transmit the data stored in the database to the client in response to a request of the client. The client is configured to display a supervisory screen for monitoring the scada system on the basis of the transmitted data. ... Lsi Corporation

09/28/17 / #20170276737

Slave module for monitoring electric system

Disclosed herein is a slave module for monitoring an electric system. The slave module includes: a data transmitting/receiving unit configured to receive request data from the master module and transmit response data to the master module via the serial bus; a data converting unit configured to convert the request data into first digital data and convert second digital data into the request data; a determining unit configured to determine whether the serial bus is in inactive state based on the first digital data and the second digital data; and a data processing unit configured to transmit emergency data to the master module if it is determined that the serial bus is in the inactive state.. ... Lsi Corporation

09/21/17 / #20170271854

Motor control center unit

A motor control center (mcc) unit includes a drawer having a space for accommodating a circuit breaker, a hinge bracket installed on one of left and right sides of the drawer, a base connected to the hinge bracket by a hinge shaft, and a display mechanism installation plate fastened to the base by a fastening member. Although a display mechanism or a display mechanism installation plates are different according to sizes or models of the mcc unit, a base and a hinge bracket may be commonly used.. ... Lsi Corporation

09/21/17 / #20170271110

Arc eliminator with earth contact

The present invention relates to an arc eliminator, and more particularly, to an arc eliminator with an earth contact. An arc eliminator comprises: a housing; an extinguisher installed on the housing; and an earth contact that is installed on the housing and protrudes out from the housing in such a way as to be connected to the ground bus bar provided inside a distribution board when the extinguisher is moved to a first position where the extinguisher is connected to a fixed bus bar provided inside the distribution board, and to be disconnected from the ground bus bar when the extinguisher is moved to a second position where the extinguisher is disconnected from the fixed bus bar.. ... Lsi Corporation

09/14/17 / #20170264459

Communications device having relay

A communications device includes a master unit and a block of slave units including a plurality of slave units control by the master unit. Each of the slave units include first and second ports to which different communications lines are connected, respectively, and a relay disposed between the first port and the second port and open/closed depending on whether power is supplied.. ... Lsi Corporation

09/14/17 / #20170263390

Arc eliminator

An arc eliminator includes a housing having a space formed therein and including an opening, an arc extinguishing part installed in the housing and including a moving rod disposed to be movable to the space, an indicator rotatably installed within the housing and seen through the opening, and an indicator rotating mechanism interworking with the moving rod when the moving rod moves, to rotate the indicator. A closing state and opening state of an arc extinguishing part may be easily recognized through an indicator and an arc accident may be minimized.. ... Lsi Corporation

09/14/17 / #20170263389

Interlock device of withdrawable arc eliminator

The present invention relates to an interlock device of a withdrawable arc eliminator, and more particularly, to an interlock device of a withdrawable arc eliminator capable of preventing insertion or withdrawal of an arc eliminator applied to an electrical panel, in a closed state of the arc eliminator.. . ... Lsi Corporation

09/14/17 / #20170263109

Apparatus for data processing

The present disclosure relates to a data processing apparatus. The data processing apparatus includes: at least one data processor configured to collect the data from the rtus and check alarm data associated with the collected data; a first spooler configured to receive the alarm data output from the data processor to create an alarm data queue; an alarm processing unit configured to receive the alarm data included in a first alarm data queue of the first spooler sequentially to create a second alarm data queue for creating an alarm message, and to create an alarm message based on alarm data in the second alarm data queue to output it. ... Lsi Corporation

09/14/17 / #20170259836

Central processing unit module for processing railway signal

The present disclosure relates to a cpu module for processing railway signals, and more specifically to a cpu module for processing railway signals that controls operation timing of a first comparator, a signal processing unit and a second comparator.. . ... Lsi Corporation

09/07/17 / #20170255607

Method of controlling data display device

Disclosed herein is a method of controlling data display device. The method includes: loading a monitoring view to initialize it; determining whether to display a tabular view; setting a tabular module if it is determined that the tabular view is to be displayed; displaying the tabular view according to set conditions; and checking whether to perform a view update mode during the displaying the tabular view.. ... Lsi Corporation

09/07/17 / #20170255175

Server apparatus in energy management system and operating method of thereof

The present invention relates to an energy management system. The energy management system includes: a client device; and a server. ... Lsi Corporation

09/07/17 / #20170254728

Data logging apparatus

A data logging apparatus stores communications data transmitted/received between a first apparatus and a second apparatus as log data, determines whether an event occurs based on the communications data, and stores log data within predetermined time periods before and after the time point at which the event has occurred, i.e., between a log start time and a log end time as event data. The data logging apparatus can efficiently store data that is used for analyzing the cause of the event occurring in the first apparatus.. ... Lsi Corporation

08/31/17 / #20170250526

Motor control center

A motor control center (mcc) includes a cabinet, a bus located within the cabinet, a partition vertically partitioning the inside of the cabinet, and an mcc unit located on the partition and including a clip connected to the bus, a first guide located on a lower surface of the mcc unit and having a protrusion part, and a second guide located on an upper surface of the partition and slidably guiding the first guide in a forward/backward direction, wherein the second guide has rise limiting parts limiting rise of the protrusion part in order to limit rise of the first guide, and thus, separation of the mcc unit is minimized, and since the mcc unit is mounted in a normal position, high reliability is obtained.. . ... Lsi Corporation

08/31/17 / #20170250044

Enclosed type electromagnetic switch having status indication function

The present invention relates to an enclosed type electromagnetic switch having a status indication function, and more particularly, to and enclosed-type electromagnetic switch having a status indication function that can show the electromagnetic switch's status on an enclosure.. . ... Lsi Corporation

08/31/17 / #20170248982

Electric power system

Disclosed herein is an electric power control system including a communication apparatus, a server, and a client, wherein the communication apparatus includes a communication unit operative to communicate with the client and server included in the electric power system to relay the service request received from the client to the server and relay the response to the service request received from the server to the client, a comparison/determination unit operative to compare a timeout time taken for the client to wait for the response to the service request with a processing time taken for the server to process the service request, and a controller operative to control the communication unit and the comparison/determination unit and to announce to the client that the processing time is longer than the timeout time when the processing time is longer than the timeout time.. . ... Lsi Corporation

08/31/17 / #20170248660

Apparatus for detecting defect of electric power system

An apparatus for detecting a defect of an electric power system according to one embodiment of the present disclosure includes a first state signal output unit for outputting a first state signal corresponding to a magnetic force generated at a periphery of a line, a second state signal output unit for outputting a second state signal based on a magnitude of a line current and an increase ratio thereof, and a determination unit for determining whether the electric power system is defective or not based on the first state signal and the second state signal.. . ... Lsi Corporation

08/24/17 / #20170245403

Cooling system for two-dimensional array power converters

Disclosed herein is a cooling system for two-dimensional array power converters. The cooling system includes: a plurality of power converters arranged in two-dimension; a compressor configured to generate compressed air; vortex tubes each installed in the respective power converters, the vortex tubes configured to generate low-temperature air based on compressed air from the compressor; valves installed between the compressor and the vortex tubes; temperature sensors each installed in the respective power converters to measure temperature inside the power converters; and a controller configured to determine whether to supply the low-temperature air into the power converters by using the vortex tubes, based on the temperature measured by the temperature sensors, and to control the valves depending on a result of the determination.. ... Lsi Corporation

08/24/17 / #20170245387

Motor drive unit

Disclosed herein is a motor drive unit. The motor drive unit includes a base part; a middle base part disposed above the base part; a heat discharging part mounted on the base part and disposed under the middle base part to slide on the middle base part, wherein an area in which the heat discharging part is installed is smaller than an area of the middle base part; and a power pcb part disposed above the middle base part, an emc pcb part disposed above the power pcb part with a spacing; a control pcb part coupled with a side portion of the power pcb part; and a condenser unit penetrating the middle base part to be fixed to it, wherein a lower end of the condenser unit is disposed on a side of the heat discharging part.. ... Lsi Corporation

08/24/17 / #20170245026

Telemetry system

A telemetry system includes: a plurality of meters; a data reader configured to acquire meter reading information for each of the meters; a transmitter configured to receive the meter reading information for each of the meters acquired through the data reader and transmit a corresponding bluetooth beacon signal; a receiver configured to receive transmission information from the transmitter; and a meter reading server configured to manage the meter reading information for each of the meters based on the transmission information received through the receiver.. . ... Lsi Corporation

08/24/17 / #20170244404

Fault detector for anti-parallel thyristor

A fault detector for an anti-parallel thyristor includes: a power supply unit configured to supply power to the first and second thyristors; a first current sensor configured to output a first current measurement value that flows through the first thyristor; a second current sensor configured to output a second current measurement value that flows through the second thyristor; and a detector which notifies a fault of a thyristor when the first and second current measurement values satisfy a set fault condition,. . ... Lsi Corporation

08/24/17 / #20170244399

Method and apparatus for generating pwm signal

Disclosed herein are a method and an apparatus for generating a random pwm voltage reference signal for driving an inverter, which can more simply generate random position pwm (rppwm) in which a position of an active vector is changed to achieve the same effect as when a switching frequency is changed.. . ... Lsi Corporation

08/24/17 / #20170244335

Inverter

Disclosed herein is an inverter. The inverter includes a base provided with a heat dissipation part, a main board disposed on the base to output an input power along an independent power flow through a rectification part and a inverter part, and a control board fixed to be electrically connected to the main board to form a flow of a secondary power and a flow of an electrical signal, the flow of the secondary power and the flow of the electrical signal being independent from each other.. ... Lsi Corporation

08/24/17 / #20170244314

Method for controlling three phase equivalent voltage of multilevel inverter

Provided is a method of controlling a three phase equivalent voltage in a multilevel inverter including sensing a state of each of power cells of the multilevel inverter to determine whether or not failure occurs at each of the power cells, bypassing power cells which are determined as being failed to connect power cells operating normally to each other in series per each phase, calculating an offset voltage value using a phase voltage reference per each phase and a sum of each of direct current (dc) link voltages of the power cells which operate normally and configure each of the phases, and calculating a pole voltage reference per each phase for maintaining an equivalence of a three phase line-to-line output voltage using the phase voltage reference per each phase and the calculated offset voltage.. . ... Lsi Corporation

08/24/17 / #20170243710

Instant trip mechanism for molded case circuit breaker

Disclosed embodiments include an instant trip mechanism for a molded case circuit breaker. In some embodiments, the mechanism includes an adjustment dial to set a current for an instant trip operation; an instant bar provided with an upper portion contactable with the adjustment dial, a shaft portion serving as a rotation shaft, and a lower extending portion downwardly extending from the shaft portion; an electromagnet unit to generate a magnetic attraction force that is proportional to an amount of current flowing on the circuit; an armature rotatable with a lower end portion supported by a shaft, and attracted toward the electromagnet unit by the magnetic attraction force; and a spring for applying to the armature a load varying in a direction of the armature getting away from the electromagnet unit.. ... Lsi Corporation

08/24/17 / #20170241676

Cooling apparatus for power converter

The cooling apparatus includes: a compressor configured to generate compressed air; first and second vortex tubes configured to generate cold air based on the compressed air generated from the compressor; a first valve installed between the compressor and the first vortex tube; a second valve installed between the compressor and the second vortex tube; first and second temperature sensors installed in the power converter and configured to measure the internal temperature of the power converter; and a control unit configured to determine whether or not the first and second vortex tubes supply the cold air into the power converter, based on first and second temperatures respectively measured by the first and second temperature sensors, and to transmit a valve open signal or a valve close signal to the first and second valves based on a result of the determination.. . ... Lsi Corporation

08/17/17 / #20170236672

Fuse case and case cover of vacuum contactor

A fuse case and a case cover of a vacuum contactor including a truck, a main circuit unit, and a front cover covering a front side of the main circuit unit include a fuse connected to an upper terminal of the main circuit unit and blowing, when a fault current is generated in a circuit, to break the circuit, a fuse case opened in an upper side, accommodating the fuse, and having an insertion coupling part formed on a side surface thereof, and a case cover coupled to an upper side of the fuse case, coupled to the insertion coupling part in an insertion coupling manner, and covering a rear end portion of the fuse, wherein the case cover includes an upper surface portion and side surface portions, and the side surface portions include a first side surface portion and a second side surface portion.. . ... Lsi Corporation

08/17/17 / #20170236671

Multi-pole molded case circuit breaker

The present invention relates to a multi-pole molded case circuit breaker, more particularly, to a multi-pole molded case circuit breaker having a safety device (with an isolation function) which prevents a manipulation handle from being moved to an off-position when a fusion occurs on a contact portion.. . ... Lsi Corporation

08/17/17 / #20170236668

Auxiliary relay of electronic contactor

Disclosed embodiments relate to an auxiliary relay of an electronic contactor. In some embodiments, an auxiliary relay has its conducting state controlled by a plurality of lead switches, in a non-exposed state of contact parts to the outside. ... Lsi Corporation








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