Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Similar
Filing Names

State Grid Corporation Of China
State Grid Corporation Of China sgcc

State Grid Corporation Of China patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | State Grid Corporation Of China-related inventors


Multipurpose lead connecting device

A multipurpose wire connection device includes a base plate, a conductive plate, a wire fixation screw, a fireproof box, a support, and a dustpan-shaped housing. The support is disposed on the base plate. The fireproof box includes a rear panel, a bottom panel, two side panels, and an inserted plate.... State Grid Corporation Of China

Surface treatment composition, insulating fiber, yarn, rope and preparation method thereof

The present invention discloses a fiber surface treatment composition, characterized in that the composition is comprised of a silane coupling agent, a polymer and a water repellent agent, wherein the polymer is a copolymer of a polyurethane/acrylic acid polymer, wherein the acrylic polymer is selected from the group consisting of... State Grid Corporation Of China

Internal transformer composite-defect fuzzy diagnostic method based on gas dissolved in oil

A transformer internal composite defect fuzzy diagnosis method based on gas dissolved in oil, comprising: a step of acquiring monitoring data of volume concentrations of five types of monitored feature gas; a step of determining ratio codes; a step of modifying a three-ratio method; a step of fuzzifying a boundary... State Grid Corporation Of China

Quick connect and disconnect cable junction box

The present disclosure provides a quick connect and disconnect cable junction box, including: a box body, insulators, copper busbars, connection wires, T-shaped cable terminals, linear adapters, and an insulation spacer. The insulators, the copper busbars, the connection wires, and the T-shaped cable terminals are positioned inside the box body. The... State Grid Corporation Of China

Method for overcoming influence of out-flowing current on bus differential protection

The invention provides a method for overcoming the influence of out-flowing current on bus differential protection. The method comprises the following steps: acquiring and processing branch current signals; selecting a fault bus, and determining the branch current with maximum amplitude from branches connected with the fault bus; calculating differential current... State Grid Corporation Of China

Management power engineering cost

The present invention discloses a management method of power engineering cost, including: 1) collect and collate the historical power engineering data, and establish engineering sample database; 2) Explore the factors influencing power engineering cost and construct the cost factor associated topology; 3) identify the price transmission path; 4) Establish the... State Grid Corporation Of China

Post-evaluation and risk management and control power transmission engineering cost

A VAR-based post-evaluation and risk management and control method is disclosed herein. The power transmission engineering cost is broken down sub-item costs, and the stochastic behavior of sub-item costs is simulated by normal distribution, to determine the VaR of sub-item cost at a confidence, then the VaR and ratio of... State Grid Corporation Of China

Method for quickly identifying disconnection of ct in protection of 3/2 connection mode based bus

The present disclosure relates to a method for quickly identifying disconnection of a Current Transformer (CT) in protection of a 3/2 connection mode based bus. The present disclosure can quickly and accurately identify the disconnection of the CT, thereby avoiding the problem of a maloperation in protection of a bus... State Grid Corporation Of China

Device and calculating trapping parameters by measuring short-circuit current decay under reverse bias voltage

A device for calculating trapping parameters by measuring short-circuit current decay under a reverse bias voltage, including: a vacuum chamber, an experiment table, a lower electrode, a shielding layer, an upper electrode, a direct current charging module, a switch, a short-circuit measuring system, and a computer. The experiment table, the... State Grid Corporation Of China

Method and data quality management and control

Embodiments of the present invention provide a method and an apparatus for data quality management and control. The method includes: receiving application information transmitted by a service sub-system; resolving datasheet operation trigger information to obtain datasheet flow information; receiving user information transmitted by the service sub-system and a target datasheet... State Grid Corporation Of China

Method for preventing differential protection maloperation of optical fiber caused by saturation of single ct of 3/2 connection

The present disclosure relates to a method for preventing a maloperation of differential protection of an optical fiber caused by saturation of a single Current Transformer (CT) of 3/2 connection. By applying a combination of the differential judgment and the sub-CT current judgment, reliable identification of internal and external faults... State Grid Corporation Of China

Live-working robot

The present invention discloses a live-working robot, comprising: a telescopic arm and a working hopper, wherein the working hopper and the telescopic arm are slidably connected along a vertical direction and the telescopic arm is provided with the drive component for driving the working hopper to reciprocate along a vertical... State Grid Corporation Of China

Integrated high and low voltage ride through test system

An integrated high and low voltage ride through test system, comprising a primary system and a secondary system; the secondary system controls the primary system to realize information interaction, and is connected to a power grid and a wind generation set via an inlet wire switch cabinet and an outlet... State Grid Corporation Of China

Electric vehicle for routing inspection of power transmission lines

An electric vehicle for routing inspection of power transmission lines, includes a body; a running mechanism mounted to the body, comprising a front wheel and a rear wheel connected by a cross beam and rolling on the cable; an obstacle sensor and a cam rotatably mounted to the cross beam,... State Grid Corporation Of China

Fault point locating hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves

The invention discloses a fault point locating method of hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves, which mainly includes steps: phase-model transformation; looking up initial time of failure; extracting timing window data after the initial time; searching a reflected wave from... State Grid Corporation Of China

Setting and coordination calculation protection setting value of dc system

A setting and coordination calculation method for protection setting value of DC system is introduced. A protective template library is built by classifying the DC system protections to various protective areas and classifying each protective area. Based on project configuration, a mathematical model of converter station is built, the parameters... State Grid Corporation Of China

Distributed test method applicable to system-level test of intelligent high voltage equipment

A distributed test method applicable to a system-level test of intelligent high voltage equipment. The method includes: firstly, carrying out unified modeling on test equipment behaviors according to test requirements, and generating a general test case for ensuring accuracy and coordination of test behaviors and test time sequences under various... State Grid Corporation Of China

Sampling implementation based on conventional sampling goose trip mode

Sampling implementation method and device based on conventional sampling GOOSE trip mode. CPU of master NPI plug-in, after receiving a second pulse, transmits sampling pulse generation time and a transmission enable bit to FPGA of the master NPI plug-in at a fixed interval; after detecting the transmission enable bit, the... State Grid Corporation Of China

Method of preventing misoperations about a relay protection device in a smart substation

The present invention relates to a method of preventing misoperation about a relay protection device in a smart substation. Reversely operating CPU operation results of two operation records about the relay protection device, in order to form corresponding disassembler codes. According to disassembler codes, calculating similarity of the CPU operation... State Grid Corporation Of China

Oil-gas separation cylinder, an oil-gas separation device and an oil chromatography

The present invention discloses an oil-gas separation cylinder, an oil-gas separation device and an oil chromatography. The oil-gas separation cylinder comprises an oil-gas separation cylinder body of which axe extends in direction of up and down, a separating block which separates the oil-gas separation cylinder body into an upper cavity... State Grid Corporation Of China

Monitoring method and system of arrester applied to smart substation

The present invention relates to a monitoring method and system of arrester applied to smart substation. The monitoring method of arrester applied to smart substation includes following steps: 1) getting original sample value of the arrester leakage current, 2) getting resample values of the original sample values of leakage current... State Grid Corporation Of China

Method of differential protection in the power distribution networks based on phase difference principles

The invention relates to a method of differential protection in the power distribution networks based on phase difference principles. The method comprises the following steps: collecting the current and voltage signals of each loading switch; calculating phase difference between the corresponding currents at two adjacent loading switches, wherein at least... State Grid Corporation Of China

Method for lightning stroke identification and location on optical fiber composite overhead ground wire

The present invention discloses a method for lightning stroke identification and location on optical fiber composite overhead ground wire. In the method, according to the property that the lightning stroke will cause a sudden temperature rise at the lightning stroke position on the optical fiber composite overhead ground wire, optical... State Grid Corporation Of China

Low-frequency band suppression enhanced anti-reversal power system stabilizer

A low-frequency band suppression enhanced anti-reversal power system stabilizer is presented by the invention. Currently the widely used PSS2B power system stabilizer needs lead elements above Order 2 to meet the phase compensation requirement of DC blocking signal of active power, thus quickly increasing high-frequency band gain, restricting allowable total... State Grid Corporation Of China

Prevention abnormal action protection of uhv regulating compensation transformer with no-load input

The present invention relates to a prevention method of abnormal action protection of UHV regulating compensation transformer with no-load input, the prevention method includes: first determining a value of differential current of regulating compensation transformer, if the value of differential current is smaller than a pre-setting threshold, then, identifying whether... State Grid Corporation Of China

Rapid online diagnosis open-circuit fault for high-power rectifier

The invention relates to rapid online diagnosis method of high-power rectifier open-circuit fault, including: 1) collecting actual output direct current value id(t0) and three phase input electric current instantaneous values ia(t0), ib(t0) and ic(t0) of rectifier at t0 moment, and calculating theoretical output direct current value id′ of the rectifier... State Grid Corporation Of China

Differential protection bridge circuit in current converter control system

The present invention relates to a differential protection method for bridge circuit in current converter control system, including the steps of: 1). obtaining sample values of the three-phase current for the current converter control system at AC side thereof, and calculating the absolute value of each sampling value respectively; 2).... State Grid Corporation Of China








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with State Grid Corporation Of China in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for State Grid Corporation Of China with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###