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Maschinenfabrik Reinhausen Gmbh patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Maschinenfabrik Reinhausen Gmbh-related inventors


Voltage balancing in series-connected power switches

A method for voltage balancing series-connected power switching devices (igbts) each connected in parallel with a respective diverter having controllable impedance to controllably conduct current diverted from the associated power switching device, the method comprising the step of controlling each diverter to follow a series of at least two successively higher impedance states during an off period of the power switching devices. The series of impedance states for each diverter comprises a first impedance and then a second, higher impedance, the first impedance occurring in response to an indication of a start of the off period. ... Maschinenfabrik Reinhausen Gmbh

Method for cleaning an on-load top changer, and on-load tap changer

In a method for cleaning an on-load tap changer (19) in a regulating transformer (20), provision is made for the on-load tap changer (19) to comprise a moving contact (11) and a fixed contact (12); for a cleaning signal to be generated; for the moving contact (11) to be frictionally moved relative to the fixed contact (12) on the basis of the cleaning signal. An on-load tap changer (19) in a regulating transformer (20) comprises: —a moving contact (11) and a fixed contact (12); —a contact drive (17) which is coupled to the moving contact (11); —a control device (18) which is connected to the contact drive (17) and is designed in such a manner that the control device can generate a cleaning signal and can transmit said signal to the contact drive (17); wherein the contact drive (17) is designed in such a manner that the contact drive can frictionally move the moving contact (11) relative to the fixed contact (12) on the basis of the cleaning signal.. ... Maschinenfabrik Reinhausen Gmbh

On-load tap changer and method of and system for operating same

A load stepping switch (1) for uninterrupted changeover between winding taps (n, n+1) on a control winding (20) comprises—a changeover switch (2) that comprises a first, second and third changeover contact (2.1, 2.2, 2.3) and can adopt a first position, in which the first and third changeover contacts are connected, a second position, in which the second and third changeover contacts are connected, and a bridge position, in which the changeover contacts are connected; —a first fixed contact (4) that can be connected to a first winding tap; —a second fixed contact (5) that can be connected to a second winding tap; —a first moving contact (6) that can optionally make contact with each of the fixed contacts; —a second moving contact (7) that can optionally make contact with each of the fixed contacts; —a main path (8) that connects the first moving contact to the first changeover contact; —an auxiliary path (9) that connects the second moving contact to the second changeover contact via a current-limiting element (10); —a switching element (11) that is connected between the main path and the second changeover contact.. . ... Maschinenfabrik Reinhausen Gmbh

Electric system with control winding and method of adjusting same

. . The invention relates to a method for changing the active number of turns of a control winding (12) in an electric system (10). The control winding is coupled to an ac voltage network for a specified period duration t, is designed for a specified nominal current strength in, and comprises a first and a second tap (121, 122). ... Maschinenfabrik Reinhausen Gmbh

Selective parallel running method for measuring/control devices

A method for controlling the parallel running of a plurality of transformers t1, t2, . . ... Maschinenfabrik Reinhausen Gmbh

Switching arrangement for a control transformer, in particular polarity switching means

. . A switching arrangement (1), in particular a polarity switching means, for a control transformer (10) which comprises a first winding (2) for a phase of an ac power supply system, which phase is to be controlled, comprises—a first connection terminal (1.1) which can be connected to the winding (2);—a second connection terminal (1.2) which can be connected to a discharge line (3);—a vacuum interrupter (4);—an isolator (5);—a resistor (6) which is connected in series with the vacuum interrupter (4) and the isolator (5); wherein—the first connection terminal (1.1) is connected to the second connection terminal (1.2) by means of the series circuit.. . ... Maschinenfabrik Reinhausen Gmbh

Active snubber

The present invention generally relates to a switching cell for a phase leg of a power converter and a method of controlling a power converter to drive a load, and more particularly to a plurality of such switching cells, a phase arm for a power converter, a power converter phase leg, to a power converter for driving a load, and methods of making a power converter. A switching cell for a phase leg of a power converter may comprise: a power switch for conducting a current for driving a load; a commutation path coupled in parallel with the power switch, the commutation path comprising a cell capacitor and an auxiliary switch coupled in series, the auxiliary switch configured to allow control of a conduction state of the commutation path; and a cell inductor coupled to a coupling of the power switch and the commutation path, wherein the switching cell comprises at least one control input line for receiving a control signal, the at least one control input line configured to drive a control terminal of the power switch and a control terminal of the auxiliary switch.. ... Maschinenfabrik Reinhausen Gmbh

Preselector switch assembly for a variable transformer

The invention relates to a switch assembly (1), in particular a preselector, for a variable transformer (4) having a first winding (2) and a second winding (3) with a first and a second tap (3.3, 3.4), said switch assembly comprising: a first connection terminal (2.1) that can be connected to the first winding (2); a second connection terminal (3.1) that can be connected to the first tap (3.3); a third connection terminal (3.2) that can be connected to the second tap (3.4); a first, second, third and fourth fixed contact (5.1, 5.2, 5.3, 5.4); a vacuum interrupter (6); a first moving contact (7) that can be contacted selectively with the first or second fixed contact (5.1, 5.2); a second moving contact (8) that can be contacted selectively with the third or fourth fixed contact (5.3, 5.4), wherein the second and the fourth fixed contact (5.2, 5.4) are connected to the second connection terminal (3.1), the first and the third fixed contact (5.1, 5.3) are connected to the third connection terminal (32), the first moving contact (7) is connected to the first connection terminal (2.1) via the vacuum interrupter (6), and the second moving contact (8) is connected to the first connection terminal (2.1).. . ... Maschinenfabrik Reinhausen Gmbh

Plasma coating device and method for plasma coating of a substrate

The invention relates to a plasma coating device (10) and a method for homogenous coating of a substrate (12). It comprises a particle reservoir (14), a dosing device (16) for dosing the particles (15) contained in the particle reservoir (14), a processing chamber (20) and a transport line (18) to convey particles (15) into the processing chamber (20). ... Maschinenfabrik Reinhausen Gmbh

Motor drive

. . The present invention relates to a motor drive having a position indicator for actuation of an on-load tap changer or diverter. The invention proposes a motor drive for actuating an on-load tap changer or diverter. ... Maschinenfabrik Reinhausen Gmbh








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