Siemens Energy Global Gmbh & Co. Kg

Siemens Aktiengesellschaft

Daniel Boehme

Marcus Wahle

Torsten Stoltze

Ingo Euler

Daniel Schmitt

Frank Schremmer

Johann Holweg

Mathias Anheuer

Steffen Pierstorf

Martin Kapelke

Felix Daeumler

Johannes Dallmeier

Johannes Griessl

Adrian Huber

Christian Schrammel

Christopher Eismann

Michael Rudek

Johannes Weber

A method for operating a controllable electrical device connected by a data link to a control device for controlling the electrical device, includes using the electrical device to exchange electrical power with a connected electrical grid and using an environmental sensor for collecting environmental information. The control device transmits control signals to the electrical device over the data link. The electrical device assumes a first or a second operating state depending on the control signals transmitted. The electrical device exchanges energy with the electrical grid in the first operating state and the electrical device does not exchange energy with the electrical grid in the second operating state. Environmental information collected by the environmental sensor is transmitted over the data link to the control device only when the electrical device is in the second operating state. An assembly for carrying out the method is also provided.

Method for operating a controllable electrical device, and assembly having the controllable electrical device

A potential equalization system for a modular multi-level converter. The converter has a plurality of converter modules and each of the modules has a direct current source. The potential equalization system includes pole contacts, which are each electrically connected to one pole of a direct current source, and at least one electrically conductive contacting element, which can be moved between a first end position in which the contacting element is electrically isolated from the converter modules and a second end position in which the contacting element contacts pole contacts of different direct current sources and can be put on ground potential.

Potential equalization system for a modular multilevel converter

An electronic module for protecting power semiconductor devices of an HVDC converter against high current surges and damaging electrical discharges includes a capacitor, a short circuit device, a movable portion, a short circuit portion and a spring element. The short circuit device is connected in parallel with the capacitor and has first and second busbars. The movable portion is connected to the first busbar and the short circuit portion is connected to the second busbar. The spring element is arranged between the movable portion and the short circuit portion. When a short circuit current flows through the first busbar, an electromagnetic force between the busbars causes the first busbar to repel the second busbar and move towards the short circuit portion. The latter provides a short circuit path connecting the first busbar to the second busbar short circuiting the capacitor and bypassing the power semiconductor devices of the HVDC converter.

Electronic module for protecting a HVDC converter from current surges of energy discharges from a capacitor of the converter

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Nuremberg, Germany

Daniel Boehme