Siemens Aktiengesellschaft

Norbert Trapp

Reinhard Maier

Lutz-Ruediger Jaenicke

Werner Hartmann

Gerd Griepentrog

Sylvio Kosse

Herbert Gambach

Lutz-Rüdiger Jänicke

Lutz-Rudiger Janicke

Frank Reincke

Anthoula Panagou

A switching device for switching bipolar DC currents in a high-voltage system includes at least two electromechanical switching units and a semiconductor switching arrangement. The electromechanical switching units have a first switching status and a second switching status. In the first switching status, the DC current can be passed via at least one of the electromechanical switching units without in this case flowing via the semiconductor switching arrangement. In the second switching status of the electromechanical switching units, the DC current can be passed via the semiconductor switching arrangement and can be switched off.

Switching device

A switch for a high-voltage direct current transmission path includes a vacuum circuit breaker for disconnecting the transmission path and a gas-insulated circuit breaker for disconnecting the transmission path. The gas-insulated circuit breaker is connected in series with the vacuum circuit breaker. A device is provided for building up a counter-current against the current in the transmission path for the purpose of reducing the current across the vacuum circuit breaker. The elements of the switch are actuated by a control device in such a way that the switch is switched off at or close to the zero crossing of the current.

Switch for a transmission path for high-voltage direct current

Insulating component for high-voltage equipment

Growing community of inventors

Berlin, Germany

Norbert Trapp