Inverter (9) for an electric machine (1), comprising an input terminal (10) connectable to a DC voltage, a DC link (12) connected to the input terminal (10), an output terminal (11) connectable to stator windings (5) of the electric machine (1) and a controller (22) configured to provide in a pulsing mode pulsing signals causing the inverter (9) to convert the DC voltage into a multiphase AC output voltage at the output terminal (11) and to transfer the inverter (9) from the pulsing mode into an active short circuit mode, characterized in that the controller (22) is configured to control at least one interrupt device (13, 13') being arranged in a line (15, 17) of the DC link (12) to interrupt a current flow along the line (15, 17) transmitting a power from the output terminal (11) to the input terminal (10) if the inverter (9) is transferred from the pulsing mode into the active short circuit mode.
INVERTER FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, VEHICLE AND METHOD FOR OPERATING AN INVERTER
WECHSELRICHTER FÜR EINE ELEKTRISCHE MASCHINE, ELEKTRISCHE MASCHINE FÜR EIN FAHRZEUG, FAHRZEUG UND VERFAHREN ZUM BETRIEB EINES WECHSELRICHTERS
ONDULEUR POUR MACHINE ÉLECTRIQUE, MACHINE ÉLECTRIQUE POUR VÉHICULE ET PROCÉDÉ DE FONCTIONNEMENT D'UN ONDULEUR
2022-11-02
Patent
Electronic Resource
English
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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Inverter for an electric machine and method for operating an inverter for an electric machine
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