INVERTER FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, VEHICLE AND METHOD FOR OPERATING AN INVERTER

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 pulsin...

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Bibliographische Detailangaben
Hauptverfasser:	BOHLLÄNDER, Marco, WIEDMANN, Karsten
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	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.