An electric compressor for a vehicle includes: an electric motor having a coil; an inverter device for the electric motor; a capacitor that stores energy smaller than coil energy, is connected to an input end of the inverter device, and accumulates a charge according to an operation of the electric motor; a voltage detection device for the capacitor; an abnormality determination device that determines an abnormality based on the voltage of the capacitor; and a control device that performs a reflux mode in which the inverter device is controlled to flow back a current to the coil of the electric motor in case of abnormality.
ELECTRIC COMPRESSOR FOR VEHICLE
09.02.2017
Patent
Elektronische Ressource
Englisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |