A control device for an inverter has a DC voltage input and a power unit with three half-bridges each formed by two power switching elements, the control device being arranged to driving the power switching elements in a normal operating mode for converting a DC voltage applied to the DC voltage input into a polyphase AC current provided at an AC current output. The control device is adapted to evaluate a signal state of a signal indicating a disconnection of a DC voltage source from the DC voltage input and to control the power switching elements in dependence on a result of the evaluation for alternately adopting a first switching pattern causing DC braking and a second switching pattern causing freewheeling.
STEUERUNGSEINRICHTUNG FÜR EINEN WECHSELRICHTER, WECHSELRICHTER FÜR EINE ASYNCHRONMASCHINE, FAHRZEUG UND VERFAHREN ZUM BETREIBEN EINES WECHSELRICHTERS
CONTROL DEVICE FOR AN INVERTER, INVERTER FOR AN ASYNCHRONOUS MACHINE, VEHICLE, AND METHOD FOR OPERATING AN INVERTER
DISPOSITIF DE COMMANDE CONÇU POUR UN ONDULEUR, ONDULEUR CONÇU POUR UNE MACHINE ASYNCHRONE, VÉHICULE ET PROCÉDÉ POUR FAIRE FONCTIONNER UN ONDULEUR
2021-07-28
Patent
Electronic Resource
German
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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