A multiphase voltage transformer for an electrical supply network for supplying an electrical machine with electrical energy from an electrical energy storage system. This electrical supply network includes the multiphase voltage transformer, an output current converter connected downstream of this transformer and an intermediate circuit connected between the transformer and the output current converter. The transformer includes a circuit arrangement having parallel-connected voltage transformer units at the input end, each of these units having an inductance and two semiconductor switch units and a control unit for actuating the semiconductor switch units. The control unit is configured so as to actuate the semiconductor switch units in an intermediate circuit discharging operation such that it powers down the intermediate circuit voltage of the intermediate circuit in less than a second into the low voltage range. A corresponding electrical supply network, an energy supply system having network and a method are provided.


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    Title :

    MEHRPHASIGER SPANNUNGSWANDLER FÜR EIN VERSORGUNGSNETZ UND VERFAHREN ZUM HERUNTERFAHREN EINER ZWISCHENKREISSPANNUNG DIESES VERSORGUNGSNETZES


    Additional title:

    MULTIPHASE VOLTAGE TRANSFORMER FOR A SUPPLY NETWORK AND METHOD FOR POWERING DOWN AN INTERMEDIATE CIRCUIT VOLTAGE OF THIS SUPPLY NETWORK
    CONVERTISSEUR DE TENSION À PLUSIEURS PHASES POUR UN RÉSEAU D'ALIMENTATION ET PROCÉDÉ DE RÉDUCTION D'UNE TENSION DE CIRCUIT INTERMÉDIAIRE DE CE RÉSEAU D'ALIMENTATION


    Contributors:

    Publication date :

    2022-03-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

    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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