Relays (SMR 1, SMR2) are inserted and connected between a battery (BA) and a boosting converter (12A), and relays (SR1, SR2) are inserted and connected between a battery (BB) and a boosting converter (12B) connected are relays (SMR 1, SMR2). A controller (30) controls control signals (CONT1 - CONT4) controlling open/close of the relays (SMR 1, SMR2, SR1, SR2). When short-circuit of a switching element occurs in the boosting converter (12A, 12B), controller 30 controls turning-off of the relays (SMR 1, SMR2, SR 1, SR2) such that at least one of order and timing of turning off the relays is changed depending on which of the switching elements is short-circuited.


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    Title :

    POWER SUPPLY SYSTEM OF ELECTRIC VEHICLE AND CONTROL METHOD THEREOF


    Additional title:

    ENERGIEZUFUHRSYSTEM FÜR EIN ELEKTROFAHRZEUG UND STEUERVERFAHREN DAFÜR
    SYSTÈME D'ALIMENTATION ÉLECTRIQUE DE VÉHICULE ÉLECTRIQUE ET PROCÉDÉ DE COMMANDE CORRESPONDANT


    Contributors:

    Publication date :

    2017-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01H Elektrische Schalter , ELECTRIC SWITCHES



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