A torque limit section that applies limit to the torque instruction value of an electric motor such that the said switching elements temperature is restricted to no more than the element upper limiting temperature comprises: torque restriction means that finds a torque restriction value for restricting the torque of the electric motor in accordance with the said switching elements temperature; torque restriction mitigation means that finds a torque restriction mitigation value for mitigating the torque limit value in accordance with the integrated value of the deviation of the element upper limiting temperature and the switching elements temperature; a first subtractor (18) that finds a torque restriction value by subtracting the torque restriction mitigation value from the torque limit value; and a second subtractor (20) that finds a limited torque instruction value obtained by subtracting the torque limit value from the torque instruction value and outputs this to the gate generating section.


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    Title :

    INVERTER, ELECTRIC VEHICLE EQUIPPED WITH THE INVERTER, AND HYBRID VEHICLE EQUIPPED WITH THE INVERTER


    Additional title:

    WECHSELRICHTER, MIT DEM WECHSELRICHTER AUSGESTATTETES ELEKTROFAHRZEUG UND MIT DEM WECHSELRICHTER AUSGESTATTETES HYBRIDFAHRZEUG
    ONDULEUR, VÉHICULE ÉLECTRIQUE ÉQUIPÉ DE L'ONDULEUR, ET VÉHICULE HYBRIDE ÉQUIPÉ DE L'ONDULEUR


    Contributors:

    Publication date :

    2018-08-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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 / 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 / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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