PROBLEM TO BE SOLVED: To provide a motor compressor which is constructed to be connected to a main power supply mounted on a vehicle, for suppressing an increase in the size as much as possible.SOLUTION: A motor compressor 10 is constructed to be connected to a main power supply mounted on a vehicle. The motor compressor 10 includes a compression part 12, an electric motor 13, an invertor 31, a step-down converter 70, and a control device 61. In the motor compressor 10, the control device 61 is constructed so that a carrier frequency in PWM control of the step-down converter 70 is higher than a carrier frequency in PWM control of the invertor 31.SELECTED DRAWING: Figure 1

    【課題】車載の主電源に接続されるように構成された電動圧縮機の大型化をなるべく抑制する。【解決手段】電動圧縮機10は、車載の主電源に接続されるように構成されている。電動圧縮機10は、圧縮部12と、電動モータ13と、インバータ31と、降圧コンバータ70と、制御装置61とを備える。電動圧縮機10において、制御装置61は、降圧コンバータ70のPWM制御におけるキャリア周波数を、インバータ31のPWM制御におけるキャリア周波数よりも高くするように構成されている。【選択図】図1


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    Title :

    MOTOR COMPRESSOR


    Additional title:

    電動圧縮機


    Contributors:

    Publication date :

    2018-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / 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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / 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



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