To provide a small size noise cancellation system superior in noise suppression performance capable of being configured light weight at low cost.SOLUTION: The noise cancellation system comprises: a rotary electric machine 20 including a rotor, a stator core 21, and a stator coil 24 wound on the stator core 21; an inverter 60 configured to modulate a first DC voltage V1 and to apply the modulation wave to the stator coil 24; driven bodies 32, 34 which are driven to rotate by the rotary electric machine 20; a contact piece in contact with the stator core 21; and a noise canceller 40 configured to cancel AC component of a potential appearing on the contact piece.SELECTED DRAWING: Figure 1

    【課題】ノイズ抑制能力に優れ、小型軽量かつ安価に構成できるノイズキャンセルシステムを提供する。【解決手段】ロータと、ステータコア21と、ステータコア21に巻回されたステータコイル24と、を有する回転電機20と、第1の直流電圧V1を変調し、変調波をステータコイル24に印加するインバータ60と、回転電機20によって回転駆動される被駆動体32,34と、ステータコア21に接触する接触子と、接触子に現れる電位の交流成分を打ち消すノイズキャンセラ40と、を設けた。【選択図】図1


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    Title :

    NOISE CANCELLATION SYSTEM AND ELECTRIC VEHICLE


    Additional title:

    ノイズキャンセルシステムおよび電動車両


    Contributors:

    Publication date :

    2019-02-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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