PROBLEM TO BE SOLVED: To provide a power converter for a railway vehicle capable of being stably operated even when a part of inverter circuits out of a plurality of inverter circuits constituting an inverter unit is used as service power supply at the time of non-travelling of the railway vehicle.SOLUTION: A power converter for a railway vehicle according to one embodiment comprises an inverter unit having a plurality of inverter circuits and a cooling section commonly used for the plurality of inverter circuits for air-cooling the plurality of inverter circuits. Further, one inverter circuit out of the plurality of inverter circuits can be connected to a transformer for supplying a service power source to low voltage equipment at least at the time of non-travelling of the railway vehicle.SELECTED DRAWING: Figure 2

    【課題】インバータユニットを構成する複数のインバータ回路のうち、一部のインバータ回路を鉄道車両の非走行時にサービス電源供給用として用いる場合であっても安定して運用することが可能な鉄道車両用電力変換装置を提供する。【解決手段】実施形態の鉄道車両用電力変換装置は、複数のインバータ回路と、複数のインバータ回路で共用され、複数のインバータ回路を空気冷却するための冷却部と、を有するインバータユニットを備えている。そして、複数のインバータ回路のうち一つのインバータ回路は、少なくとも鉄道車両の非走行時に低電圧機器にサービス電源を供給するためのトランスに接続可能とされている。【選択図】図2


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    Title :

    POWER CONVERTER FOR RAILWAY VEHICLE


    Additional title:

    鉄道車両用電力変換装置


    Contributors:

    Publication date :

    2017-11-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61C Lokomotiven , LOCOMOTIVES / 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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