PROBLEM TO BE SOLVED: To provide a power conversion system for a railway vehicle preventing mounted components of an auxiliary circuit part from performance degradation accompanying over-time use thereof and preventing the whole of the device from increase in size.SOLUTION: A power conversion system for a railway vehicle includes a semiconductor element, a first heat-receiving member, a reactor and a resistor, a second heat-receiving member, a coolant circulation circuit and a heat exchanger. The semiconductor element constitutes a main circuit part for power conversion. The semiconductor element is mounted on the first heat-receiving member. The reactor and the resistor constitute an auxiliary circuit part for power conversion. The reactor and the resistor are mounted on the second heat-receiving member. The coolant circulation circuit flows coolant to the first heat-receiving member and the second heat-receiving member. The heat exchanger performs heat exchange of the coolant.SELECTED DRAWING: Figure 1

    【課題】補助回路部の実装部品の経時使用に伴う性能低下や装置全体の大型化を回避することができる鉄道車両の電力変換装置を提供することである。【解決手段】実施形態の鉄道車両の電力変換装置は、半導体素子と、第1の受熱部材と、リアクトル及び抵抗と、第2の受熱部材と、冷却液循環回路と、熱交換器と、を持つ。半導体素子は、電力変換用の主回路部を構成する。第1の受熱部材には、半導体素子が取り付けられる。リアクトル及び抵抗は、電力変換用の補助回路部を構成する。第2の受熱部材には、リアクトル及び抵抗が取り付けられる。冷却液循環回路は、第1の受熱部材と第2の受熱部材に冷却液を流す。熱交換器は、冷却液の熱交換を行う。【選択図】図1


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    Titel :

    POWER CONVERSION SYSTEM FOR RAILWAY VEHICLE


    Weitere Titelangaben:

    鉄道車両の電力変換装置


    Beteiligte:
    SUZUKI REIKO (Autor:in)

    Erscheinungsdatum :

    02.11.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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