PROBLEM TO BE SOLVED: To provide an electric power conversion device for a railway vehicle for increasing a regenerative electric power amount while taking into consideration even an ambient condition of the railway vehicle.SOLUTION: The electric power conversion device for a railway vehicle includes a first electric power conversion circuit 101 for DC-DC electric power-converting DC electric power supplied from a DC stringing 1 by a plurality of switching elements and a second electric power conversion circuit 102 for DC-AC electric power-converting output electric power of the first electric power conversion circuit by the plurality of switching elements and driving an electric motor.EFFECT: When torque of the electric motor required upon braking is higher than predetermined torque and voltage of the DC stringing is lower than predetermined voltage, input voltage of the second electric power conversion circuit becomes higher than the voltage of the DC stringing, and energy can be saved by optimizing operation of a step-down and-up circuit for increasing regenerative electric power.SELECTED DRAWING: Figure 2

    【課題】鉄道車両の周囲状況も考慮して回生電力量を増大させる鉄道車両用電力変換装置を提供する。【解決手段】直流架線1から供給される直流電力を複数のスイッチング素子により直流−直流電力変換する第一の電力変換回路101と、当該第一の電力変換回路の出力電力を複数のスイッチング素子により直流−交流電力変換して電動機を駆動する第二の電力変換回路102と、を有する。【効果】ブレーキ時に必要な電動機のトルクが予め定められたトルクよりも高く、且つ、直流架線の電圧が予め定められた電圧よりも低いときに、第二の電力変換回路の入力電圧が前記直流架線の電圧よりも高くなり、回生電力を増大するための昇降圧回路の動作を最適化することにより、省エネルギー化できる。【選択図】図2


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    ELECTRIC POWER CONVERSION DEVICE FOR RAILWAY VEHICLE


    Weitere Titelangaben:

    鉄道車両用電力変換装置


    Beteiligte:
    ANDO MASATO (Autor:in) / AKIYAMA SATORU (Autor:in) / ISHIKAWA KATSUMI (Autor:in) / TERASAWA KIYOSHI (Autor:in)

    Erscheinungsdatum :

    2018-08-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



    RAILWAY VEHICLE ELECTRIC POWER CONVERSION DEVICE

    KAMIYA AKIRA / KANEKO KIMIHISA / UEHARA YOSHIHISA | Europäisches Patentamt | 2018

    Freier Zugriff

    ELECTRIC POWER CONVERSION DEVICE FOR RAILWAY VEHICLE

    KAMIYA AKIRA / KANEKO KIMIHISA / UEHARA YOSHIHISA | Europäisches Patentamt | 2018

    Freier Zugriff

    ELECTRIC POWER CONVERSION DEVICE FOR RAILWAY VEHICLE

    KATO HIROKAZU / OKADA YOSUKE / AOTANI TOMOAKI et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    ELECTRIC POWER CONVERSION DEVICE FOR RAILWAY VEHICLE

    KATO HIROKAZU / OKADA YOSUKE / AOTANI TOMOAKI et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    ELECTRIC POWER CONVERSION DEVICE AND RAILWAY VEHICLE

    TSUKINARI YUKI / FUJIWARA NOBUTO / FUJITO HARUHIKO | Europäisches Patentamt | 2019

    Freier Zugriff