To provide a power conversion system which can safely start a plurality of apparatuses by power supplied from a battery device.SOLUTION: A power conversion system 10 includes: a power conversion device 300 for travelling for converting power supplied via a transformer into drive power for motors M1-4M for travelling; a power conversion device 100 for auxiliary power supply having an AC-DC power conversion part 110 for load and a DC-AC power conversion part 120 for load, and for outputting to the drive power of an AC load and a DC load; a battery device 200; and an auxiliary machine group 600. The battery device 200 includes: a common first power line for supplying power from a battery pack BT to the power conversion device for travelling, the power conversion device for auxiliary power supply and the auxiliary machine group; and a second power line connected in parallel with the first power line, and having a resistor CHRe and a first contactor CHK for switching a power supply path between the first power line and the second power line.SELECTED DRAWING: Figure 2

    【課題】バッテリ装置から供給される電力により複数の機器を安全に起動可能な電力変換システムを提供する。【解決手段】実施形態による電力変換システム10は、変圧器を介して供給された電力を走行用モータM1〜4Mの駆動電力に変換する走行用電力変換装置300と、負荷用交流−直流電力変換部110及び負荷用直流−交流電力変換部120を有し、交流負荷及び直流負荷の駆動電力に出力する補助電源用電力変換装置100と、バッテリ装置200と、補機群600と、を備える。バッテリ装置200は、組電池BTから走行用電力変換装置、補助電源用電力変換装置及び補機群に電力を供給する共通の第1電力線と、第1電力線と並列に接続し、抵抗器CHReと、電力供給経路を第1電力線と第2電力線とで切り替える第1接触器CHKと、を有する第2電力線と、を備える。【選択図】図2


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    Title :

    POWER CONVERSION SYSTEM


    Additional title:

    電力変換システム


    Contributors:

    Publication date :

    2021-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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