To provide a railway vehicle power conversion device having a step-up chopper circuit, in which an LC filter is simplified so as to achieve size reduction of the railway vehicle power conversion device.SOLUTION: A railway vehicle power conversion device of an embodiment is connectable to a DC overhead line via a current collector and includes an insulated DC/DC converter. The railway vehicle power conversion device includes: a filter circuit capable of removing a first AC component being an AC component included in DC power supplied via the current collector and having a frequency at least six times a commercial AC frequency or more; and a step-up chopper receiving an output of the filter circuit and performing input current control to remove a second AC component having a frequency twice the commercial AC frequency or less and performing predetermined step-up.SELECTED DRAWING: Figure 2
【課題】昇圧チョッパ回路を有する鉄道車両用電力変換装置において、LCフィルタを簡素化し、ひいては、鉄道車両用電力変換装置の小型化を図る。【解決手段】実施形態の鉄道車両用電力変換装置は、直流架線に集電器を介して接続可能であり、絶縁型DC/DCコンバータを備えた鉄道車両用電力変換装置であって、集電器を介して供給された直流電力に含まれる交流成分であって、少なくとも商用交流周波数の6倍以上の周波数を有する第1の交流成分を除去可能なフィルタ回路と、フィルタ回路の出力が入力され、入力電流制御を行って前記商用交流周波数の2倍以下の周波数を有する第2の交流成分を除去しつつ所定の昇圧を行う昇圧チョッパと、を備える。【選択図】図2
RAILWAY VEHICLE POWER CONVERSION DEVICE
鉄道車両用電力変換装置
2020-03-05
Patent
Electronic Resource
Japanese
IPC: | 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 |