To provide an electric power conversion device which suppresses degrading of the cooling efficiency of an electric power conversion unit including an electric power conversion element part.SOLUTION: In an electric power conversion device 8, in an air passage 8b, a cooling fan 8d is located, not only in a downstream side of a first bend part 22, but also at a prescribed position D in a direction orthogonal to an air stream direction in the air passage 8b.SELECTED DRAWING: Figure 5
【課題】電力変換素子部を含む電力変換ユニットの冷却効率の低下を抑制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】この電力変換装置8は、冷却ファン8dは、導風通路8b内において、第1曲がり部22よりも下流側に配置されるとともに、導風通路8bにおける空気流れ方向に直交する方向の所定位置Dに配置されている。【選択図】図5
ELECTRIC POWER CONVERSION DEVICE FOR RAILWAY VEHICLE
鉄道車両用電力変換装置
2020-03-26
Patent
Electronic Resource
Japanese
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 |