PROBLEM TO BE SOLVED: To provide an electric power conversion system for a railway vehicle in which the occurrence of such a trouble that the temperature of a second electrical instrument having low allowable temperature exceeds the allowable temperature to rise.SOLUTION: This electric power conversion system 100 for a railway vehicle comprises: a housing 20 including a main circuit chamber 20a and a control chamber 20b; a main circuit part 31 disposed in the main circuit chamber 20a and performing an electric power conversion; and a control unit 32 disposed in the control chamber 20b, having a lower heat generation amount and a lower allowable temperature than those of the main circuit part 31, and controlling the main circuit part 31. The system 100 further comprises: a wall portion 26a for thermally separating the main circuit chamber 20a from the inside of the control chamber 20b; and ribs 22b, 23b, 24b and fans 61, 62 provided in the control chamber 20b and releasing the heat of air in the control chamber 20b.SELECTED DRAWING: Figure 4
【課題】許容温度が低い第2電気機器の温度が許容温度を超えて高くなるの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】この鉄道車両用電力変換装置100は、主回路室20aと、制御室20bとを含む筐体20と、主回路室20a内に配置され、電力の変換が行われる主回路部31と、制御室20b内に配置され、主回路部31よりも発熱量が小さく、かつ、主回路部31よりも許容温度が低いとともに、主回路部31を制御する制御ユニット32とを備える。鉄道車両用電力変換装置100は、主回路室20aと制御室20b内とを熱的に分離するための壁部26aと、制御室20b内に設けられ、制御室20b内の空気を放熱するリブ22b、23b、24b、ファン61および62と、を備える。【選択図】図4
ELECTRIC POWER CONVERSION SYSTEM FOR RAILWAY VEHICLE
鉄道車両用電力変換装置
2017-12-14
Patent
Electronic Resource
Japanese
VEHICLE ELECTRIC POWER CONVERSION SYSTEM AND RAILWAY VEHICLE
European Patent Office | 2015
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