PROBLEM TO BE SOLVED: To provide an electric power conversion system capable of reducing the size, and surely cooling a capacitor.SOLUTION: An electric power conversion device comprises: a first electric conversion part 100 including a first cooling device 106 and a first power semiconductor module 101; a second electric power conversion part 400 including a second cooling device 406 and a second power semiconductor module 401; a capacitor 131 that is electrically connected to the first and second power semiconductor modules; wiring conductors 111 and 121 that connect the capacitor to the first and second power semiconductor modules; and a supporting member 171 that supports the first and second electric power conversion parts. The capacitor is positioned between the first and second electric power conversion parts and is positioned at a space surrounded by the first electric power conversion part, the second electric power conversion part, the wiring conductor, and the supporting member. The space forms a ventilation trunk.SELECTED DRAWING: Figure 1a
【課題】小型化が可能で、かつコンデンサを確実に冷却できる電力変換装置を提供する。【解決手段】電力変換装置は、第1の冷却器106と第1のパワー半導体モジュール101とを含む第1の電力変換部100と、第2の冷却器406と第2のパワー半導体モジュール401とを含む第2の電力変換部400と、第1および第2のパワー半導体モジュールに電気的に接続されるコンデンサ131と、コンデンサを第1および第2のパワー半導体モジュールに接続する配線導体111,121と、第1および第2の電力変換部を支持する支持部材171と、を備え、コンデンサは、第1および第2の電力変換部間に位置すると共に、第1の電力変換部と、第2の電力変換部と、配線導体と、支持部材とによって囲まれる空間に位置し、この空間が通風路を構成する。【選択図】図1a
ELECTRIC POWER CONVERSION SYSTEM AND ELEVATOR
電力変換装置およびエレベータ
2017-06-29
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 / B66B Aufzüge , ELEVATORS |
ELECTRIC POWER CONVERSION DEVICE AND ELEVATOR CONTROL PANEL
European Patent Office | 2022
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