PROBLEM TO BE SOLVED: To provide an electric power conversion system for a railway vehicle having a structure which reduces noise level leaking to a vehicle side surface side without reducing the quantity of cooling air.SOLUTION: An electric power conversion system includes: a blower which takes cooling air from an intake port provided on a vehicle side surface of the electric power conversion system for a vehicle; and a dustproof filter which is provided in the intake port and prevents dust from entering into the blower. In the electric power conversion system, a semiconductor element forming a power conversion circuit is cooled by the cooling air taken from the intake port. A sound insulation material having an opening part in a part thereof is installed between the blower and the dustproof filter.SELECTED DRAWING: Figure 1
【課題】冷却風量を低減させることなく車両側面側へ漏洩する騒音レベルを低減する構造を有した鉄道車両用電力変換装置を提供することを目的とする。【解決手段】車両用電力変換装置の車両側面に設けられた吸気口から冷却風を取り込む送風機と、吸気口に備えられて、送風機への塵埃の進入を防ぐ防塵フィルタとを備え、吸気口から取り込んだ冷却風によって電力変換回路を構成する半導体素子を冷却する電力変換装置であって、送風機と防塵フィルタとの間に、一部に開口部を有する遮音材が設置される【選択図】図1
ELECTRIC POWER CONVERSION SYSTEM AND RAILWAY VEHICLE INCLUDING THE SAME
電力変換装置及びこれを備えた鉄道車両
07.07.2016
Patent
Elektronische Ressource
Japanisch
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