ELECTRIC POWER CONVERSION DEVICE

PROBLEM TO BE SOLVED: To provide an electric power conversion device detachably storing plural stack units and a preliminary stack unit in a panel capable of, when the stack unit fails, preventing erroneous insertion of an output conductor into the preliminary stack unit by using output conductors h...

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Bibliographische Detailangaben
1. Verfasser:	KAGAMI AKIRA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electric power conversion device detachably storing plural stack units and a preliminary stack unit in a panel capable of, when the stack unit fails, preventing erroneous insertion of an output conductor into the preliminary stack unit by using output conductors having different shapes for respective phases on a failed stack unit.SOLUTION: When a U-phase stack unit 100 gets failed, a power switch SW1 of the U-phase stack unit is turned OFF. A U-phase output conductor 18 connecting a U-phase output terminal 17 to a U-phase output BUS; and a signal line 61 connecting a gate signal input section 14 to a U-phase control section 60a are removed. An output terminal 47 of a preliminary stack unit 400 and an output BUS 49a are connected by using the removed U-phase output conductor 18; and a signal input section 44 and the U-phase control section 60a are connected by using the removed signal line 61. 【課題】複数のスタックユニット及び予備スタックユニットを盤に着脱可能に収納した電力変換装置において、上記スタックユニットに障害が発生した場合、当該障害が発生したスタックユニットの相ごとに形状が異なる出力導体を上記予備スタックユニットに用いることにより誤挿入の防止が可能な電力変換装置を提供すること。【解決手段】Ｕ相スタックユニット１００に障害が発生した場合、当該Ｕ相スタックユニットの電源スイッチＳＷ１をＯＦＦにする。Ｕ相出力端子１７とＵ相出力ＢＵＳを接続するＵ相出力導体１８及びゲート信号入力部１４とＵ相制御部６０ａを接続する信号線６１を取り外す。次に、予備スタックユニット４００の出力端子４７と出力ＢＵＳ４９ａ間を上記取り外したＵ相出力導体１８で接続すると共に、信号入力部４４とＵ相制御部６０ａを取り外した信号線６１で接続する。【選択図】図１