POWER CONDITIONER

PROBLEM TO BE SOLVED: To provide a power conditioner, including: a power input part connected with a power generation part, a power conversion part for converting DC power input into the power input part into AC power interconnecting to a power system; a control part for controlling a power conversi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OGURA AKIHIRO, UCHIKURA SEIJI
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power conditioner, including: a power input part connected with a power generation part, a power conversion part for converting DC power input into the power input part into AC power interconnecting to a power system; a control part for controlling a power conversion operation of the power conversion part; and an input current detection part for outputting, into the control part, a detection signal corresponding to an input current of the DC power input into the power input part, the power conditioner being capable of detecting reverse connection of the power generation part even when reverse connection of the power generation part with the power input part causes no power supply from the power generation part to the control part.SOLUTION: By receiving power supply from any predetermined power supply 4 other than a power generation part 2 to operate a control part 6, it can be determined whether or not connection of the power generation part 2 with the power input part 3 is reverse on positive and negative sides even when the power generation part 2 is not properly connected.SELECTED DRAWING: Figure 1 【課題】発電部が接続される電力入力部と、電力入力部に入力された直流電力を電力系統に連系する交流電力に変換する電力変換部と、電力変換部の電力変換動作を制御する制御部と、電力入力部に入力される直流電力の入力電流に応じた検出信号を制御部に出力する入力電流検出部とを備えるパワーコンディショナにおいて、発電部が電力入力部に逆接続されることで発電部から制御部に電力供給がなされないときであっても、発電部の逆接続を検出可能にする。【解決手段】発電部２以外の所定の電源４から電力供給を受けて制御部６を動作させることにより、発電部２が正しく接続されていないときでも、電力入力部３への発電部２の接続が正負逆接続であるか否かの判定動作を行えるようにする。【選択図】図１