STORAGE BATTERY SYSTEM

To provide a storage battery system capable of suppressing cost of a power conditioner.SOLUTION: A storage battery system A1 connected to a DC side of a power conditioner 3 has: a DC/DC conversion device 12 having a DC/DC conversion circuit 121 in which a solar battery 2 is connected to an input sid...

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Bibliographische Detailangaben
Hauptverfasser:	ISOZUMI KENTA, OHORI AKIHIRO, KAWAMOTO TETSUHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	To provide a storage battery system capable of suppressing cost of a power conditioner.SOLUTION: A storage battery system A1 connected to a DC side of a power conditioner 3 has: a DC/DC conversion device 12 having a DC/DC conversion circuit 121 in which a solar battery 2 is connected to an input side and the power conditioner 3 is connected to an output side, and a control circuit 122 controlling the DC/DC conversion circuit 121; a storage battery 11 connected to a DC bus 4 connecting the DC/DC conversion circuit 121 and the power conditioner 3; and a control device 13 controlling output power of the DC/DC conversion device 12 according to a state of the storage battery 11.SELECTED DRAWING: Figure 1 【課題】パワーコンディショナのコストを抑制可能な蓄電池システムを提供する。【解決手段】パワーコンディショナ３の直流側に接続される蓄電池システムＡ１において、入力側に太陽電池２が接続され、かつ、出力側にパワーコンディショナ３が接続されるＤＣ／ＤＣ変換回路１２１、および、ＤＣ／ＤＣ変換回路１２１を制御する制御回路１２２を有するＤＣ／ＤＣ変換装置１２と、ＤＣ／ＤＣ変換回路１２１とパワーコンディショナ３とを接続する直流バス４に接続される蓄電池１１と、蓄電池１１の状態に応じて、ＤＣ／ＤＣ変換装置１２の出力電力を制御する制御装置１３とを備えた。【選択図】図１