POWER SYSTEM AND CONTROL METHOD OF POWER SYSTEM

To provide a power system including multiple assembled batteries connected in parallel capable of charging all assembled batteries to full charge while executing equalization control on a fully charged assembled battery.SOLUTION: A power system P includes multiple battery units Bu connected in paral...

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Bibliographische Detailangaben
1. Verfasser:	KIKUCHI YOSHITERU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	To provide a power system including multiple assembled batteries connected in parallel capable of charging all assembled batteries to full charge while executing equalization control on a fully charged assembled battery.SOLUTION: A power system P includes multiple battery units Bu connected in parallel. The battery unit Bu includes a battery pack 1 and a converter 2. A control unit 3 controls the converter 2 to charge the battery unit Bu (battery pack 1) until the same is fully charged. When the battery unit Bu (battery pack 1) is fully charged, the control unit executes equalization control for equalizing the voltage between cells in the battery pack 1 (assembled battery).SELECTED DRAWING: Figure 1 【課題】並列に接続された複数の組電池からなる電源システムにおいて、すべての組電池を満充電まで充電可能とし、満充電状態の組電池において均等化制御を実行可能にする。【解決手段】電源システムＰは、並列に接続された複数の電池ユニットＢｕから構成される。電池ユニットＢｕは、バッテリパック１とコンバータ２とを含む。制御装置３は、コンバータ２を制御して、電池ユニットＢｕ（バッテリパック１）を満充電まで充電する。そして、電池ユニットＢｕ（バッテリパック１）が満充電になると、バッテリパック１（組電池）のセル間の電圧を均等化する均等化制御を実行する。【選択図】図１