ENERGY STORAGE SYSTEM AND OPERATION METHOD THEREOF

An energy storage system, including: a first switch and a first inductor connected in series and connected to a positive electrode of an external DC system; a pre-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; a pre...

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Bibliographische Detailangaben
Hauptverfasser:	YAN, Bing, WANG, Yang, LIU, Xiaohu, LIU, Rucheng, LOU, Zhenshen, WEN, Xiaoling, GUAN, Zenglun, LI, Zicheng, LIU, Jian, ZHANG, Zhongwen, QIN, Shihong
Format:	Patent
Sprache:	eng
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:	An energy storage system, including: a first switch and a first inductor connected in series and connected to a positive electrode of an external DC system; a pre-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; a pre-charge circuit, a fourth switch, and a super-capacitor sequentially connected in series, two terminals of a series structure resulting therefrom being connected to the third terminal of the pre-stage bidirectional buck-boost conversion circuit and the negative electrode of the external DC system, respectively; a post-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; and a battery, a second switch, and a second inductor connected in series.