Secondary power supply device of liquid cooling medium voltage cascade energy storage system and control method thereof

The invention discloses a secondary power supply device of a liquid cooling medium voltage cascade energy storage system and a control method thereof. The device comprises a first circuit breaker, a voltage stabilization module, a first branch loop, a second branch loop, a third branch loop and a co...

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Hauptverfasser:	REN XINGWANG, PENG PENG, LI YONGQI, CHEN MAN, WAN MINHUI, TAN QIPENG, LIU GUI
Format:	Patent
Sprache:	chi ; eng
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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creator	REN XINGWANG PENG PENG LI YONGQI CHEN MAN WAN MINHUI TAN QIPENG LIU GUI
description	The invention discloses a secondary power supply device of a liquid cooling medium voltage cascade energy storage system and a control method thereof. The device comprises a first circuit breaker, a voltage stabilization module, a first branch loop, a second branch loop, a third branch loop and a control protection loop, the first branch loop provides AC low-voltage voltage for low-voltage side equipment of the cascade energy storage system, and the second branch loop provides DC low-voltage voltage for the low-voltage side equipment of the cascade energy storage system. The third branch loop provides direct-current low voltage for high-voltage side equipment of the cascaded energy storage system and realizes voltage isolation between the secondary power supply device and the high-voltage side equipment; and the control protection loop is used for switching off the second circuit breaker and sending a power supply fault signal to the battery management system when judging that the acquired ground potential of
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subjects	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
title	Secondary power supply device of liquid cooling medium voltage cascade energy storage system and control method thereof
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