Circuit connection method for improving power loop efficiency of energy storage battery cluster

Circuit connection method for improving power loop efficiency of energy storage battery cluster

The invention discloses a circuit connection method for improving the power loop efficiency of an energy storage battery cluster, and relates to the field of energy storage batteries. When a direct current is powered on, a direct current side circuit breaker Q1 is switched on, a battery outputs the...

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Hauptverfasser: YANG MENG, LEI DINGPENG, XIAO ZHIQIANG, WAN YONG, MA JUN
Format: Patent
Sprache:chi ; eng
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CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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creator YANG MENG
LEI DINGPENG
XIAO ZHIQIANG
WAN YONG
MA JUN
description The invention discloses a circuit connection method for improving the power loop efficiency of an energy storage battery cluster, and relates to the field of energy storage batteries. When a direct current is powered on, a direct current side circuit breaker Q1 is switched on, a battery outputs the direct current to supply power to BMS and EMS equipment in a system, and a direct current port of a PCS is provided with the battery to supply power; the equipment is clicked to start, internal pre-charging loops 3K and 4K of the PCS are switched on, and direct current is limited by pre-charging resistors 1R and 2R to flow to an internal support capacitor of the PCS to charge the internal support capacitor of the PCS; and after the voltages at the two ends of the 1K and 2K of the PCS internal contactors are consistent, the 1K and 2K of the PCS internal contactors are switched on, then the 3K and 4K are switched off to complete the starting process, and DCAC inversion/rectification is operated. According to the inve
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When a direct current is powered on, a direct current side circuit breaker Q1 is switched on, a battery outputs the direct current to supply power to BMS and EMS equipment in a system, and a direct current port of a PCS is provided with the battery to supply power; the equipment is clicked to start, internal pre-charging loops 3K and 4K of the PCS are switched on, and direct current is limited by pre-charging resistors 1R and 2R to flow to an internal support capacitor of the PCS to charge the internal support capacitor of the PCS; and after the voltages at the two ends of the 1K and 2K of the PCS internal contactors are consistent, the 1K and 2K of the PCS internal contactors are switched on, then the 3K and 4K are switched off to complete the starting process, and DCAC inversion/rectification is operated. 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subjects CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
title Circuit connection method for improving power loop efficiency of energy storage battery cluster
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