Research on Balancing Technology of Battery Management System of High-capacity Energy Storage System
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Abstract
The consistency of battery pack is a critical problem of high-capacity battery energy storage system. The balancing technology of battery management system is an effective solution to this problem. This paper made research on battery management system balancing technology of high-capacity energy storage system. Balancing technologies within the battery module, between the modules, within the phase and between the phases of battery system were introduced and discussed. The construction and realisation of 4-level balancing system were described. Through the application of 4-level balancing system of battery system, the effective dynamic balance of different levels of battery system was achieved, which has provided technical support for the long-life and effective utilisation of higher capacity battery system.
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