Adaptive control strategy for energy storage battery output with inconsistent performance

doi:10.12028/j.issn.2095-4239.2019.0094

Abstract

Abstract: In order to improve the frequency modulation effect of the energy storage battery with different performance on the power grid and solve the problem of overcharge and over discharge of the battery during the frequency modulation process, an adaptive control strategy based on doublelayer fuzzy device is proposed. The performance of the energy storage battery with inconsistent performance can better maintain the state of charge (SOC) of the battery while meeting the frequency modulation requirements of the power grid, avoiding overcharge and over discharge, thereby prolonging the cycle life and improving the economy of the energy storage battery. Comparing the results of the example with the traditional method, the superiority of the proposed control strategy is verified, especially for the performance of the poor performance of the energy storage battery SOC state is better than the traditional method.

Key words: energy storage battery, frequency modulation control strategy, inconsistent performance, state of charge, double-layer fuzzy control

CLC Number:

TM464

JIN Ruijiu, ZHANG Xiangfeng, WANG Zhijie. Adaptive control strategy for energy storage battery output with inconsistent performance[J]. Energy Storage Science and Technology, 2019, 8(6): 1253-1259.

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