Power Allocation Strategy for Battery Energy Storage System Considering Consistency of State of Health and State of Charge of Energy Storage Units

被引：0
|
作者：
Duan S. [1 ]
Yu H. [1 ]
Liu C. [2 ]
Wang M. [3 ]
Wang S. [1 ]
Xia B. [4 ]
机构：
[1] Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology, Ministry of Education (Northeast Electric Power University), Jilin
[2] Siping Power Supply Company of State Grid Jilin Electric Power Co., Ltd., Siping
[3] Changchun Power Supply Company of State Grid Jilin Electric Power Co., Ltd., Changchun
[4] Yichun Power Supply Company of State Grid Jiangxi Electric Power Co., Ltd., Yichun
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 05期
基金：
中国国家自然科学基金;
关键词：
battery energy storage system (BESS); consistency; energy storage unit; power allocation; state of charge (SOC); state of health (SOH);
D O I：
10.7500/AEPS20220628004
中图分类号：
学科分类号：
摘要：
Aiming at the inconsistency of the state of health (SOH) and the state of charge (SOC) of energy storage units caused by irregular charging and discharging of a large battery energy storage system (BESS) composed of multiple energy storage units, the relationship between SOH difference in energy storage units and SOC consistency is studied. Combining the prioritization of charging and discharging and adaptive mutation particle swarm optimization (AMPSO) algorithm, a BESS power allocation strategy considering the consistency of SOH and SOC of energy storage units is proposed. Based on the measured data of the grid-connected demonstration platform of centralized microgrid with common DC-bus including the BESS, wind/photovoltaic power generation, electric vehicle and conventional loads, the proposed power distribution control strategy is compared with the traditional distribution control strategies. The simulation results show that the proposed control strategy can effectively improve the SOC consistency, prolong the service life and reduce the operation loss of the energy storage unit, as well as enhance the bidirectional regulation capability of the BESS. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：65 / 73
页数：8
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