Electromagnetic Transient Modeling Method of Lithium-ion Battery Energy Storage System for Fault Characteristic Analysis

被引：0
|
作者：
Zhang J. [1 ,2 ]
Liu P. [1 ]
Xie X. [1 ]
Yang G. [3 ]
机构：
[1] Department of Electrical Engineering, Tsinghua University, Beijing
[2] State Grid Corporation of China, Beijing
[3] China Electric Power Research Institute, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 07期
关键词：
electromagnetic transient modeling; fault ride-through; lithium-ion battery energy storage system (LiBESS); negative-sequence control; power converter system (PCS);
D O I：
10.7500/AEPS20220315009
中图分类号：
学科分类号：
摘要：
To promote the accommodation and utilization of the renewable energy, the lithium-ion battery energy storage system (LiBESS) has been widely used in power systems, resulting in more complicated fault characteristics. An electromagnetic transient modeling method for LiBESS is proposed. Based on the analysis of the fault characteristics, the power converter system (PCS) and the lithium-ion battery taking the external characteristics and the state of charge (SOC) into account are established. The fault ride-through control loop and negative-sequence control loop are introduced into the control strategy of PCS to realize the fault ride-through and eliminate the fluctuation of DC bus voltage. In addition, the difference in fault characteristics of LiBESS under different charging and discharging modes are analyzed through mechanism analysis and simulation verification. Finally, accuracy of the proposed modeling method is verified based on the electromagnetic transient simulation in PSCAD/EMTDC and hardware-in-loop test in RTDS. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：166 / 173
页数：7
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