BATTERY ENERGY STORAGE CONVERTER BASED ON PARTIAL POWER CONVERSION STABILITY ANALYSIS

被引：0
|
作者：
Wu, Yucheng [1 ]
Jing, Long [1 ]
Song, Guanghui [2 ]
Sun, Ruidong [1 ]
Liu, Qian [1 ]
Wu, Xuezhi [1 ]
机构：
[1] National Energy Active Distribution Network Technology R&D Center, Beijing Jiaotong University, Beijing,100044, China
[2] Guohua(Qixia)Wind Power Co., Ltd., Yantai,264000, China
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2025年 / 46卷 / 01期
关键词：
Control system stability - Feedforward control;
D O I：
10.19912/j.0254-0096.tynxb.2023-1464
中图分类号：
学科分类号：
摘要：
In order to improve the efficiency and safety of battery energy storage system, an energy storage optimization scheme based on partial power conversion(PPC)technology is proposes in this paper. Due to the coupling effect between the battery series end and the bus end in the series part power converter structure, impedance modeling of this topology is fully considered this influence to provide a theoretical basis for system stability analysis. Aiming at the instability of the system under the condition of battery discharge, by performing system control diagram equivalence transformation, an input voltage feedforward control-based energy storage converter impedance reshaping control strategy is proposed to improve the stability of the battery energy storage system. This strategy can meet the stability requirement of matching the system impedance without affecting the closed-loop dynamic of the converter. Finally, the system simulation is completed, the experimental platform is built to verify the validity and practicability of the proposed energy storage converter scheme and control method. © 2025 Science Press. All rights reserved.
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页码：269 / 278
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