A Decentralized Secondary Voltage Control and Unbalance Voltage Compensation Method in Islanded Microgrids

被引：0
作者：
Shi, Yidong [1 ]
Liu, Zeng [1 ]
Liu, Jinjun [1 ]
Wang, Wenchen [1 ]
机构：
[1] Xian Jiaotong Univ Xian, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
来源：
IEEE 15TH INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS, PEDG 2024 | 2024年
关键词：
secondary voltage control; unbalance voltage compensation; decentralized; signal injection; microgrids; POWER CONVERTERS; FREQUENCY;
D O I：
10.1109/PEDG61800.2024.10667402
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In order to stabilize the voltage and improve the power quality at the point of common coupling (PCC), a decentralized voltage compensation method is proposed for secondary voltage control and unbalance voltage compensation based on the small-ac-signal (SACS) injection. Compared with the previous SACS injection based decentralized voltage control method, the proposed method fully utilizes only one injected SACS to achieve both secondary voltage control and unbalance voltage compensation simultaneously, which reduces the control complexity and total harmonic distortion at PCC. Meanwhile, this method is completely independent of communication links and remains effective under inaccurate PCC voltage estimation, making it suitable for practical applications. The simulation and experimental results demonstrate the effectiveness of the proposed method.
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页数：6
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