POWER COORDINATED CONTROL AND HARMONIC COMPENSATION OF ELECTRICITY-HYDROGEN ENERGY MICROGRID CLUSTERS

被引：0
|
作者：
Xu W. [1 ]
Wang B. [1 ]
Liu J. [2 ]
Xia Z. [1 ]
机构：
[1] School of Information Science and Engineering, Wuhan University of Science and Technology, Wuhan
[2] School of Electrical and Information, Wuhan University of Technology, Wuhan
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2024年 / 45卷 / 06期
关键词：
converter; harmonic compensation; hierarchical power coordinated control; hydrogen energy; hydrogen production; microgrid;
D O I：
10.19912/j.0254-0096.tynxb.2023-0218
中图分类号：
学科分类号：
摘要：
Aiming at the problem of efficiently consuming ahigh proportion of renewable energy under the dual carbon goals，hydrogen production through water electrolysis is connected to the microgrid clusters as resilient load，and the electricity-hydrogen energy microgrid clusters is established，and the power coordinated control and power quality improvement strategyies are proposed. Firstly，the power coupling mechanism of AC/DC subgrid is analyzed，a bidirectional power control method considering subnet priority is established based on the interlinking converter，and the resilient load is connected to the low-priority subgrid，and a hierarchical power coordination control strategy based on real-time operation state-deviation in each-subgrid calculation is proposed. Then，aiming at the harmonic problem introduced by the rectifier for hydrogen production through water electrolysis，a control technology based on real-time load impedance estimation and droop control of multiple interconnected converters to improve power quality is proposed. Finally，through the Matlab/Simulink software platform，a ring connection microgrid clusters is built，and the experimental results show that the proposed strategy has fast dynamic response，which verifies the effectiveness of the power coordinated control and harmonic compensation strategies. © 2024 Science Press. All rights reserved.
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页码：201 / 207
页数：6
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