月刊
ISSN 1000-7229
CN 11-2583/TM
电力建设 ›› 2023, Vol. 44 ›› Issue (3): 113-121.doi: 10.12204/j.issn.1000-7229.2023.03.012
收稿日期:
2022-04-18
出版日期:
2023-03-01
发布日期:
2023-03-02
作者简介:
黎静华(1982),女,博士,教授,主要研究方向为综合能源系统优化运行与规划、新能源并网技术等,E-mail: happyjinghua@163.com基金资助:
LI Jinghua(), ZHU Zhenduo, LAN Fei
Received:
2022-04-18
Online:
2023-03-01
Published:
2023-03-02
Supported by:
摘要:
为提高微电网频率响应的动态性能,提出一种基于协同控制理论的微电网频率稳定性控制策略。根据微电网频率特性与微源的调频特性,基于协同控制理论构建含有系统动态性能及控制指标的宏变量,由定义的控制流形推导出微电网频率调节的协同控制律,设计了一种微电网协同控制器。其中储能装置在系统受到扰动时迅速参与调频,通过释放或吸收功率,减小频率的恶化程度,同时柴油发电机根据储能功率变化量与系统频率对微电网的功率进行调节,保证了微源侧供电的可靠性。最后基于MATLAB/Simulink软件搭建仿真平台,对所设计的控制策略进行验证,对比分析了不同控制方式下微电网调频效果。仿真结果表明所提出的协同控制器可以在微电网功率发生扰动时,充分利用微源的调频特性,快速平抑微电网内功率不平衡产生的频率波动。
中图分类号:
黎静华, 朱振铎, 兰飞. 基于协同控制理论的微电网频率控制[J]. 电力建设, 2023, 44(3): 113-121.
LI Jinghua, ZHU Zhenduo, LAN Fei. Microgrid Frequency Control Based on Cooperative Control Theory[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(3): 113-121.
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