郑州轻工业大学 电气信息工程学院,河南 郑州 450002
和 萍(1980 —),女,教授,博士,主要研究方向为新能源电力系统稳定分析与控制(E-mail:heping@zzuli.edu.cn);
刘欣妍(2000 —),女,硕士研究生,主要研究方向为新能源电力系统的稳定分析与控制(E-mail:15137829266@163.com);
朱用梁(1996 —),男,博士研究生,主要研究方向为微电网储能调频技术(E-mail:27778004@qq.com)。
收稿:2025-02-08,
修回:2025-06-24,
网络首发:2026-01-13,
纸质出版:2026-03-10
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和萍,刘欣妍,朱用梁等.基于完全分布式自适应事件触发的孤岛微电网二次控制策略[J].电力自动化设备,2026,46(03):60-68.
HE Ping,LIU Xinyan,ZHU Yongliang,et al.Fully distributed adaptive event-triggered secondary control strategy for islanded microgrids[J].Electric Power Automation Equipment,2026,46(03):60-68.
和萍,刘欣妍,朱用梁等.基于完全分布式自适应事件触发的孤岛微电网二次控制策略[J].电力自动化设备,2026,46(03):60-68. DOI: 10.16081/j.epae.202512031.
HE Ping,LIU Xinyan,ZHU Yongliang,et al.Fully distributed adaptive event-triggered secondary control strategy for islanded microgrids[J].Electric Power Automation Equipment,2026,46(03):60-68. DOI: 10.16081/j.epae.202512031.
针对孤岛微电网中多台虚拟同步发电机(VSG)并联运行的频率恢复与功率共享问题,提出一种分布式自适应事件触发协同控制策略。基于非线性异构多智能体理论,所设计的分布式二次控制器通过局部采样状态信息可实现多台VSG频率渐进收敛至其额定值。为了进一步减轻通信负担,减少对通信结构全局信息的依赖,通过引入自适应参数,设计了完全分布式自适应事件触发机制。通过证明任意2个事件的触发时刻间隔是严格正下界,避免了芝诺(Zeno)行为的发生。相较于传统下垂分布式二次控制策略,所提方案能为微电网提供虚拟惯量;相较于现有的VSG分布式二次控制策略,所提方案无需通信网络全局结构信息并具有良好的抗干扰能力。基于MATLAB/Simulink仿真平台建立孤岛微电网系统,仿真结果验证了所提控制策略的有效性与优越性。
A distributed adaptive event-triggered cooperative control strategy is proposed to tackle the challenges of frequency restoration and power sharing in the parallel operation of multiple virtual synchronous generators(VSGs) within an islanded microgrid. Based on the nonlinear heterogeneous multi-agent theory,the designed distributed secondary controller enables the asymptotic convergence of multiple VSG frequencies to their rated values by locally sampled state information. To further mitigate the communication overhead and eliminate reliance on global information of the communication topology,a fully distributed adaptive event-triggered mechanism is constructed through the incorporation of adaptive parameters. By demonstrating that the time interval between any two consecutive event triggering instants possesses a strictly positive lower bound,the occurrence of Zeno behavior is precluded. In comparison with the conventional droop-based distributed secondary control strategy,the proposed scheme is capable of providing virtual inertia for the microgrid. And relative to the existing distributed secondary control strategies for VSG,the proposed scheme dispenses with the requirement for global structural information of the communication network and exhibits superior anti-disturbance ability. An islanded microgrid is established on the MATLAB/Simulink simulation platform,and the simulative results validate the effectiveness and predominance of the proposed control strategy.
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