A review on the small signal stability of microgrid
A review on the small signal stability of microgrid
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DOI：
10.1109/ipemc.2016.7512566
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发表时间：
2016-05
期刊：
影响因子：
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通讯作者：
Shuya Wang;Jianhui Su;Xiangzhen Yang;Yan Du;Yong Tu;Huadian Xu
中科院分区：
文献类型：
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作者：
Shuya Wang;Jianhui Su;Xiangzhen Yang;Yan Du;Yong Tu;Huadian Xu
小信号稳定性是微电网运行和控制的关键问题。对于基于逆变器的微电网的小信号稳定性，现有的分析方法主要有利用状态空间模型的特征值分析、基于阻抗模型的阻抗分析以及其他非线性分析方法。本文综述了这些分析方法以及各自的优缺点。最后，针对小信号稳定性的提高，总结了控制器参数优化、下垂控制改进以及分级控制策略优化设计等方面的研究情况。
Small signal stability is the key issue in the operation and control of a microgrid. For the small signal stability of an inverter-based microgrid, existing analysis methods mainly contain eigenvalue analysis using state-space models, impedance analysis based on impedance models and other nonlinear analysis methods. This paper reviews these analytical methods as well as their respective advantages and disadvantages. Finally, for the improvement of the small signal stability, this paper summarizes the research situation in terms of the optimization of controller parameters, the improvement of droop control and the optimized design of hierarchical control strategy.