引用本文:赵卓立,杨苹,许志荣,王月武.多源多变换微电网系统建模与动态稳定分析方法[J].控制理论与应用,2017,34(8):1062~1073.[点击复制]
ZHAO Zhuo-li,YANG Ping,XU Zhi-rong,WANG Yue-wu.Modeling and dynamic stability analysis method of microgrids with multiple energy resources and multiple conversions[J].Control Theory and Technology,2017,34(8):1062~1073.[点击复制]
多源多变换微电网系统建模与动态稳定分析方法
Modeling and dynamic stability analysis method of microgrids with multiple energy resources and multiple conversions
摘要点击 2238  全文点击 1846  投稿时间:2016-10-09  修订日期:2016-12-28
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DOI编号  10.7641/CTA.2017.60740
  2017,34(8):1062-1073
中文关键词  微电网  多源多变换  分布式电源  电力电子变换器  动态建模  动态稳定性分析
英文关键词  microgrids  multiple energy resources and multiple conversions  distributed generation  power electronic converters  dynamic modeling  dynamic stability analysis
基金项目  国家高技术研究发展计划项目(“863”计划)(2014AA052001), 广东省科技计划项目(2012B040303005), 南方电网科学研究院科技项目(SEPRIK143003),广州市南沙区科技计划项目(2013P005), 国家留学基金管理委员会资助联合培养博士研究生项目(201406150017)资助.
作者单位E-mail
赵卓立* 华南理工大学 电力学院 zhuoliscut@gmail.com 
杨苹 华南理工大学 电力学院  
许志荣 华南理工大学 电力学院  
王月武 华南理工大学 电力学院  
中文摘要
      微电网内部电力电子变换器接口型分布式电源广泛存在. 电力电子接口微源具备与传统电力系统电源拓 扑结构、控制方法和动态特性的差异性, 控制方法的多样性、电力电子接口微源高渗透率将给低惯量微电网的协调 控制和安全稳定运行带来严峻的挑战. 多类型微源、多类型负荷在微电网内混合共存, 可能引发源源耦合交互、负 荷间交互以及源荷交互, 不同特性的设备间相互作用将重新塑造区别与传统电力系统的动态响应特性, 并诱发稳定 性问题. 本文首先归纳总结可再生能源渗透率不断提升下多源多变换微电网典型运行特性和存在的稳定性问题, 详 细阐述了含风光柴储多源多变换接口的微电网模块化动态建模方法. 在此基础上, 给出了用于微电网动态稳定分 析的特征值分析方法和基本步骤. 以珠海东澳岛多源多变换智能微电网为对象, 基于提出的动态建模方法和动态 稳定分析方法, 给出建模与分析讨论结果. 论文对多源多变换微电网系统动态稳定分析方法的论述可为微电网的广 泛推广和应用提供建模和分析理论基础.
英文摘要
      Power-electronic-converter (PEC) based distributed generations (DGs) are widespread in microgrids, and they differs significantly from the conventional synchronous generators in control schemes and dynamic characteristics. The diversity of DG control methods and the increasing penetration of PEC DGs are leading to various challenges in coordinated control and stable operation of low-inertia microgrids. The coexistence of heterogeneous microsources and loads within the microgrid may result in interactions among the DGs and loads. The coupling among the devices with different characteristics reshape the dynamic responses of the microgrids and induce stability issues. In this paper, firstly, typical operating characteristics and stability issues of the microgrids with increasing penetrations of renewable energy resources are summarized. The modularized dynamic modeling method of microgrid with multiple energy resources and multiple conversions interface is described in detail. On this basis, the eigenvalue analysis method and basic steps for dynamic stability analysis of microgrid are given. Furthermore, the proposed dynamic modeling and dynamic stability analysis method are adopted to model and analyze the Dongao Island smart microgrid. The discussion of the dynamic stability analysis method of the multiple energy resources and multiple conversions microgrid system can provide the theoretical foundation for the modeling and analysis of the microgrid extension and application.