微电网动态稳定性研究述评

发布时间：2018-04-23 17:45

本文选题：微电网 + 分布式电源　；参考：《电工技术学报》2017年10期

【摘要】：在微电网内部,电力电子变换器接口型分布式电源广泛存在。电力电子接口微源与传统交流同步发电机在功率变换、控制策略和动态特性方面差异性较大,控制方法的多样性以及电力电子接口微源的高渗透率将给低惯量微电网的安全稳定运行带来严峻挑战。同时,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于传统电力系统的动态响应特性,并诱发稳定性问题。首先对近年来国内外微电网稳定性的研究进行评述,归纳总结可再生能源渗透率不断提升下微电网典型运行特性和存在的动态稳定性问题;在微电网动态稳定性分类的基础上,分别从微电网动态稳定问题和微电网动态稳定分析方法两方面对微电网稳定性的研究动态进行分析、评价和探讨;最后,预测和探讨了微电网稳定性研究的发展趋势。
[Abstract]:In microgrid, power electronic converter interface distributed generation widely exists. The power electronic interface microsource differs greatly from the traditional AC synchronous generator in power conversion, control strategy and dynamic characteristics. The diversity of control methods and the high permeability of power electronic interface microsource will bring serious challenges to the safe and stable operation of low inertia microgrid. At the same time, multi-type micro-source and multi-type load coexist in microgrid, which may lead to source-source coupling interaction, inter-load interaction and source-load interaction. The interaction between devices with different characteristics will reshape the dynamic response characteristics different from the traditional power system and induce stability problems. Firstly, the research on microgrid stability at home and abroad in recent years is reviewed, and the typical operating characteristics and dynamic stability problems of microgrid under the increasing renewable energy permeability are summarized, which are based on the classification of dynamic stability of microgrid. The dynamic stability of microgrid is analyzed, evaluated and discussed from two aspects: dynamic stability problem of microgrid and dynamic stability analysis method of micro-grid. Finally, the development trend of microgrid stability research is predicted and discussed.
【作者单位】：华南理工大学电力学院;广东省绿色能源技术重点实验室(华南理工大学);风电控制与并网技术国家地方联合工程实验室(华南理工大学);
【基金】：国家高技术研究发展计划(863计划)项目(2014AA052001) 广东省科技计划项目(2012B040303005) 广州市南沙区科技计划项目(2013P005) 南方电网科学研究院科技项目(SEPRI-K143003) 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
【分类号】：TM727

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