浙江电力

2017, v.36;No.257(09) 19-23

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基于虚拟同步电机的负荷变流器控制方法研究
Research on Load Converter Control Method Based on Virtual Synchronous Motor

何光辉,张仰飞,董天雄,陈光宇,纪思
HE Guanghui,ZHANG Yangfei,DONG Tianxiong,CHEN Guangyu,JI Si

摘要(Abstract):

随着大量负荷变流器接入电网,电网逐步发展为以电力电子变换器为主导的低惯量、欠阻尼网络,电网的稳定性和安全性受到严峻考验。负荷作为电网的参与者,也应当承担维护电网稳定的责任。基于虚拟同步电机技术,提出了一种负荷变流器控制方法,介绍了该控制方法的基本原理,阐述了有功/频率、无功/电压调节的控制方法,并在3种工况下进行了Matlab/Simulink仿真。仿真结果表明该方法可实现负荷与电网的互动,有利于促进电网电压的稳定性,验证了该方法的可行性和有效性。
With grid integration of a large number of load converters, power grid is gradually developing into a low inertia and less damped network dominated by power electronic converters and faces severe stability and safety challenges. As a participant in the grid, load should also be responsible for maintaining the stability of the grid. Based on the virtual synchronous motor technology, this paper presents a load converter control method and introduces basic principles of the control method; besides, it elaborates on an active/frequency and reactive/voltage regulation control method and carries out Matlab/Simulink simulation in three different operating conditions. The simulation result shows that the method can realize the interaction between the load and the grid, and is conducive to grid voltage stability promotion. Feasibility and effectiveness of the method are verified.

关键词(KeyWords): 虚拟同步电机;负荷变流器;互动;稳定性
virtual synchronous motor;load converter;interaction;stability

Abstract:

Keywords:

基金项目(Foundation): 江苏省配电网智能技术与装备协同创新中心开放基金资助项目(XTCX201713)

作者(Author): 何光辉,张仰飞,董天雄,陈光宇,纪思
HE Guanghui,ZHANG Yangfei,DONG Tianxiong,CHEN Guangyu,JI Si

DOI: 10.19585/j.zjdl.201709004

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