| 引用本文: | 林燎源,柯全,李平.面向逆变器并联的虚拟振荡器控制技术综述[J].电力自动化设备,2022,42(11): |
| LIN Liaoyuan,KE Quan,LI Ping.Review of virtual oscillator control techniques for parallel operation of inverters[J].Electric Power Automation Equipment,2022,42(11): |
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| 摘要: |
| 虚拟振荡器控制作为继下垂控制和虚拟同步机控制之后提出的新型多逆变器无互联线并联技术，因其独特的自同步机制和快速的动态响应性能等特点而成为当前的研究热点。从控制结构、多机同步运行机制和动力学特性方面论述了虚拟振荡器的控制原理；从功率控制策略、小信号稳定性、新型虚拟振荡器方案3个方面对虚拟振荡器控制技术的研究现状进行了全面综述；分析并总结了虚拟振荡器控制与下垂控制、虚拟同步机控制的对比研究。结合目前虚拟振荡器控制面临的若干关键问题，对未来研究方向和可能的相关解决思路进行了探讨。 |
| 关键词: 虚拟振荡器 逆变器 并联 功率控制 同步 |
| DOI：10.16081/j.epae.202209024 |
| 分类号:TM464 |
| 基金项目:国家自然科学基金资助项目(52007068)；中央高校基本科研业务费专项资金资助项目(ZQN-1007) |
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| Review of virtual oscillator control techniques for parallel operation of inverters |
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LIN Liaoyuan, KE Quan, LI Ping
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College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China
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| Abstract: |
| VOC(Virtual Oscillator Control) is a new type of parallel technology of inverters without interconnections proposed after droop control and VSG(Virtual Synchronous Generator) control. It has become a current research focus because of its unique self-synchronization mechanism and fast dynamic response performance. The control mechanism of VOC is discussed from the aspects of control structure, synchronization mechanism and dynamic characteristics. The VOC technology is comprehensively reviewed in terms of power control strategy, small signal stability, and novel VOC schemes. The comparative study of VOC, droop control and VSG control are introduced and summarized. Considering several key issues faced by VOC, the future research directions and possible related solutions are discussed. |
| Key words: virtual oscillator electric inverters parallel power control synchronization |
