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摘要:With the development of new energy sources, new energy microgrid brings many advantages, but also causes power quality problems such as voltage fluctuations and harmonic pollution. The proposed electric spring(ES) can effectively alleviate the intermittent and unstable problems of new energy power generation, reduce the impact of voltage fluctuations on critical loads, and improve power quality. Firstly, the paper introduces the working principle and modeling of ES system. Then, based on the phase control algorithm, two control strategies, the traditional double-closed-loop control, quasi-proportional resonance control and grid voltage feed-forward compatible control, are analyzed and studied. Finally, the simulation model of the system is built, and the simulation results under the two control strategies are compared. The results show that the latter has better steady-state, dynamic and harmonic suppression performances.
会议名称:

第三十八届中国控制会议

会议时间:

2019-07-27

会议地点:

中国广东广州

  • 专辑:

    工程科技Ⅱ辑; 信息科技

  • 专题:

    电力工业; 自动化技术

  • 分类号:

    TM714.2;TP273

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