Grid‑connected control of direct‑driven permanent magnet wind turbine based on dual compensation droop and multiple quasi‑proportional‑resonances
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(School of Automation, Beijing Information Science & Technology University, Beijing 100192, China)

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TM614

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    Abstract:

    To achieve safe and stable grid connection of the direct-driven permanent magnet wind power generation system, a grid-connection control strategy combining dual compensation droop with multiple quasi-proportional-resonances (MQPR) is proposed. This strategy originates from traditional droop control, introduces DC voltage compensation in the voltage control loop to quickly adjust and stabilize the DC bus voltage, and introduces capacitive current compensation in the current control loop to effectively reduce the impact of current errors caused by filter capacitors. Meanwhile, a MQPR controller is designed to replace the PI controller of the inner-loop current, which can filter out multiple harmonic currents in the system. By establishing a simulation model and comparing it with the double closed-loop PI and traditional droop control strategies, the effectiveness of the proposed control strategy is verified.

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李 慧,李珠林,刘思嘉,范新桥,祁 鲲.基于双补偿下垂—MQPR的直驱式风电机组并网控制[J].电力科学与技术学报英文版,2024,(3):142-149. LI Hui, LI Zhulin, LIU Sijia, FAN Xinqiao, QI Kun. Grid‑connected control of direct‑driven permanent magnet wind turbine based on dual compensation droop and multiple quasi‑proportional‑resonances[J]. Journal of Electric Power Science and Technology,2024,(3):142-149.

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  • Received:
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  • Online: July 25,2024
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