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19 October 2023 Additional frequency control strategy of VSC-MTDC system with wind farm
Shuanghua He, Lifeng Zu, Hui Zhou, Kepeng Xia, Yaoling Huang, Yuan Huang, Qiupu Gan
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Proceedings Volume 12709, Fourth International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2023); 127093Q (2023) https://doi.org/10.1117/12.2684553
Event: Fourth International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2023), 2023, Nanjing, China
Abstract
Although the traditional droop control can realize the power support of multiple converter stations at the same time, because the DC system is not sensitive to the frequency of the AC side system, it cannot provide synchronous power in the event of an AC system accident, at the expense of the mutual support of each AC system ability. Considering the frequency adjustment capability of the interconnected system, an additional frequency control strategy for the VSCMTDC system containing wind farms is proposed. This method can make the DC system respond to frequency changes on the AC side, and allow other converter stations to switch to the accident end through droop control. The stream station provides power support to reduce the frequency variation of the accident end system. Finally, the simulation software PSCAD/EMTDC is used to verify the feasibility and effectiveness of the proposed control strategy.
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Citation Download Citation
Shuanghua He, Lifeng Zu, Hui Zhou, Kepeng Xia, Yaoling Huang, Yuan Huang, and Qiupu Gan "Additional frequency control strategy of VSC-MTDC system with wind farm", Proc. SPIE 12709, Fourth International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2023), 127093Q (19 October 2023); https://doi.org/10.1117/12.2684553
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KEYWORDS
Control systems
Wind turbine technology
Modulation frequency
Telecommunications
Wind energy
Frequency modulation
Power grids
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