考虑时滞影响的双馈风电场广域附加阻尼控制器设计

doi:10.19595/j.cnki.1000-6753.tces.181746

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Abstract A wide-area additional damping controller for doubly-fed wind farms based on Smith predictor-active disturbance rejection control (SP-ADRC) is proposed to solve the time-delay problem of wide-area additional damping control of wind farms in interconnected power grids. The real-time estimation of uncertain time-delay is realized by using fading memory recursive least squares method. On this basis, the influence of time-delay on closed-loop control in power system is reduced by using Smith predictor. It overcomes the defect that the control effect of traditional ADRC controller becomes worse in time-delay system, and retains the advantages of active estimation and compensation for uncertainties of ADRC. Finally, a new England 10-generator 39-bus system with wind farms is tested. The simulation results show that the proposed wide-area additional damping controller can effectively suppress the low-frequency oscillation.

Key words： Doubly fed wind farm low frequency oscillation time-delay system active disturbance rejection control Smith predictor

Received: 09 November 2018 Published: 17 January 2020

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TM712

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	Ma Yanfeng
	Huo Yaxin
	Li Xin
	Zheng Liwen
	Zhao Shuqiang

Cite this article:

Ma Yanfeng,Huo Yaxin,Li Xin等. Design of Wide Area Additional Damping Controller for Doubly Fed Wind Farms Considering Time Delays[J]. Transactions of China Electrotechnical Society, 2020, 35(1): 158-166.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181746 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I1/158

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