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Chen Li
EHV Power Transmission Company, China Southern Power Grid Co Ltd., Guangzhou 510620, China

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Journal article
Published: 14 July 2019 in Applied Sciences
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Wind turbines can participate in frequency regulation by controlling active power output, but the indeterminacy and volatility of wind power result in low reliability of frequency support. Therefore, as a kind of energy storage system, an electric vehicle is adopted to coordinate with wind turbines to regulate system frequency considering its large-scale development. First, based on the reasonable division of wind speed regions and operation point selection of pitch angle, the de-loading strategy of doubly-fed induction generator for reserve capacity under continuously varying wind speed is proposed. Then, through the combination of rotor speed and pitch angle control, frequency regulation model of a doubly-fed induction generator in whole wind speed range is established. Finally, taking into account the driving demand of electric vehicle owners, through the real-time allocation of system frequency regulation task based on frequency regulation capacity, the coordinated control strategy of doubly-fed induction generator and electric vehicle cluster for secondary frequency regulation is put forward. The simulation results show that the coordinated frequency regulation strategy based on real-time allocation can suppress frequency deviation effectively, and the regulation effect is better than the situations of wind turbine coordinating with the conventional unit or coordinating with electric vehicle cluster based on fixed allocation ratio.

ACS Style

Qian Zhang; Yan Li; Chen Li; Zhuwei Ding; Wenrui Xie. Coordinated Secondary Frequency Regulation Strategy of Doubly-Fed Induction Generator and Electric Vehicle. Applied Sciences 2019, 9, 2815 .

AMA Style

Qian Zhang, Yan Li, Chen Li, Zhuwei Ding, Wenrui Xie. Coordinated Secondary Frequency Regulation Strategy of Doubly-Fed Induction Generator and Electric Vehicle. Applied Sciences. 2019; 9 (14):2815.

Chicago/Turabian Style

Qian Zhang; Yan Li; Chen Li; Zhuwei Ding; Wenrui Xie. 2019. "Coordinated Secondary Frequency Regulation Strategy of Doubly-Fed Induction Generator and Electric Vehicle." Applied Sciences 9, no. 14: 2815.