Research on Maximum Penetration Ratio of Wind Power under the Voltage Stability Margin Constraint

Cheng Lei, Yaning Wu, Yu Huang, Yu Liang, Jinfeng Nie, Muyi Tang, Xuancheng Yi and Yi Luo
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Cheng Lei: Energy Development Research Institute of China Southern Power Grid, Guangzhou 510530, China
Yaning Wu: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Yu Huang: Energy Development Research Institute of China Southern Power Grid, Guangzhou 510530, China
Yu Liang: Energy Development Research Institute of China Southern Power Grid, Guangzhou 510530, China
Jinfeng Nie: Energy Development Research Institute of China Southern Power Grid, Guangzhou 510530, China
Muyi Tang: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Xuancheng Yi: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Yi Luo: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Sustainability, 2022, vol. 14, issue 12, 1-12

Abstract: With the large-scale integration of wind power, the voltage stability problem in the power system has become increasingly prominent. Therefore, this paper studies the maximum penetration ratio of wind power from the perspective of voltage stability. Firstly, the mathematical grid-connection model of the wind generator is established. Secondly, using the impedance modulus margin index (IMMI) and the Thevenin model, the analytical calculation method for maximum wind power penetration under the voltage stability margin constraint is proposed with theoretical derivation. Then, a typical case study is used to verify the feasibility and effectiveness of the proposed method. Finally, based on this, the key factors affecting the wind power penetration limit are analyzed from the source–grid–load side, and practical engineering measures to improve the maximum penetration ratio of wind power are summarized. This research will be helpful for the planning and operation of the high-proportion renewable energy power systems.

Keywords: power system; grid-connected wind power; voltage stability; impedance modulus margin; Thevenin equivalent; maximum penetration ratio (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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