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5 June 2024 Short circuit ratio analysis and voltage stability control of power system with DFIG-based wind turbines
Yu Wei, Xiangyu Zhang, Yuan Fu
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Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 131636Z (2024) https://doi.org/10.1117/12.3030349
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China
Abstract
In order to improve the assessment of the voltage support capability for new energy grid integration, this paper first establishes a third-order virtual synchronous generator dynamic model. Then, by analyzing the phase relationship, a new short circuit ratio index considering the short circuit capacity of new energy sources is proposed. Secondly, based on the relationship between the new short circuit ratio and voltage support strength, a voltage active support control strategy based on virtual transient reactance is proposed. Finally, through simulation tests, the results show that the new short circuit ratio index can effectively reflect the voltage support capability of the grid connection point, and the effectiveness of the proposed control strategy is verified.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yu Wei, Xiangyu Zhang, and Yuan Fu "Short circuit ratio analysis and voltage stability control of power system with DFIG-based wind turbines", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 131636Z (5 June 2024); https://doi.org/10.1117/12.3030349
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KEYWORDS
Control systems
Power grids
Renewable energy
Mathematical modeling
Safety
Wind turbine technology
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