Analysis of the influence of high voltage ride-through characteristics on transient stability of wind turbines

Xi Liu; Chengxiao Zhang; Yifan Lin; Yongqiang Zhu

doi:10.1117/12.3004614

25 September 2023 Analysis of the influence of high voltage ride-through characteristics on transient stability of wind turbines

Xi Liu, Chengxiao Zhang, Yifan Lin, Yongqiang Zhu

Author Affiliations +

Proceedings Volume 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023); 127883E (2023) https://doi.org/10.1117/12.3004614
Event: Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 2023, Kuala Lumpur, Malaysia

Abstract

In 2021, wind power and photovoltaic power generation in China will account for about 11% of the total social electricity consumption, and it is planned to gradually increase the proportion of wind power and photovoltaic power generation in the future development and reduce the overall proportion of thermal power generation. China plans to increase the proportion of new energy by 2025, gradually achieve "carbon neutral", gradually increase the number of wind power installed in China, and adhere to the centralized cooperation with distributed development. In this paper, an improved four-unit two-zone system with a direct drive fan unit is built in the Simulink simulation environment. By establishing different fault modules, the dynamic characteristics and "virtual" power angle characteristics of the fan system under high voltage ride-through under different fault conditions are studied, and the transient stability of the system as a whole is studied by studying the "virtual" power angle of the phase-locked loop (PLL). The simulation results of the test system show that: (1) The longer the fault duration, the worse the transient stability of the system. Among the fault types, the single-phase ground fault fault depth is shallow, and the transient stability of the system is better. When the fault occurs at the midpoint of the line, the transient stability of the system is high. (2) With the gradual decrease of damping and bandwidth of the phaselocked loop, the transient stability of the system is smaller. (3) When different fault types occur in the grid-side converter, a high-voltage ride-through occurs after the low-voltage ride-through of the fault phase, while only a high-voltage ridethrough occurs in the non-fault phase.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xi Liu, Chengxiao Zhang, Yifan Lin, and Yongqiang Zhu "Analysis of the influence of high voltage ride-through characteristics on transient stability of wind turbines", Proc. SPIE 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 127883E (25 September 2023); https://doi.org/10.1117/12.3004614

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KEYWORDS

Simulink

Wind turbine technology

Fluctuations and noise

Power grids

Wind energy

Capacitors

Mathematical modeling

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