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13 May 2024 Multi-stage voltage calculation method for grid faults with wind turbines integration
Xin Li, Naihu Wu, Yu Zhang, Haiquan Zhou, Ting Wang, Huaxi Wang, Dongyi Sun, Tiexiao Dong, Min Yan, Zhui Wei
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Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 1315965 (2024) https://doi.org/10.1117/12.3024287
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China
Abstract
After a short-circuit fault occurs at a certain location in the power system, the system voltage undergoes a dynamic process characterized by an initial drop and subsequent recovery. During the fault duration, induction motor loads experience a voltage decrease, causing the electromagnetic torque to fall below the mechanical torque, resulting in a decrease in motor speed. Following fault clearance, these induction motors absorb a significant amount of reactive power, hindering the rapid restoration of system voltage to pre-fault levels. This paper presents a multi-stage voltage calculation method for grid faults, taking into account low voltage ride-through of wind turbines and the dynamic characteristics of induction motors. The proposed method enables the swift computation of multi-stage voltages after system faults, facilitating an assessment of the impact of faults on the voltage of new energy systems with a high proportion of motor loads, and it provides insight into the spatial distribution characteristics of fault voltages.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Xin Li, Naihu Wu, Yu Zhang, Haiquan Zhou, Ting Wang, Huaxi Wang, Dongyi Sun, Tiexiao Dong, Min Yan, and Zhui Wei "Multi-stage voltage calculation method for grid faults with wind turbines integration", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 1315965 (13 May 2024); https://doi.org/10.1117/12.3024287
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KEYWORDS
Wind turbine technology
Power grids
Renewable energy
Computing systems
Electromagnetism
Electronic components
Systems modeling
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