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13 May 2024 Equivalent impedance modeling and control parameters effect analysis of DFIG
Xinyu Guo, Zewen Li, Shuxin Tan, Duange Guo, Yuanchuan Wang
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Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 13159AL (2024) https://doi.org/10.1117/12.3024416
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China
Abstract
The Doubly-Fed Induction Generatorc (DFIG) is connected to a series compensation line, and the converter controllers interact with the series compensation line to produce Sub-Synchronous Control Interaction (SSCI). In this paper, a method of solving the equivalent resistance modeling of DFIG through a small-signal path is proposed to get the effect of converter control parameters on the damping of DFIG. Firstly, the small signal model is solved by the dynamic equation of DFIG, and the equivalent impedance of the small signal path is obtained. Secondly, the Morris screening method takes the equivalent impedance as the evaluation quantity to screen out the control parameters that have a great impact on damping and the control parameters with coupling effect. Finally, the control parameters have a coupling effect and have different degrees of influence on SSCI through the simulation analysis, so the optimized design of controller parameters can attenuate SSCI of DFIG and reduce the risk.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xinyu Guo, Zewen Li, Shuxin Tan, Duange Guo, and Yuanchuan Wang "Equivalent impedance modeling and control parameters effect analysis of DFIG", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 13159AL (13 May 2024); https://doi.org/10.1117/12.3024416
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KEYWORDS
Power grids
Control systems
Modeling
Wind turbine technology
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