The Influence of Excitation Inrush Current on the Second Harmonic Characteristics of Doubly Fed Induction Generator

The Influence of Excitation Inrush Current on the Second Harmonic Characteristics of Doubly Fed Induction Generator | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 24 October 2025 V1 Latest version Share on The Influence of Excitation Inrush Current on the Second Harmonic Characteristics of Doubly Fed Induction Generator Authors : Yan Jingxian 0009-0000-3233-6287 [email protected] , Luo jinshan , and Xue zhenyu Authors Info & Affiliations https://doi.org/10.22541/au.176130013.39229592/v1 Published IET Renewable Power Generation Version of record Peer review timeline 125 views 63 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract When large-scale doubly fed induction generators (DFIGs) are connected to a power grid, the harmonic characteristics of the power grid appear to be considerably different from those of a conventional synchronous motor. Although no-load closing of a transformer is a common scenario that causes harmonic currents in the power grid, the harmonic characteristics of DFIGs have not been analyzed in detail in such scenarios. Therefore, considering the no-load closing of a transformer in the adjacent substation of a wind farm as the research background, this study investigated the harmonic distortion in the voltage at the point of common coupling caused by the inrush current. By quantitatively analyzing the transient response of the stator and rotor flux linkage of the wind turbine under the control of the converter, the generation mechanism of the second-harmonic current of the DFIG stator is revealed. Then, the generation mechanism of the second harmonic component of the grid side converter(GSC) output current is analyzed by constructing the transfer function of the GSC control. Next, considering the influence of voltage distortion on the phase-locked loop, the mechanism of the influence of phase-locking deviation on the second-harmonic current is analyzed. Finally, the accuracy of the theoretical analysis is verified through time-domain simulations. Supplementary Material File (manuscript.docx) Download 3.78 MB Information & Authors Information Version history V1 Version 1 24 October 2025 Peer review timeline Published IET Renewable Power Generation Version of Record 16 May 2026 Published Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords doubly fed induction generator inrush current second harmonic transformer protection Authors Affiliations Yan Jingxian 0009-0000-3233-6287 [email protected] State Grid Economic and Technological Research Institute CoLtd View all articles by this author Luo jinshan State Grid Economic and Technological Research Institute CoLtd View all articles by this author Xue zhenyu State Grid Economic and Technological Research Institute CoLtd View all articles by this author Metrics & Citations Metrics Article Usage 125 views 63 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Yan Jingxian, Luo jinshan, Xue zhenyu. The Influence of Excitation Inrush Current on the Second Harmonic Characteristics of Doubly Fed Induction Generator. Authorea . 24 October 2025. DOI: https://doi.org/10.22541/au.176130013.39229592/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. 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