A method for identifying dielectric response parameters of stator windings insulation in pumped storage generator-motor based on modified SPDMD of depolarization current

•The paper proposes a dielectric-parameter method based on depolarization-current modal decomposition, selecting dominant modes.•The method automatically infers branch count in the EDM, minimizing prior knowledge and keeping physical relevance.•Adaptive filtering separates dominant relaxation modes...

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Vydáno v:	Measurement : journal of the International Measurement Confederation Ročník 257; s. 118912
Hlavní autoři:	Zhu, Guangya, Ma, Shiyu, Yang, Shuai, Zhang, Yue, Wang, Bingyan, Zhou, Kai
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Elsevier Ltd 15.01.2026
Témata:	Dynamic mode decomposition Extended Debye model Fast iterative shrinkage-thresholding algorithm Polarization and depolarization current method Pumped storage generator-motor Winding insulation Fast iterative shrinkage-thresholding algorithm Polarization and depolarization current method Winding insulation Pumped storage generator-motor Dynamic mode decomposition Extended Debye model
ISSN:	0263-2241
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