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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Veröffentlicht in:	Measurement : journal of the International Measurement Confederation Jg. 257; S. 118912
Hauptverfasser:	Zhu, Guangya, Ma, Shiyu, Yang, Shuai, Zhang, Yue, Wang, Bingyan, Zhou, Kai
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Elsevier Ltd 15.01.2026
Schlagworte:	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
Online-Zugang:	Volltext
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