Partial Discharge Diagnosis Based on Variational Mode Decomposition and Multiscale Permutation Entropy

Yifan Xu,Jing Yan,Ruixin He,Tingliang Liu

2022 6th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST)（2022）

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摘要

Partial discharge diagnosis is considered as an important means to diagnose the insulation state of gas insulated switchgear (GIS). Aiming at the non-stationary characteristics of partial discharge (PD) signals, a feature extraction method based on variational mode decomposition (VMD) and multi-scale permutation entropy (MPE) is proposed. Firstly, VMD is used to decompose the PD signal, and multip...

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关键词

Partial discharges,Support vector machines,Empirical mode decomposition,Simulation,Switches,Feature extraction,Entropy

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