Since the traditional Fourier transform and wavelet decomposition have the defect for the non-stationary analysis of transformer partial discharge(PD) signal,and the BP neural network is easily to fall into the local minimum,a transformer partial discharge identification algorithm based on Hilbert energy clustering and probabilistic neural network(PNN)is proposed.The Hilbert-Huang transform(HHT)is used to extract the Hilbert energy spectrum of PD signals,and then the exponential family calculation is perfor...
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