Abstract:Partial discharge (PD) detection and recognition have become an important tool for the evaluation of insulating degradation in power transformer. How to detect the faint PD signal and suppress interference is the key to PD online measuring. The signal detection based on chaotic oscillator applies the bifurcation behavior of the driven Duffing oscillator. Chaotic system is sensitive to certain signal and immune to noise, the properties of which improve the detection sensitivity and antiinterference capability. … Show more
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