Hilbert–Huang Transform Based Partial Discharge Signal Analysis

  • Hung-Cheng Chen
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 206)


As a key concern in a power system, a deteriorated insulation will cause a partial discharge phenomenon and hence degrades the power supply quality. Thus, a partial discharge test has been turned into an approach of significance to protect a power system from an unexpected fault. As the first step in this work, a defect cast resin transformer is treated as a test object, and the detected partial discharge data are then transformed into a time–frequency–energy distribution through the Hilbert–Huang Transform. The distribution is capable of providing both time-domain and frequency-domain information. It is a highly promising approach to pattern identification of a partial discharge and fault diagnosis.


Partial discharge Hilbert–Huang transform (HHT) Empirical mode decomposition Intrinsic mode function 



The research was supported by the National Science Council of the Republic of China, under Grant No. NSC 99-2221-E-167-030-MY3


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Copyright information

© Springer-Verlag London 2013

Authors and Affiliations

  1. 1.Department of Electrical EngineeringNational Chin-Yi University of TechnologyTaipingTaiwan

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