NDLI: On-line fault detection of inter-turn short circuits in turbo-generator rotor windings

Content Provider	IEEE Xplore Digital Library
Author	Yonggang Li Jianwen Li Wei Sun
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. Eng., North China Electr. Power Univ., Baoding (Yonggang Li; Jianwen Li; Wei Sun)
Abstract	The on-line fault diagnosis technique based on search coil method for detecting inter-turn short circuits in turbo-generator rotor winding is used. Based on completely different properties of induced electric potential signals in the air gap and noise characteristic of the generator operated in different conditions is analyzed, wavelet transform and Mallatpsilas local maximum de-noising algorithm is presented, thereby realizes the detection of shorted turns fault and finds the fault slot position in turbo-generator rotor windings. Theoretical analysis and experimental results show that the method is particularly suitable for on-line fault detection of inter-turn short circuit in turbo-generator rotor windings.
Starting Page	763
Ending Page	768
File Size	487508
Page Count	6
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Electrical fault detection Rotors Circuit faults Fault diagnosis Coils Electric potential Circuit noise Noise generators Character generation Signal generators
Content Type	Text
Resource Type	Article

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On-line fault detection of inter-turn short circuits in turbo-generator rotor windings