NDLI: Research on damage detection of large generator stator insulation using guided waves

Content Provider	IEEE Xplore Digital Library
Author	Chen Yan Ruihua Li Hao Li Bo Hu
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Tongji Univ., Shanghai, China (Chen Yan; Ruihua Li; Hao Li; Bo Hu)
Abstract	This paper mainly reports the experimental research on damage detection of large generator stator insulation using the theory of elastic guided waves. The characteristics parameters of the stator insulation material are gained through insulation materials tensile test. By the means of selecting the appropriate guided wave excitation signal and solving the equation of the Rayleigh-Lamb equation, the dispersion curves of the Lamb waves are obtained, which describes the relationship between phase/group velocity and frequency. Moreover, the curves provide a reference about the choice of frequency of the excitation signal. Consequently, the experimental system of damage detection of large generator stator insulation is built and damage detection experiment is preceded through the system. The results of the experiment verify the effectiveness and feasibility of the method using guided waves to detect the damage of large generator stator insulation, which offers a new research method to assess the condition of large generator stator insulation.
Sponsorship	IEEE Dielectr. Electr. Insul. Soc.
Starting Page	1153
Ending Page	1156
File Size	673491
Page Count	4
File Format	PDF
ISBN	9781479925971
DOI	10.1109/CEIDP.2013.6747084
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulation Stators Generators Dispersion Materials Equations Monitoring dispersive characteristics large generator stator insulation condition assessment damage detection elastic guided-wave
Content Type	Text
Resource Type	Article

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