Please use this identifier to cite or link to this item: https://doi.org/10.1049/ip-smt:20041315
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dc.titleDenoising of partial discharge signals in wavelet packets domain
dc.contributor.authorChang, C.S.
dc.contributor.authorJin, J.
dc.contributor.authorKumar, S.
dc.contributor.authorSu, Q.
dc.contributor.authorHoshino, T.
dc.contributor.authorHanai, M.
dc.contributor.authorKobayashi, N.
dc.date.accessioned2014-06-17T02:44:04Z
dc.date.available2014-06-17T02:44:04Z
dc.date.issued2005-05
dc.identifier.citationChang, C.S., Jin, J., Kumar, S., Su, Q., Hoshino, T., Hanai, M., Kobayashi, N. (2005-05). Denoising of partial discharge signals in wavelet packets domain. IEE Proceedings: Science, Measurement and Technology 152 (3) : 129-140. ScholarBank@NUS Repository. https://doi.org/10.1049/ip-smt:20041315
dc.identifier.issn13502344
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/55524
dc.description.abstractDespite advances in the filtering techniques of partial discharge (PD) signals, an acceptable signal to noise ratio (SNR) remains elusive due to the presence of environmental noises. A wavelet packet transform-based method is proposed for effective denoising of on-site partial discharge data from a power generator and a gas-insulated substation. Taking advantage of the statistical properties of white noise, the method uses variance as the criterion to select the best tree. It is shown by comparative studies that the method restores the PD pulse from data with very low SNR. The denoised PD pulses enable more accurate diagnosis of insulation defects in HV equipment. © IEE, 2005.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1049/ip-smt:20041315
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1049/ip-smt:20041315
dc.description.sourcetitleIEE Proceedings: Science, Measurement and Technology
dc.description.volume152
dc.description.issue3
dc.description.page129-140
dc.description.codenISMTE
dc.identifier.isiut000229748800007
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