{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T06:02:54Z","timestamp":1779256974958,"version":"3.51.4"},"reference-count":17,"publisher":"Wiley","license":[{"start":{"date-parts":[[2021,10,23]],"date-time":"2021-10-23T00:00:00Z","timestamp":1634947200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100013096","name":"Science and Technology Project of State Grid","doi-asserted-by":"publisher","award":["KJ21-1-9"],"award-info":[{"award-number":["KJ21-1-9"]}],"id":[{"id":"10.13039\/501100013096","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Electrical and Computer Engineering"],"published-print":{"date-parts":[[2021,10,23]]},"abstract":"<jats:p>Time-delay estimation of partial discharge (PD) ultrahigh-frequency (UHF) pulse signals is one of the effective means to diagnose the local defect of electrical equipment. In order to improve the time-delay estimation accuracy of a multielement PD UHF pulse signal sensor array and reduce the cost of the PD detection system, a fuzzy interpolation cross-correlation method for time-delay estimation of PD UHF pulse signals was proposed in this paper. Improving the signal sampling rate is an effective way to improve the time-delay estimation accuracy. In this work, the fuzzy interpolation inference method was applied to interpolate intermediate values into the feature area of the PD UHF signal to improve the sampling rate, and then the cross-correlation method was used to estimate the time delay. This method not only improves the system sampling rate by fuzzy interpolation inference, which can make up for the deficiency of system equipment sampling performance, but also reduces the estimation error caused by noninteger multiple sampling intervals of signal time delay. The comparative experiment results demonstrate the power of the proposed method in improving the accuracy of the time-delay estimation of PD UHF pulse signals.<\/jats:p>","DOI":"10.1155\/2021\/8532714","type":"journal-article","created":{"date-parts":[[2021,10,23]],"date-time":"2021-10-23T15:20:16Z","timestamp":1635002416000},"page":"1-10","source":"Crossref","is-referenced-by-count":3,"title":["A Fuzzy Interpolation Cross-Correlation Method for Time-Delay Estimation of Partial Discharge UHF Pulse Signals"],"prefix":"10.1155","volume":"2021","author":[{"given":"Bowen","family":"Guo","sequence":"first","affiliation":[{"name":"Tianjin Power Supply Company of State Grid Corporation of China, Tianjin 300000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Songyuan","family":"Li","sequence":"additional","affiliation":[{"name":"Tianjin Power Supply Company of State Grid Corporation of China, Tianjin 300000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qinghua","family":"Tang","sequence":"additional","affiliation":[{"name":"Tianjin Power Supply Company of State Grid Corporation of China, Tianjin 300000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lin","family":"Li","sequence":"additional","affiliation":[{"name":"Tianjin Power Supply Company of State Grid Corporation of China, Tianjin 300000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9966-1324","authenticated-orcid":true,"given":"Pengfei","family":"Li","sequence":"additional","affiliation":[{"name":"School of Electrical and Mechanical Engineering, Pingdingshan University, Pingdingshan 467000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.3390\/s19051029"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/mei.2018.8430041"},{"issue":"6","key":"3","doi-asserted-by":"crossref","first-page":"3933","DOI":"10.1109\/TDEI.2017.006149","article-title":"UHF PD measurements on power transformers-advantages and limitations","volume":"24","author":"H. Jahangir","year":"2018","journal-title":"IEEE Transactions on Dielectrics and Electrical Insulation"},{"key":"4","first-page":"62","article-title":"Approach for timedelay location of UHF signals of GIS partial discharge based on interpolating cross-correlation function","volume":"54","author":"J. Liu","year":"2018","journal-title":"Gaoya Dianqi\/High Voltage Apparatus"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.3390\/en13174549"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1109\/access.2019.2914064"},{"key":"7","doi-asserted-by":"crossref","first-page":"10270","DOI":"10.1109\/ACCESS.2017.2647839","article-title":"Energy estimation of partial discharge pulse signals based on noise parameters","volume":"4","author":"X. 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