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The present study describes the considerations on the long-term reliability of the on-line partial discharge (PD) ceramic sensor for thermal power generators. Voltage acceleration aging tests were carried out under continuous and impulsive thermal aging at more than 100 °C, considering the practical service environment. Experimental results show that the sensors have a life that could last for more than 100 years, excellent dielectric characteristics, and insulation strength. In addition, the ceramic on-line PD sensors were installed in a thermal power generator in Korea for demonstration. The results of the PD calibration and test voltage application prove that the on-line ceramic sensors have satisfactory performances for on-line PD measurement.

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참고문헌 (12건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 H. G. Sedding, et al., “A New sensor for Detecting Partial Discharge in Operating Turbine Generators,” IEEE/PES 1991 Winter Meeting, Feb. 3-7, 1991. 미소장
2 Fundamental aspects of PD patterns of on-line measurements on turbogenerators 네이버 미소장
3 G. C. Stone, E. A. Boulter, I. Culbert, and H. Dhirrani, “Electrical Insulation for Rotating Machines,” IEEE Press, Wiley, pp.86-102, 2004. 미소장
4 Assessment of 23 kV capacitive coupler for on-line partial discharge measurements 소장
5 Dong-Sik Kang, et al., “Characteristics of Ceramic Coupler for On-line Partial Discharge Measurements in High Voltage Rotating Machines,” Trans. KIEE, vol.51C, no.5, pp.205-212, May. 2009. 미소장
6 Electrical life time constant estimation of ceramic element for sensor 소장
7 M. Honda et al., “V-T Characteristics of Epoxy Mold Insulation for Sustained AC Voltage,” IEEE Trns. Power Apparatus and Systems, vol. PAS-103, no. 5, May. 1984. 미소장
8 Shigemitsu Okabe et al., “Common Insulating Properties in Insulating Materials,” IEEE Trns. Dielectrics and Electrical Insulation, vol.13, no.1 Feb. 2006. 미소장
9 Volker Homburg et al., “Basic Investigation of a Macroscopic Interface between Two Solid Dielectrics,” in Proceedings of IEEE International Symposium on Electrical Insulation, Pittsburgh, PA USA, June. 1994. 미소장
10 KSC IEC 60060-1, “High Voltage test technique,” 2001. 미소장
11 H. Yoshida and K. Umemoto, “Insulation Diagnosis for Rotating Machine Insulation,” IEEE Trns. EI, vol.21, no.6, Dec. 1986. 미소장
12 Minoru Ezoe et al., “Effects of Interfacial Phenomena on Dielectric Breakdown of Filled Epoxy Resin,” in Proceedings of High Voltage Engineering Symposium, no. 467, Aug. 1999. 미소장

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