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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.2
- 발행연도
- 2015.3
- 수록면
- 616 - 624 (9page)
이용수
초록· 키워드
오류제보하기
Flashover of power transmission line insulators due to contamination is a major threat to the reliable operation of power system. This paper deals with the analysis of leakage current characteristics of polymeric insulator using S-Transform technique in order to develop a better diagnostic tool to identify the surface condition of outdoor polymeric insulators. In this work, experiments were carried out on 11 kV silicone rubber insulator under AC voltage at different pollution levels. Moving average technique was adopted to find the trend followed by LC peak at different relative humidity conditions. S-Transform was used to find the relationship between energy and frequency content of the leakage current signal with respect to increase in pollution level over a period of time. From the S-Transform time-frequency contour analysis, point of transition to severe arcing due to increase in pollution and its thershold limit were evaluated. Reported results show that the surface condition of insulators could be easily identified from the S-Transform time-frequency analysis of leakage current signals.
목차
Abstract
1. Introduction
2. Test Setup and LC Measurement System
3. Concept of S-Transform
4. Flashover Development Process
5. Trend Analysis of LC Peak Magnitude
6. S-Transform Analysis of Dry-Clean Insulator
7. S-Transform Analysis of Wet-Polluted Insulator
8. Conclusion
References
참고문헌 (20)
참고문헌 신청
1. [단행본] - R.S. Gorur / 1999 / Outdoor Insulators / Ravi S. Gorur Inc
2. [단행본] - Looms J.S.T / 1990 / Insulators for high voltages, IEE series / IEE
3. [학술지(정기간행물)] - S. H. Kim / 1992 / Hydrophobic behaviour of Insulators Coated with RTV Silicone Rubber / IEEE Trans. on Electr. Insul 27 (3) : 610 ~ 622
4. [학술지(정기간행물)] - G. Montoya / 2004 / Correlation among ESDD, NSDD and leakage current in distribution insulators / IEE Proc. of Generation, Transmission and Distribution 151 (3) : 334 ~ 340
5. [학술지(정기간행물)] - A. Cavallini / 2007 / Inferring Ceramic Insulator Pollution by an innovative Approach Resorting to PD Detection / IEEE Trans. Dielectrics and Electr. Insul 14 (1) : 23 ~ 29
2. [단행본] - Looms J.S.T / 1990 / Insulators for high voltages, IEE series / IEE
3. [학술지(정기간행물)] - S. H. Kim / 1992 / Hydrophobic behaviour of Insulators Coated with RTV Silicone Rubber / IEEE Trans. on Electr. Insul 27 (3) : 610 ~ 622
4. [학술지(정기간행물)] - G. Montoya / 2004 / Correlation among ESDD, NSDD and leakage current in distribution insulators / IEE Proc. of Generation, Transmission and Distribution 151 (3) : 334 ~ 340
5. [학술지(정기간행물)] - A. Cavallini / 2007 / Inferring Ceramic Insulator Pollution by an innovative Approach Resorting to PD Detection / IEEE Trans. Dielectrics and Electr. Insul 14 (1) : 23 ~ 29
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UCI(KEPA) : I410-ECN-0101-2016-560-001248668