지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.18 No.2
- 발행연도
- 2018.4
- 수록면
- 94 - 100 (7page)
이용수
초록· 키워드
오류제보하기
Partial discharges (PDs) are electrical sparks that occur inside insulation between two conducting electrodes and can lead to the disastrous failure of insulation systems. To determine the location of a PD, a distributed array of UHF PD sensors is used to detect the electromagnetic (EM) signals emitted from the PD source, and the localization of the PD source can be estimated using the time difference of arrival (TDOA) between EM signals captured by the UHF PD sensor array. There are four popular methods to estimate the TDOA—the first peak method, the cross-correlation method, the energy criterion method, and the average time window threshold method. In this work, we numerically investigate the influence of noise on estimating the TDOA for the four different methods. Numerical results show that the energy criterion method is more robust against noise than other methods.
목차
Abstract
I. INTRODUCTION
II. NUMERICAL SIMULAION
III. NUMERICAL RESULTS
IV. CONCLUSION
REFERENCES
참고문헌 (16)
참고문헌 신청
[학술지(정기간행물)] - M. D. Judd / 2005 / Partial discharge monitoring for power transformers using UHF sensors part 1: Sensors and signal interpretation / IEEE Electrical Insulation Magazine 21 (2) : 5 ~ 14
[학술지(정기간행물)] - M. D. Judd / 1996 / The excitation of UHF signals by partial discharges in GIS / IEEE Transactions on Dielectrics and Electrical Insulation 3 (2) : 213 ~ 228
[학술대회논문] - L. Yang / 2003 / Propagation characteristics of UHF signals in transformers for locating partial discharge sources / Proceedings of the 13th International Symposium on High Voltage Engineering
[학술대회논문] - P. Kakeeto / 2008 / Experimental investigation of positional accuracy for UHF partial discharge location / Proceedings of the International Conference on Condition Monitoring and Diagnosis : 1070 ~ 1073
[학술대회논문] - Y. Sun / 2004 / Alternative cross-correlation techniques for location estimating of PD from RF signals / Proceedings of the 39th International Universities Power Engineering Conference : 143 ~ 148
[학술지(정기간행물)] - M. D. Judd / 1996 / The excitation of UHF signals by partial discharges in GIS / IEEE Transactions on Dielectrics and Electrical Insulation 3 (2) : 213 ~ 228
[학술대회논문] - L. Yang / 2003 / Propagation characteristics of UHF signals in transformers for locating partial discharge sources / Proceedings of the 13th International Symposium on High Voltage Engineering
[학술대회논문] - P. Kakeeto / 2008 / Experimental investigation of positional accuracy for UHF partial discharge location / Proceedings of the International Conference on Condition Monitoring and Diagnosis : 1070 ~ 1073
[학술대회논문] - Y. Sun / 2004 / Alternative cross-correlation techniques for location estimating of PD from RF signals / Proceedings of the 39th International Universities Power Engineering Conference : 143 ~ 148
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