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
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.9 No.2
- 발행연도
- 2014.3
- 수록면
- 670 - 676 (7page)
이용수
초록· 키워드
오류제보하기
The objective of this research is to utilize the ultrasonic method to analyze the property of partial discharge (PD) which is generated by the winding of the insulation stator in the generator. Therefore, a PD measurement system is built based on ultrasonic and virtual instruments. Three types of PD models (internal PD model, surface PD model and slot PD model) have been constructed. With the analysis of these experimental results, this research has identified the ultrasonic signals of the discharges which were produced by three types of PD models. This analysis shows the different features among these PD types. Both the time domain and frequency domain of the ultrasonic signals are obviously different. In addition, an experiment based on a large rotating machine has been done to analyze ultrasonic noises. The result indicates that the ultrasonic noises can be wiped off by the filters and algorithms. The application of this system is convenient for the detection of early signs of insulation failure, which is an effective method for diagnosis of insulation faults.
목차
Abstract
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusion
References
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - G. C. Stone / 2005 / Partial discharge diagnostics and electrical equipment insulation condition assessment / IEEE Trans. on Dielectrics and Electrical Insulation 12 (5) : 891 ~ 903
2. [학술대회논문] - B. M. Oliver / 1954 / Directional Electromagnetic Couplers / Proceedings of the Institute of Radio Engineers 42 (11) : 1686 ~ 1692
3. [학술지(정기간행물)] - I. A. Metwally / 2004 / Status review on partial discharge measurement techniques in gas-insulated switchgear/ lines / Electric Power Systems Research 69 (4) : 25 ~ 36
4. [학술지(정기간행물)] - J. P. Van Bolhuis / 2002 / Monitoring and diagnostic of transformer solid insulation / IEEE Trans. on Power Delivery 17 (2) : 528 ~ 536
5. [학술지(정기간행물)] - Tapan K. Saha / 2003 / Review of Modern Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers / IEEE Trans. on Dielectrics and Electrical Insulation 10 (5) : 903 ~ 917
2. [학술대회논문] - B. M. Oliver / 1954 / Directional Electromagnetic Couplers / Proceedings of the Institute of Radio Engineers 42 (11) : 1686 ~ 1692
3. [학술지(정기간행물)] - I. A. Metwally / 2004 / Status review on partial discharge measurement techniques in gas-insulated switchgear/ lines / Electric Power Systems Research 69 (4) : 25 ~ 36
4. [학술지(정기간행물)] - J. P. Van Bolhuis / 2002 / Monitoring and diagnostic of transformer solid insulation / IEEE Trans. on Power Delivery 17 (2) : 528 ~ 536
5. [학술지(정기간행물)] - Tapan K. Saha / 2003 / Review of Modern Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers / IEEE Trans. on Dielectrics and Electrical Insulation 10 (5) : 903 ~ 917
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UCI(KEPA) : I410-ECN-0101-2015-500-001097430