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.8 No.6
- 발행연도
- 2013.11
- 수록면
- 1,512 - 1,519 (8page)
이용수
초록· 키워드
오류제보하기
Oil-impregnated paper is a major type of insulation used in oil-filled converter transformers for both traditional and new energy systems. This paper presents and analyzes the results of the experiment conducted on the electrical aging of oil-impregnated paper under AC-DC combined voltages using the pulsed electro-acoustic (PEA) technique. The formation and dynamics of space charge affected the performance of insulation material. The electrical aged oil-paper insulation was obtained through electrical aged experiments under the voltages. Based on the PEA technique, measurements were carried out when the oil-paper insulation system was subjected to different stressing and aging times. The space charge dynamics in the bulk of the oil-paper insulation system with different aging times were measured and analyzed. Characteristic parameters such as the total charge injection amount, the total charges of fast moving and slow moving, and the distortion factor of electric field were calculated and discussed. Results show that the longer electrical aging time, the more charges trapped in the bulk of aging sample. It leads to larger distortion factor of electric field in the bulk of aging samples and accelerate degradation of oil-paper insulation under AC-DC combined voltages.
목차
Abstract
1. Introduction
2. Experiments
3. Results and discussions
4. Conclusion
References
참고문헌 (25)
참고문헌 신청
1. [학술지(정기간행물)] - W. X. Lu. / 2003 / Optimal Acquisition and Aggregation of Offshore Wind Power by Multiterminal Voltage-Source HVDC / IEEE Trans. Power Delivery 18 (1) : 201 ~ 206
2. [단행본] - W.J. Zao / 2011 / High Voltage Direct Current Transmission Engineering Technology, 2nd ed. / China Electric Power Press : 308 ~ 309
3. [학술대회논문] - CIGRE Joint Task Force B4. 04/A2-1 / 2004 / Analysis of HVDC Thyristor Converter Transformer Performance / in Proceedings of Council on Large Electric Systems, Canada
4. [학술대회논문] - G. Chen / 2005 / Space Charge in Solid Dielectrics / in Proceedings of the 14th International Symposium High Voltage Engineering, Beijing, China
5. [학술지(정기간행물)] - W. Choo. / 2011 / Electric Field in Polymeric Cable Due to Space Charge Accumulation under DC and Temperature Gradient / IEEE Trans. Dielectr. Electr. Insul 18 (2) : 596 ~ 606
2. [단행본] - W.J. Zao / 2011 / High Voltage Direct Current Transmission Engineering Technology, 2nd ed. / China Electric Power Press : 308 ~ 309
3. [학술대회논문] - CIGRE Joint Task Force B4. 04/A2-1 / 2004 / Analysis of HVDC Thyristor Converter Transformer Performance / in Proceedings of Council on Large Electric Systems, Canada
4. [학술대회논문] - G. Chen / 2005 / Space Charge in Solid Dielectrics / in Proceedings of the 14th International Symposium High Voltage Engineering, Beijing, China
5. [학술지(정기간행물)] - W. Choo. / 2011 / Electric Field in Polymeric Cable Due to Space Charge Accumulation under DC and Temperature Gradient / IEEE Trans. Dielectr. Electr. Insul 18 (2) : 596 ~ 606
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