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.10 No.5
- 발행연도
- 2015.9
- 수록면
- 2,089 - 2,098 (10page)
이용수
초록· 키워드
오류제보하기
With the continuous development in insulation of electrical equipment design, the reliability of the system has been enhanced. However, in the manufacturing process and during operation under continues stresses introduce local defects, such as voids between interfaces that can responsible to occurrence of partial discharge (PD), electric field distortion and accumulation of charges. These defects may lead to localize corrosion and material degradation of insulation system, and a serious threat to the equipment. A model of three layers of PI film with air gap is presented to understand the influence of interface and voids on exploitation conditions such as strong electrical field, PD activity and charge movement. The analytical analysis, and experimental results are good agreement and show that the lose contact between interfaces accumulate more residual charges and in consequences increase the electric field intensity and accelerates internal discharges. These residual charges are trapped charges, injected by the electrodes has often same polarity, so the electric field in cavities increases significantly and thus partial discharge inception voltage (PDIV) decreases. Contrary, number of PD discharge quantity increases due to interface. Interfacial polarization effect has opposite impact on electric field and PDIV as compare to void.
목차
Abstract
1. Introduction
2. Analytical Analysis of Model
3. Experimental Analysis
4. Results of Partial Discharge
5. Discussion
6. Results of Breakdown
7. Conclusion
References
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - W. Yin / 1997 / Dielectric properties of an improved magnet wire for inverter-fed motors / IEEE Elect. Insul. Mag 13 (4) : 17 ~ 23
[학술지(정기간행물)] - S. U. Haq / 2008 / Insulation problems in medium voltage stator coils under fast repetitive voltage pulses / IEEE Trans. Industry Appl 44 (4) : 1004 ~ 1012
[학술지(정기간행물)] - L. Mascia / 1995 / Influence of siloxane composition and morphology on properties of polyimidesilica hybrids / Polymer 36 (19) : 3649 ~ 3659
[기타자료] - / 2006 / Rotating electrical machines - Part 18-41: Qualification and type tests for Type I electrical insulation systems used in rotating electrical machines fed from voltage converters / IEC 60034-18-41
[기타자료] - / 2008 / Rotating electrical machines -Part 18-42: Qualification and acceptance tests for partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters / IEC TS 60034-18-42
[학술지(정기간행물)] - S. U. Haq / 2008 / Insulation problems in medium voltage stator coils under fast repetitive voltage pulses / IEEE Trans. Industry Appl 44 (4) : 1004 ~ 1012
[학술지(정기간행물)] - L. Mascia / 1995 / Influence of siloxane composition and morphology on properties of polyimidesilica hybrids / Polymer 36 (19) : 3649 ~ 3659
[기타자료] - / 2006 / Rotating electrical machines - Part 18-41: Qualification and type tests for Type I electrical insulation systems used in rotating electrical machines fed from voltage converters / IEC 60034-18-41
[기타자료] - / 2008 / Rotating electrical machines -Part 18-42: Qualification and acceptance tests for partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters / IEC TS 60034-18-42
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UCI(KEPA) : I410-ECN-0101-2016-560-001774730