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.
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초록· 키워드
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Length of most underground power cable in nation is not so long. Therefore it is operated without conductor transposition due to low unbalanced ratio. However, if cable length is long, line constant of each cable will be different. Different line constant can induce unbalanced voltage and current of sheath. Also it can induce several induced interference. This paper describes the operation effectiveness through steady and transient analysis on transposition and untransposition of cable conductor. Especially sheath current and induced voltage are analyzed and compared in case of transposition and untransposition. EMTP is used for modeling and analysis.
목차
Abstract
1. 서론
2. 연가유무에 따른 이론적 모델 분석
3. 케이블 도체 연가 방식 및 EMTP 모델링
4. 정상상태 분석
5. 뇌과전압 분석
6. 결론
References
참고문헌 (9)
참고문헌 신청
1. [학위논문] - Xinheng Wang / 2001 / Characterization, detection and location of sheath fault on underground power transmission cables / Brunel University
2. [보고서] - KEPRI / 2003 / A Study on the Reduction of Induced Voltage and Circulating Current at the Metallic Sheath of Underground Transmission Power Cables
3. [학술지(정기간행물)] - Chae-Kyun Jung / 2001 / Analysis and Reduction Methods of Sheath Circulating Current in Underground Transmission Systems 50A (11) : 537 ~ 545
4. [기타자료] - J.S.Barrett / / Circulating current and hysteresis losses in screens, sheaths, and armour of electric power cables - mathematical models and comparison with IEC Standard 287
5. [학술지(정기간행물)] - Ji-Won Kang / 2002 / A Study on the Reduction Methods of Sheath Circulating Current using the Reduction Equipment in Underground Transmission Systems 51A (9) : 474 ~ 481
2. [보고서] - KEPRI / 2003 / A Study on the Reduction of Induced Voltage and Circulating Current at the Metallic Sheath of Underground Transmission Power Cables
3. [학술지(정기간행물)] - Chae-Kyun Jung / 2001 / Analysis and Reduction Methods of Sheath Circulating Current in Underground Transmission Systems 50A (11) : 537 ~ 545
4. [기타자료] - J.S.Barrett / / Circulating current and hysteresis losses in screens, sheaths, and armour of electric power cables - mathematical models and comparison with IEC Standard 287
5. [학술지(정기간행물)] - Ji-Won Kang / 2002 / A Study on the Reduction Methods of Sheath Circulating Current using the Reduction Equipment in Underground Transmission Systems 51A (9) : 474 ~ 481
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UCI(KEPA) : I410-ECN-0101-2015-500-001519248