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
- 발행연도
- 2019.10
- 수록면
- 27 - 33 (7page)
- DOI
- 10.5207/JIEIE.2019.33.10.027
이용수
초록· 키워드
오류제보하기
In this study, the thermal and flame propagation characteristics of cable in perforated cable tray used in a low voltage indoor distribution line were analyzed according to the arrangement of the cable using Light PVC sheathed circular cord(VCTF) cable. A thermocouple was attached to the inside and outside of the cable to measure the temperature. The cables were arranged in vertical and horizontal directions and, layered in triangular and rectangular shapes. As compared to the temperature inside a single cable, the temperatures increased when numerous cable were arranged in a horizontal direction and layered in triangular and rectangular shapes. The temperature inside the cables reached a peak of 305 ℃ when the current was twice the allowable current. At allowable current, the temperature increased to 62℃ when the cables were layered in a rectangular shape. This was close to the maximum permissible temperature for VCTF cable(i.e., 70 ℃). The insulation resistance of the VCTF cable declined dramatically in accordance with increases in temperature, which not only raised the risk of short circuit and ground faults but also accelerated the cable deterioration. The flame propagated at a velocity of 2.7 ㎝/sec in the vertical direction and 0.95 ㎝/sec in the horizontal direction at twice the allowable current. The faster propagation velocity in the vertical direction was due to the characteristics of flame and plume, which moved in an upward direction due to a buoyancy effect.
목차
Abstract
1. 서론
2. 본론
3. 실험결과
4. 결론
References
참고문헌 (8)
참고문헌 신청
H. J. Shin, J. H. Kim, G. S. Kang, J. C. Kim, H. B. Lee, “The Comparison of the Current Unblance Factor According to the Cable Array Method using PSCAD/EMTDC and FEA,” The Transaction of the Korean Institute of Electrical Engineers, Vol.62P, No.2, pp. 72-78, 2013.
Y. D. Son, J. B. Lee, “Proper Cable Arrangement Selection by Induced Voltage Evaluation of DC Cable in AC/DC Hybrid Combined Transmission Systems,” The Transaction of the Korean Institute of Electrical Engineers, Vol.64, No.5., pp. 680-688, 2015.
Y. D. Son, K. M. Ko, J. B. Chea, J. M. Lee, J. B. Lee, “Proper Arrangement Selection of Underground DC Power Cable through Harmonics Analysis in Hybrid Combined Transmission System,” KIEE Summer Conference, pp.367-368, 2015.
Y. G. Cho, S. H. Myung, J. B. Lee, S. H. Chang, “Analysis of ELF Magnetic Field Reduction Ratio on Passive Loop Using Scale Down Model of Transmission Line,” The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol.17, No.12, pp.1231-1239, 2006.
Y. W. Kang, M. J. Kim, T. I. Jang, J. W. Park, H. S. Park, J. W. Kang, “A Review Method of Calculation Results on Cable Ampacity using the Transformation to Electric Equivalent Circuit from Cable Thermal Circuit,” The Transaction of the Korean Institute of Electrical Engineers, Vol.65, No.5., pp. 738-744, 2016.
Y. D. Son, J. B. Lee, “Proper Cable Arrangement Selection by Induced Voltage Evaluation of DC Cable in AC/DC Hybrid Combined Transmission Systems,” The Transaction of the Korean Institute of Electrical Engineers, Vol.64, No.5., pp. 680-688, 2015.
Y. D. Son, K. M. Ko, J. B. Chea, J. M. Lee, J. B. Lee, “Proper Arrangement Selection of Underground DC Power Cable through Harmonics Analysis in Hybrid Combined Transmission System,” KIEE Summer Conference, pp.367-368, 2015.
Y. G. Cho, S. H. Myung, J. B. Lee, S. H. Chang, “Analysis of ELF Magnetic Field Reduction Ratio on Passive Loop Using Scale Down Model of Transmission Line,” The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol.17, No.12, pp.1231-1239, 2006.
Y. W. Kang, M. J. Kim, T. I. Jang, J. W. Park, H. S. Park, J. W. Kang, “A Review Method of Calculation Results on Cable Ampacity using the Transformation to Electric Equivalent Circuit from Cable Thermal Circuit,” The Transaction of the Korean Institute of Electrical Engineers, Vol.65, No.5., pp. 738-744, 2016.
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