바로가기메뉴

본문 바로가기 주메뉴 바로가기

ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

22.9kV 케이블 단말 부위 소손 사고의 원인에 관한 고찰

A Consideration on the Causes of 22.9kV Cable Terminal Burning Accident

한국사물인터넷학회논문지 / Journal of The Korea Internet of Things Society, (P)2466-0078;
2022, v.8 no.2, pp.7-12
https://doi.org/https://doi.org/10.20465/kiots.2022.8.2.007
심헌 (한국폴리텍 IV 대학 청주캠퍼스)
  • 다운로드 수
  • 조회수

초록

이블 사고의 주요 원인은 케이블 자체 또는 내·외적으로 전기적, 기계적, 화학적, 열적, 수분침입 등으로 인한열화의 가속화로 절연성능 감소되고 절연파괴가 발생하여 케이블 사고를 유발하게 된다. 케이블 사고는 과전압, 과전류의 영향으로 절연이 불량한 부분에서 발생할 수 있으므로, 변압기, 차단기의 이상여부, 상간불평형에 의한 지락사고등을 종합적으로 분석할 필요성이 있다. 케이블의 절연파괴에 의한 지락사고는 케이블 자체의 결함, 케이블 시공불량뿐만 아니라 운영상의 영향, 전기설비(개폐기, 차단기 등)의 운전 시 아크 등에 의해 발생할 수 있어 사고시점을 전후로운전 데이터 및 사고 이력에 대한 분석이 필요하다. 이 연구에서는 국내의 한 공장에서 발생한 케이블 사고의 분석을통하여 케이블 사고의 원인을 고찰하고자 한다.

keywords
케이블 열화사고, 지락사고, 절연파괴, 케이블 접속재, 케이블 트리, Cable burning accident, Earth fault, Insulation failure, Cable Termination, Cable Tree

Abstract

The main cause of cable accidents is the accelerated deterioration of the cable itself or internal and external electrical, mechanical, chemical, thermal, moisture intrusion, etc., which reduces insulation performance and causes insulation breakdown, leading to cable accidents. Insulation deterioration can occur even when there is no change in the appearance of the cable, so there is a difficulty in preventing cable accidents due to insulation deterioration. Since cable accidents can occur in areas with poor insulation due to the effects of overvoltage and overcurrent, it is necessary to comprehensively analyze transformers and circuit breakers, and ground faults caused by phase-to-phase imbalance. Ground fault accidents due to insulation breakdown of cables can occur due to defects in the cable itself and poor cable construction, as well as operational influences, arcs during operation of electrical equipment (switchers, circuit breakers, etc.). analysis is needed. This study intends to examine the causes of cable accidents through analysis of cable accidents that occurred in a manufacturing factory.

keywords
케이블 열화사고, 지락사고, 절연파괴, 케이블 접속재, 케이블 트리, Cable burning accident, Earth fault, Insulation failure, Cable Termination, Cable Tree

참고문헌

1.

S.M..Baek, J.W.Choi, S.H.Kim and Y.S.Kim, “Electrical Properties of 6.6kV Cable Termination by Mechanical Damage” Journal of KIEE Summer Conference, pp.1299-1300, 2009.

2.

H.K.Ji and Y.G.Cho, “Analysis of the Power Cable Fire Case in Busan-JungKwan Energy”, Journal of KOSHAM, Vol.20, No.3 , pp.117-122, 2020.

3.

The Inspection Verdict of Electrical Equipment Technology Standard, MOTIE, 2021.

4.

The Commentary of Electrical Equipment Technology KEA, pp.95, 2016.

5.

KEC The Standard of Inspection Verdict, KECA, 2020.

6.

Supervising Practice of Distribution and Transmission Line Installation, KEEA, 2002.

7.

B.K.Kim, Y.S.Mok, K.W.LEE and D.H.Park “Insulation Test and Maintenance Method of High Voltage Cable”, Journal of KEEA, pp.4-10, 2003.

8.

K.H.Moon, J.W.Kang and J.C.Kim, “Analysis of the cause of insulation breakdown in Transmission cable EB-A”, Journal of 2011 KIEE Summer Conference, pp.511-512, 2011.

9.

S.H.Hong, “A Study of the Cause of Burning Cable and Cable Flame Resisting Test Method”, KDPA, Journal of Disaster Technology, Vol.51, pp.6-12. 2011.

10.

S.K.M, B.S.Bae, C.M.Kim, “The cause analysis of explosion on junction termination of 345kV cable”, KESCO-ESRI, pp.63-79, 2010.

11.

S.Y.Oh, “Analysis of the Causes for Cable Fire and Improvement of the Systems”, Yeonsei Uni., 2004.

12.

J.H.Yoo, H.S.Kim, H.G.ee and Y.S.Cho, “A Study on Fire Investigation Technique For Single Line to Ground Faults in Distribution Line Using EMTP Simulation”, Journal of the Korean Society of Safety, Vol.33, No.3, pp.21-26, 2018.

13.

S.D.Kang, J.H.Kim, J.H.Kim, “A Study on the Insulation Resistance in Cable with Rising Temperature”, Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 32(3), pp.72-77, 2018.

14.

S.M.Park, H.N.Roh, S.S.Cho and H.H.Lee, “An Analysis on the Over-voltages by the Earth Fault in 22.9kV-Y Distribution Line”, Journal of 1999 KIEE Summer Conference, pp.3126-3128, 1997.

15.

Avinash Chaudharya, “Characteristics of Power Cables in a Compartment”, Procedia Earth and Planetary Science 11, pp.376-384, 2015.

한국사물인터넷학회논문지