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Int J Fire Sci Eng > Volume 31(6); 2017 > Article
Fire Science and Engineering 2017;31(6):112-117.
DOI: https://doi.org/10.7731/KIFSE.2017.31.6.112    Published online December 31, 2017.
전력용 콘덴서의 화재메커니즘과 실제 화재상관관계 연구
백동현
가천대학교 설비소방공학과
The Study Fire Mechanism and Real Fire Correlation of Power Condenser
Baek Donghyun
Gachun Univ., Dept. of Fire&Disaster Protection Engineering
요약
본 논문은 전력용 콘덴서의 화재메커니즘에 대하여 실제 화재사례를 근거로 상관관계를 논한 것이다. 전력용 콘덴서의 고장 메커니즘에서는 7단계, 화재 발생메커니즘은 12단계로 분류되었다. 이 중 5단계인 보호회로의 보호계전기가 동작하는 과정은 고장시와 화재발생시의 메커니즘과 동일하였다. 6단계에서부터 화재 발생메커니즘이 적용되어 전력용 콘덴서 내부의 연소현상 및 아크로 인한 가스발생으로 내부압력이 증가되어 화재 발생메커니즘 10단계에서 폭발하였음을 확인하였다. 11단계인 아크 등의 불꽃이 절연유와 함께 외부로 분출되고 2차 사고인 화재 발생으로 확대되었음을 확인하였으며 이와 같은 단계별 상관관계는 화재조사에 많은 기여를 할 수 있다.
Abstract
This research discusses the correlation about fire mechanism based on real fire cases. Electric power condenser failure mechanism is classified into 7 steps and fire mechanism is classified into 12 steps. In the 5th step, the procedure of operating a protection channel of a protection relay was identical in the case of the failure and fire. As the fire occurrence mechanism was applied from the 6th step, internal pressure was increased because of gas generation produced by internal combustion phenomenon and arc. This caused explosion in 10st step of fire occurrence mechanism. In 11th step, the flame such as arc gushed out with insulating oil which caused fire and leaded to second accident. This kind of step correlation could play an important part to examine fire.
Key Words: Power Condenser, Fire Mechanism, Condenser Bank, Fire Case
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