摘要
对变电站电缆沟火灾的原因和特征进行了分析,对主要火灾报警技术在电缆沟火灾预警应用中存在的问题进行了介绍,提出将云室型热解粒子式火灾探测器应用于电缆沟火灾早期预警,并对其建设应用方案进行研究。应用案例表明该技术适用于电缆沟环境,具有高灵敏性和可靠性的特点,可提供极早期电缆沟火灾预警信息,支撑变电站安全可靠运行。
This article analyzes causes and characteristics of cable trench fires in substations,and summarizes applicative problems of mainstream fire warning technologies in cable trench fires.It puts forward the use of cloud chamber pyrolysis particle fire detectors in early warning of cable trench fires,and studies its construction and application plan.Practical case application shows the satisfactory applicability,and the high sensitivity and reliability of this technology in cable trench environments,which can provide extra-early warning information for safe and reliable operation of substations.
作者
董迪
DONG Di(PowerChina Henan Electric Power Survey&Design Institute,Zhengzhou 450007,China)
出处
《电工技术》
2023年第23期178-180,184,共4页
Electric Engineering
关键词
特高压
电缆沟火灾
极早期预警
热解粒子
ultra-high voltage
cable trench fire
extra-early warning
pyrolytic particle
