刘 欢（温州市建筑设计研究院，浙江省温州市 325000）
Application of the I T System on Fire Control Emergency Power Supply
Liu Huan（Wenzhou Architectural Design & Research Institute，Wenzhou 325000，Zhejiang Province，China）
Abstract Compared to TN and TT system，the reliability of IT system is relatively higher and conforms to the requirement of the fire control equipments for high reliability of the power supply. In this paper，the applications of IT system on the emergency power supply of fire control equipments and fault protection as well as the advantages and disadvantages are described.
Key words I T system Fire control equipments Emergency power supply
摘 要 I T 系统相对于 TN 与 T T 系统供电可靠性较高，符合消防设备对电源高可靠性的要求。本文阐述了 I T 系统在消防应急电源上的应用及其故障保护和优缺点。
关键词 I T 系统 消防设备 应急电源
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