基于公路隧道安全的快速切换应急照明电源及应用

Fast switching emergency light power supply based on safety of highway tunnel and application

阐述了快速切换照明专用型应急电源EPS的组成、工作原理、主要特点及功能,并与不间断电源UPS、发电机进行比较,介绍了公路隧道应急照明的设计及应急电源EPS在公路隧道的应用。

This article discusses the component, principals, characteristics and function of fast switching light emergency power supply（EPS）, compares EPS with uninterruptible power supply（UPS）and generator, and introduces the design of emergency light of highway tunnel and implication of EPS.