摘要
实现有线电视前端机房不间断供电,对有线电视信号安全、优质传输有着重要的意义。详细阐述了前端机房实现连续不间断供电的工作过程,介绍一种结构简单,易于实现,安全可靠的市电配送方案。
The significance of uninterrupted power supplying at CATV fore end room for safety of CATV signal and high quality transporting is great. The article expatiates on this work progress. This is a reliable city power supplying project whose structure is simple and easy to carry out.
出处
《中国有线电视》
2005年第6期569-570,共2页
China Digital Cable TV
关键词
不间断供电
断相指示
报警电路
uninterrupted power-supplying
open-phase indicting
alarm circuit
