摘要
电源供给是有线电视网络运行的命脉，但传统供电模式存在大量弊端。剖析了当前有线电视电源供给系统存在和发生的问题，提出了新的供电模式和相应的供电器技术要求，可从根本上解决网络供电的质量和安全问题，从而保障了系统优质传输，避免了大面积用户信号中断。
Power supply is the most important element of cable TV network operation. But there are many demerits of the traditional power supply mode. According to the prevailing problems in the power supply system of cable TV, this paper offers a new power supply mode and the corresponding technical requirements, so as to ensure the quality and safety of the power supply system guaranty the transmission of the system and avoid large area signal interruption.
作者
孟宪安
唐文光
MENG Xian-an,TANG Wen-guang（Jiangsu Baoshitong Opto-Electronice Equipment Co. , Ltd, Jiangsu Yangzhou 225105, China）
出处
《中国有线电视》
2007年第17期1584-1585,共2页
China Digital Cable TV
关键词
过零切换
软启动
互为备份
高速过零开关
zero-crossing switching
soft start
mutual backup
high-speed zero-crossing switch
