摘要
首先简单介绍集中供电的原理,分析有源设备的电源和供电参数的计算方法,而后从典型网络结构计算得出集中供电方式能满足设备的供电要求,再从建设成本与运行维护两方面与市电分散供电进行比较,最后详解集中供电在网络中的实际应用。
In this article, the author gives a brief introduction for the principle of centralized power supply, analyzes the computational method of active equipment and power parameters. Then it analyzes the typical net-work architecture, and gets the result that centralized power supply can meet equipment＇s power requirements. It compares with the decentralized power supply from construction cost and operation and maintenance. Finally, it explains in details about the centralized power supply＇s practical application in the EPON ＋ CATV Net-work.
出处
《中国有线电视》
2010年第4期475-478,共4页
China Digital Cable TV
关键词
集中供电
有源设备
电源
直流电阻
压降
centralized power supply
active equipment
the power supply
DC resistance
power drop
