分前端供电安全实践

广播电视的安全播出工作越来越得到各级政府和部门的重视，在机房建设上、装备投入上，作为总前端的中心机房，相信各地都有较高的安全级别了，而对于分布面广的分前端，尤其是可靠供电方面，存在着不小的差距。结合实践介绍如何进行分前端双电源改造，从而提高可靠性。

Security Practice of the Front End Electricity Supply

The security of broadcasting is drawing more and more attention. The front-end engine room has already being on the high level of construction and equipment. But the sub front-end rooms, which are widely distributed, are not that good, especially their electricity supply. This paper combining with the practice, introduces the duplicate supply transformation in sub front end.