供电系统的技术改造与应用

变电所是企业的供电中心，企业原有的“一用一备”运行方式已经不能满足安全、可靠供电的要求．因此对原有变电所供电方式进行技术改造迫在眉睫，通过“一用一备”运行方式与“三选二”运行方式的比较，看到了“三选二”运行方式明显的优势及改造后变电所供电的可靠性、安全性和不间断性得到很大的提高．

The Technical Reconstruction of Power Supply and Application

Transformer substation is the center of a enterprise's power supply.The original way of "one equipment one application" can't meet the need of the safe and reliable power supply.So a technical reconstruction is exactly needed to improve the power supply method of transformer substation.By comparing the way of "one equipment one application" with the way of "two in three",it turns out the later has obvious advantage,which makes power supply reliable,and improves safety and non-discontinuity much.