备用电源自投装置设计、应用的若干问题作者：佚名文章来源：不详点击数： 857更新时间：2006-5-18 备用电源自投装置设计、应用的若干问题郑曲直，程颖(昆明供电局，云南昆明)Asummarization on design and application of backup power switchover unitZHENGQuzhi，CHENGYing(Kunming Power Supply Bereau in Yunnan Pronvince，Kunming ，China) Abstract：This paper studies severalproblems on design and application of backup power switchover unit，gives some principles ofthe designandthe application ofbackup power switchover unit，such as design of
