摘要
由于外电高压的不稳定,广播电影电视供电系统大部分UPS存在旁路供电的问题。通过UPS故障案例分析,阐明UPS旁路供电的重要性,提出UPS旁路供电的正确设计方案,确保UPS突发故障时UPS能自动切换到交流旁路供电,保持供电不间断。
Because of unstable of high pressure,most of radio,film and television system＇s UPS power supply systems have bypass power supply problems.Through case analyze of UPS malfunction,the importance of UPS bypass power supply is clarified.The correct design of UPS bypass power supply scheme is proposed and the UPS can auto switch to AC bypass power supply when a sudden malfunction happens.
出处
《自动化应用》
2011年第7期11-12,25,共3页
Automation Application
