近年来,随着网络和计算机技术飞速发展,信息系统在企业中被赋予越来越重要的角色,需要7×24 h不间断为企业各项业务活动提供支持。因此,企业对数据中心的安全性、可靠性提出更高层次的要求。针对数据中心UPS电源的选择、使用和维护进行探讨。供电系统是数据中心的重要组成部分,如果供电系统因自身原因或自然灾害,造成电压不稳定、供电瞬时或长期中断都会造成信息系 In recent years, with the rapid development of network and computer technologies, information systems have been given an increasingly important role in enterprises and require 7 × 24 h non-stop support for all business activities. Therefore, enterprises put forward higher level requirements on the security and reliability of data center. For the data center UPS power supply selection, use and maintenance to explore. Power supply system is an important part of the data center, if the power supply system due to its own reasons or natural disasters, resulting in voltage instability, power supply instantaneous or long-term disruption will cause the information system