摘要
UPS作为石油化工行业可靠而优质的供电电源设备，有着广泛的应用。本文通过比较UPS系统的几种方式和优缺点，探讨如何保证UPS的供电可靠性。
UPS as a reliable and high quality power supply equipment, has a wide range of applications. In this paper, we discuss how to guarantee the reliability of UPS by comparing several methods and advantages of UPS system.
