UPS直流电源故障导致机组跳闸的事故分析

Fault Analysis on Power Unit Trip Caused by Failure of UPS DC Power Supply

分析一起由于UPS蓄电池组带载能力差导致机组跳闸的事故。针对UPS的直流电源的日常维护和系统电源设计中存在的安全隐患,提出了改进和防范措施。

In this paper, a fault of power unit trip caused by poor loading capability of UPS batteries is analyzed. To improve the daily maintenance work of UPS DC power supply and to eliminate the dangerous factors in the design of system mains, several solutions and countermeasures are put forward.