地铁辅助逆变器200%过载故障的原因分析及解决措施

Rootcause Analysis &Solution of 200% Overload Fault to Metro Auxiliary Inverter

介绍了长沙地铁1号线车辆辅助逆变器200%过载故障产生原理,通过多种试验模拟重现辅助逆变器200%过载故障,查找引起该故障的原因,并制定合理的整改措施,有效解决辅助逆变器过流故障。

The Changsha Metro Line 1 vehicle auxiliary inverter 200% overload fault principle,through a variety of experiments to reproduce the auxiliary inverter 200% overload fault,find the rootcause of the fault,then establish proper rectification measures,effectively solve the auxiliary inverter overcurrent fault.