Large number of loop operation, especially the electromagnetic loop operation, has made the fault current excess the switch capacity.
由于大量的环网运行方式，尤其是电磁环网运行方式，造成电网短路电流超出开关设备容量。
If this happens too soon or too abruptly, the IGBT - switch will break down due to excess current and power dissipation at the moment of switch-on.
如果这发生得过快或过于突然，则IGBT开关将由于导通瞬间的过度的电流和功率耗散而击穿。
If this happens too soon or too abruptly, the IGBT - switch will break down due to excess current and power dissipation at the moment of switch-on.
如果这发生得过快或过于突然，则IGBT开关将由于导通瞬间的过度的电流和功率耗散而击穿。
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