The fireworks factory blew up when something went wrong with an electric switch. 焰火工厂因电流开关出毛病而爆炸了。
Furthermore, reverse recovery losses of main diodes are minimized, and auxiliary switches commutate at zero current. 此外,续流二极管的反向恢复损耗被降低到最小,辅助开关也实现了零电流开关。