zero voltage soft switching
zero voltage zero current switching
improved zero voltage method
zero voltage switching
零
零电压开关
零电压切换
零电压软开关
ZVS条件
软开通
zero voltage transition
zero-voltage-switching(ZVS)
10kV high voltage switch cubicle
high voltage switch power supply
High Voltage Switch Shell
low voltage switch equipment
A new contactless soft switch