zero crossing triggering
zero voltage zero current switching
A new phase locking method with zero crossing
improved zero voltage method
Zero crossing derivative spectrophotometry
zero voltage soft switching
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)
low voltage and high voltage injury
touch voltage and step voltage
voltage source voltage measurement
positive crossing and negative crossing