It is pointed out that the 3-phase zero voltage switch used in the pure resistance circuits is a special case of the 3-phase SCR switches without transients.
指出三相零电压开关在纯阻性电路中应用，是它的一种特殊形式。
Ways to improve the reliability of arc welding inverter power and the research condition of zero voltage, zero current soft switch inverter are introduced.
介绍提高我国弧焊逆变电源可靠性的途径以及零电压、零电流软开关变换研究现状。
When a switch is closed, the voltage across the switch is identically equal zero regardless of the current through the switch.
当它被合上时，不管流经开关元件的电流值是多少，电压恒为零。
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