From starting-up to stabilization of the arc, the electric current and voltage usually fluctuate acutely, which makes a great impact on other circuit components.
由电孤启动到正常工作这段时间，电网线路的电流电压波动性较大，往往给电路其它各元件造成强烈的冲击。
A medium frequency pulsed starting arc unit, which consistS of a voltage dowble is introduced in this paper, and its working principle and parameter design are also analyzed.
介绍了一种用逆变方式和倍压整流方式构成的中频逆变式引弧器，并对其工作原理及参数设计进行了分析。
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