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。
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.
介绍了该电路的原理，线路，元件选择和安装调试等。
This paper introduces IC's principle, wires, element selection installation and testing.
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