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.
机组的最大启动电流近为机组额定运行电流的1.5倍，从而降低了机组启动对电网的冲击。
The biggest starting current unit for rated current operation unit nearly 1.5 times, which reduces the unit to start the impact of the power grid.
高压钠灯配接传统电感镇流器启动时灯电流对阴极冲击过大，缩短了高压钠灯的实际使用寿命。
High pressure sodium (HPS) lamps driven by traditional electromagnetic ballast usually suffer from high current stress on lamp's electrodes during start up stage.
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