... line voltage controller 线电压控制 line voltage start 线电压起动 line-to neutral voltage 线与中性点间电压 ...
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Role: at start ballast circuits, the flip-flop because of the co-ordination of the moment have a high-voltage, so that the discharge lamp to start. Line at work to play the role of limit tube current.
作用：镇流器在启动线路中，由于触发器的配合产生瞬间高压电，使灯管放电启动。
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