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DC to AC converter

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the_liong

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Hi, I come out a square wave inverter. Anyway, when I use to power up a fluorescent light(with electronic ballast), the light flickering. When I lower down the input voltage,the problem disappear. I suspect is the peak voltage that causing this problem. When my battery is full charge,the peak voltage can more than 260V(I can't remember the exact value,but at least 260V). When I lower down my input voltage until the AC peak voltage drop below 240V, ,flickering disappear. Any one here can explain why the peak voltage can cause flickering? When I use for other electric appliance (normal fluorescent light, energy saving light,adaptor and etc),it was ok.Thank for answering
 
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