The most advanced and successful methods of corona surface treatment are based on a principle of high voltage discharge in air.
目前最先进和成功的方法的电晕表面处理是基于原则的高电压放电在空气中。
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Corona discharge: this is a non-thermal discharge generated by the application of high voltage to sharp electrode tips.
电晕放电：这是一个非热放电产生的应用高电压急剧电极秘诀。
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The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.