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US5642254A High duty cycle AC corona charger 失效
高占空比AC电晕充电器

High duty cycle AC corona charger
摘要:
This invention pertains to an AC charger (10) in which an AC voltage waveform applied to a corona wires (12) has a duty cycle of between 50% and 90%. This increases the efficiency of the charger without increasing the signal-to-noise ratio. In one embodiment, the AC voltage waveform is asymmetric.
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