Abstract—This paper proposes a novel sampling algorithm fordigital signal processing (DSP) controlled 2 kW power factor cor-rection (PFCs) converters, which can improve switching noise im-munity greatly in average-current-control power supplies. Basedon the newly developed DSP chip TMS320F240, a 2 kWPFC stageis implemented. The novel sampling algorithm shows great advan-tages when the converter operates at a frequency above 30 kHz.
Index Terms—Digital signal processing, power factor correction,sampling algorithm.
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