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A Low-Distortion Self-Oscillating Power Factor Correction Circuit for Low-Cost Applications

【摘要】Self-oscillating converters operating in the critical conduction mode are popular in low power applications because of their simplicity and low cost. However, these converters are not suited for Power Factor Correction (PFC) because the peak switch current is controlled to regulate the output voltage and does not follow the shape of the line voltage waveform. A new control circuit implementation is proposed for a self-oscillating boost converter to achieve power factor correction. A full featured design example is provided which can be simplified for use in various cost sensitive applications such as electronic lighting, etc. This wide input voltage range self-oscillating PFC prototype achieves less than 10 percent line current distortion in the defined load range (10 W to 40 W).

【期刊名稱】 IEEE Transactions on Industrial Electronics

【作者】Marvi, M.;Fotowat-Ahmady, A.;Kananian, S.;Zabetian, A.;

【作者單位】;

【收錄信息】;

【年(卷),期】2014(61),11

【年度】2014

【頁碼】6050-6060

【總頁數】11

【原文格式】PDF

【正文語種】eng

【中圖分類】;

【關鍵詞】Boost converter;critical conduction mode;power factor correction (PFC);self-oscillating converter;

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