Energies, Volume 11, Issue 4 (April 2018) – 333 articles
Cover Story (view full-size image): As the demand for electrical devices becomes greater, PFC circuits have attracted attention to control harmonic pollution on the power grid. So far, the conventional PFC control methods have shown limited PFC performance, for example, increasing harmonic distortion depending on load or input voltage variation. To overcome the problem, new control methods have been proposed, which showed better performance, but are relatively complicated. Now, a new modulated carrier control method is proposed to provide high PF and low THD regardless of input voltage range and load variation. This is realized and demonstrated in this paper. View this paper
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