White Papers

Circuit Theory of Power Factor Correction in Switching Converters

Overview This paper discusses the circuit theory aspects of power factor correction in switching converter circuits. The discussion begins with an examination of the requirement of power factor correction in dc/dc converters. Using the concept of zero-order converter circuits, sufficient conditions for a dc/dc converter circuit to provide power factor correction are derived. The duality principle is applied to generate new converter circuits that can achieve power factor correction. The practical application of power factor correction is considered in conjunction with the requirement of tight output voltage regulation. Detailed study of the circuit configuration that can simultaneously provide power factor correction and output regulation is given.

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Publisher: John Wiley & Sons
File Format: PDF
Date Published: Sep 11, 2008
Format: White Papers
Topics: Switching

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