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A Predictive Switching Modulator for Current Mode Control of High Power Factor Boost Rectifier

Chattopadhyay, Souvik and Ramanarayanan, V and Jayashankar, V (2003) A Predictive Switching Modulator for Current Mode Control of High Power Factor Boost Rectifier. In: IEEE Transactions on Power Electronics, 18 (1). pp. 114-123.

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Abstract

In this paper, a new variation of current mode control for high power factor operation of boost rectifier is presented. The general features are no input voltage sensing, no use of multiplier, and no inner loop current regulator. It therefore follows the same control structure as that of the linear peak current mode control and the nonlinear carrier control. However, it implements a different switching law for the modulator that extends the range of continuous conduction mode of operation. The switching principle of the modulator is predictive, as the actual current equals the reference current at the end of each switching period. The no. of reset integrators required in this modulator for generation of the carrier waveform is two. The steady-state stability analysis of the boost rectifier with the proposed predictive switching modulator (PSM) is presented in this paper. A low-frequency small-signal model of the boost rectifier switched by the PSM is developed for evaluation of the control transfer function. Experimental results on a 400-W boost rectifier prototype are presented.

Item Type: Journal Article
Additional Information: ©1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Boost converter;Boost rectifier;Continuous conduction Mode;Diode bridge rectifier;NLC;PFC;PSM;Steady-state stability analysis
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 21 Dec 2005
Last Modified: 19 Sep 2010 04:22
URI: http://eprints.iisc.ernet.in/id/eprint/4708

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