Pulse regulation, a fixed frequency control technique, is introduced and applied to flyback converter operating in discontinuous conduction mode (DCM). The control parameters are designed in a way that the converter operates as close as possible to the critical conduction mode. In contrast to the conventional pulse width modulation (PWM) control scheme, the principal idea of pulse regulation is to achieve output voltage regulation using high and low-power pulses. Pulse regulation is simple, cost effective, and enjoys a fast dynamic response. The proposed technique is applicable to any converter operating in DCM. However, this work mainly focuses on flyback topology. In this paper, the main mathematical concept of the new control algorithm is introduced and simulation as well as experimental results are presented.
M. Ferdowsi and A. Emadi, "Pulse Regulation Control Technique for Flyback Converter," Proceedings of the 19th Annual IEEE Applied Power Electronics Conference and Exposition, 2004, Institute of Electrical and Electronics Engineers (IEEE), Jan 2004.
The definitive version is available at http://dx.doi.org/10.1109/APEC.2004.1296102
19th Annual IEEE Applied Power Electronics Conference and Exposition, 2004
Electrical and Computer Engineering
Keywords and Phrases
DC-DC Power Converters; PWM; PWM Power Convertors; Control Parameters; Critical Conduction Mode; Discontinuous Conduction Mode; Dynamic Response; Flyback Converter; Flyback Topology; Frequency Control; Frequency Control Technique; Mathematical Analysis; Mathematical Concept; Pulse Regulation Control Technique; Pulse Width Modulation Control Scheme; Sampled Data Systems; Switch-Mode Power Supplies; Switched Mode Power Supplies; Voltage Control; Voltage Regulation
Article - Conference proceedings
© 2004 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.