Title :
Analysis and design of a new constant frequency control for QRC and MRC based on magnetic elements modification
Author :
Pernía, Alberto M. ; Lopera, J.M. ; Prieto, Miguel J. ; Nuño, Fernando
Author_Institution :
Dept. of Electr. Eng., Oviedo Univ., Spain
fDate :
3/1/1998 12:00:00 AM
Abstract :
Multiresonant power converters (MRCs) and quasi-resonant power converters (QRCs) have been modified to provide constant-frequency operation. Transformer leakage inductance has been used to adapt the traditional pulse-width-modulation (PWM) control to these converters. Conventional PWM integrated circuits can be used for the power converter regulation. Several experimental results are developed to test the control method proposed
Keywords :
PWM power convertors; control system analysis; control system synthesis; frequency control; inductance; magnetic leakage; power integrated circuits; power transformers; resonant power convertors; transformer windings; PWM control; PWM integrated circuits; constant-frequency operation; control design; control simulation; multiresonant power converters; power converter regulation; quasi-resonant power converters; transformer leakage inductance; Circuit topology; Frequency control; Inductance; Magnetic analysis; Magnetic resonance; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Switching frequency;
Journal_Title :
Power Electronics, IEEE Transactions on
