Title :
A new constant frequency zero voltage switching buck quasi-resonant converter
Author :
Dananjayan, P. ; Chellamuthu, C.
Author_Institution :
Sch. of Electr. & Electron. Eng., Anna Univ., Madras, India
Abstract :
A new buck zero-voltage-switching quasi-resonant power converter operating at constant switching frequency is discussed. Its output voltage is regulated by controlling the freewheeling period of the resonant inductor. In addition to better controllability, it possesses the advantages of PWM and frequency-modulated power converters. The principle of operation, state-plane plots, steady-state characteristics, design procedure and simulation of this buck constant frequency zero-voltage-switching quasi-resonant power converter (CF-ZVS-QRC) are presented
Keywords :
DC-DC power convertors; resonant power convertors; switched mode power supplies; switching circuits; DC/DC conversion; SMPS; ZVS; buck power convertor; constant switching frequency; controllability; design procedure; freewheeling period; operating principles; output voltage regulation; quasi-resonant power converter; resonant inductor; state-plane plots; steady-state characteristics; zero-voltage-switching; Controllability; Frequency conversion; Inductors; Pulse width modulation; Pulse width modulation converters; Resonance; Switching converters; Switching frequency; Voltage control; Zero voltage switching;
Conference_Titel :
Power Electronics, Drives and Energy Systems for Industrial Growth, 1996., Proceedings of the 1996 International Conference on
Conference_Location :
New Delhi
Print_ISBN :
0-7803-2795-0
DOI :
10.1109/PEDES.1996.537300
