Title :
DC-DC PWM converters using magnetically coupled regenerative snubbers
Author :
Bonfá, Valdeir A. ; Menegáz, Paulo J M ; Vieira, José L F ; Rey, Joost Peeter ; Simonetti, Domingos S L
Author_Institution :
Dept. of Electr. Eng., Fed. Univ. of Espirito Santo, Vitoria, Brazil
Abstract :
This paper presents the use of a magnetically-coupled regenerative snubber applied to PWM power converters operating in the continuous conduction mode (CCM). The operation analysis and design is carried out on a buck converter, but is easily extensible to the others. The proposed snubber use the main core of the DC-DC converter to build the resonant inductor, reducing component count. This is a useful new solution to reduce switching losses through passive snubbers. Experimental results are presented to validate the study.
Keywords :
DC-DC power convertors; PWM power convertors; losses; magnetic cores; snubbers; switching circuits; DC-DC PWM power converters; continuous conduction mode; magnetically coupled regenerative snubbers; operation analysis; passive snubbers; power convertor core; resonant Inductor; switching losses; Buck converters; Couplings; DC-DC power converters; Inductors; Magnetic analysis; Magnetic cores; Magnetic resonance; Pulse width modulation; Pulse width modulation converters; Snubbers;
Conference_Titel :
Power Electronics and Drive Systems, 2001. Proceedings., 2001 4th IEEE International Conference on
Print_ISBN :
0-7803-7233-6
DOI :
10.1109/PEDS.2001.975426
