Title :
A piece-wise linear model of a Zero-Voltage Transition DC-DC Converter
Author :
Granados-Luna, Teresa R. ; Araujo-Vargas, Ismael ; Tapia-Hernández, Alejandro ; Hernández, L.
Author_Institution :
Sch. of Mech. & Electr. Eng., Nat. Polytech. Inst. of Mexico, Mexico City, Mexico
fDate :
Feb. 28 2011-March 2 2011
Abstract :
Formulation to obtain a piece-wise large-signal model of a Zero-Voltage Transition PWM Converter is presented in this paper. This circuit integrates the transformer leakage inductance and the output capacitance of the power switching devices into the converter operation principle, which results in a suitable strategy to build a high-frequency compact DC-DC converter with fixed-frequency, phase-shift control. The principle of operation of the converter and a piece-wise linear analysis are described together with a derivation of a large-signal model of the ZVT circuit. The piece-wise large-signal model is then verified with simulation and experimental result obtained with a 250W prototype.
Keywords :
DC-DC power convertors; PWM power convertors; frequency control; phase control; PWM converter; ZVT circuit; converter operation principle; fixed frequency control; phase-shift control; piecewise linear model; power 250 W; power switching devices; transformer leakage Inductance; zero-voltage transition DC-DC converter; Computational modeling; Converters; Prototypes;
Conference_Titel :
Electrical Communications and Computers (CONIELECOMP), 2011 21st International Conference on
Conference_Location :
San Andres Cholula
Print_ISBN :
978-1-4244-9558-0
DOI :
10.1109/CONIELECOMP.2011.5749374
