Title :
Comparison of PWM zero-voltage-switching (ZVS) DC-DC converters with output isolation
Author :
Qian, Jinrong ; Batarseh, Issa
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Central Florida, Orlando, FL, USA
Abstract :
Zero-voltage-switching (ZVS) isolated boost power converters are analyzed and investigated in this paper. Zero-voltage-switching (ZVS) and proper core reset can be achieved through the resonance that exists between the magnetizing inductance and the parasitic capacitance. A steady-state analysis is given to illustrate the principle of operation. The presented power converters were simulated and implemented to show that the experimental results are in good agreement with theoretical analyses. Comparisons in terms of the voltage and current stresses, soft switching range, complexity and efficiency are provided to show that a ZVS power converter using a small network in parallel with a transformer secondary winding has best performance
Keywords :
DC-DC power convertors; PWM power convertors; circuit testing; equivalent circuits; power transformers; resonant power convertors; switching circuits; transformer windings; PWM DC-DC power converters; ZVS; boost power converters; complexity; core reset; current stresses; efficiency; magnetizing inductance; output isolation; parasitic capacitance; resonance; soft switching; steady-state analysis; transformer secondary winding; voltage stresses; zero voltage switching; DC-DC power converters; Inductance; Magnetic analysis; Magnetic cores; Magnetic resonance; Parasitic capacitance; Pulse width modulation; Pulse width modulation converters; Steady-state; Zero voltage switching;
Conference_Titel :
Industry Applications Conference, 1995. Thirtieth IAS Annual Meeting, IAS '95., Conference Record of the 1995 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-3008-0
DOI :
10.1109/IAS.1995.530632
