A constant frequency parallel tuned resonant DC/DC converter for high voltage applications

Author

Jain, Raveen ; Soin, H.

Author_Institution

Bell-Northern Res. Ltd., Ottawa, Ont., Canada

fYear

1992

fDate

29 Jun-3 Jul 1992

Firstpage

71

Abstract

A constant-frequency resonant DC/DC power convertor topology for use in high-voltage, high-power systems with ultralow output voltage ripple requirement is presented. Possible modes of operation are described and an efficient mode of operation is selected. Steady-state analysis of the converter is given, and performance curves are presented. A generalized curve describing the region of zero voltage switching is given. Experimental results for a prototype converter operating at 128 kHz and delivering 55 V, 28 A DC from a nominal 375 V DC bus are presented. They show an overall efficiency between 96% and 93% from full load to half load, and an output voltage ripple of less than 0.1%

Keywords

load (electric); power convertors; switching circuits; 128 kHz; 28 A; 375 V; 55 V; 93 to 96 percent; HV; ZVS; applications; load; output voltage ripple; performance curves; resonant DC/DC power convertor; zero voltage switching; Capacitors; DC-DC power converters; Frequency conversion; Inductors; Pulse width modulation inverters; RLC circuits; Resonance; Resonant frequency; Switches; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 1992. PESC '92 Record., 23rd Annual IEEE

Conference_Location

Toledo

Print_ISBN

0-7803-0695-3

Type

conf

DOI

10.1109/PESC.1992.254693

Filename

254693