Authors: Sriram Jala; Ashoka K.S. Bhat
Addresses: Lear Corporation, 21557 Telegraph Rd, BDG#100, Southfield, MI, 48033, USA ' Department of Electrical and Computer Engineering, University of Victoria, Victoria, BC, V8W 3P6, Canada
Abstract: High-frequency transformer isolated DC-to-DC converters are widely used for power conversion in alternate energy and other applications. In such applications, it is important for the converter to operate with wide variations in input voltage. A hybrid phase modulated converter (HPMC) can achieve this with soft-switching characteristics. This paper presents the analysis of such a hybrid phase modulated DC-to-DC converter for different modes of operation. A systematic design procedure is illustrated with a design example. PSIM simulation results obtained for the design example are presented for varying input voltage and load conditions. A 200 W experimental converter with 22 to 41 V input and 350 V output switching at 100 kHz, has been built to verify the performance of the designed converter.
Keywords: bridge; converter design; DC-to-DC converters; phase modulation; soft switching; zero voltage switching; ZVS; phase modulated converters; power conversion; simulation.
International Journal of Power Electronics, 2012 Vol.4 No.6, pp.580 - 601
Accepted: 01 Dec 2012
Published online: 02 Mar 2013 *