Current sourcing ZCS magnetron driver for low input voltage applications

Ilya Zeltser, Sam Ben-Yaakov

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

The use of topologies that have an output current sourcing behavior could be advantageous when driving constant voltage loads that call for the stabilization of the output current rather than output voltage. The load characteristic of the magnetron considered in this study can be modeled as a voltage source of about 3.9kV with a relatively small internal resistance of about 1.5kOhm that needs to be driven by a current of about 300mA. This study proposes a one-stage, zero current switched, high voltage gain, and current sourcing converter, to drive such a load. The topology is based on the parallel resonant converter but includes blocking diodes at the input bridge to assist the soft switching operation. The theoretical analyses were verified by simulations and experimentally on a 1.3kW magnetron driver which was fed from a low voltage source in the range of 20V to 32V. The circuit was controlled by dsPIC30F2020 (Microchip, USA) in closed loop.

Original languageEnglish
Title of host publication2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011
Pages877-884
Number of pages8
DOIs
StatePublished - 13 May 2011
Event26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011 - Fort Worth, TX, United States
Duration: 6 Mar 201110 Mar 2011

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011
Country/TerritoryUnited States
CityFort Worth, TX
Period6/03/1110/03/11

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