Phase-control of series resonant converter

Marian K. Kaziierczuk, Dariusz Czarkowski

Research output: Contribution to journalConference article

Abstract

A phase-controlled series resonant dc/dc converter is described, analyzed, and experimentally verified. The circuit consists of a phase-controlled inverter and a Class D current-driven rectifier. The phase-controlled inverter comprises two conventional Class D inverters driving the same ac load. The phase shift between the voltages that drive the MOSFETs is varied to control the ac current of the inverter and thereby regulate the dc output voltage of the converter. A frequency-domain analysis is used to derive basic equations which govern the circuit operation. The important advantage of the converter is that the operating frequency can be maintained constant. Unlike most phase-controlled converters, the load of each switching leg is inductive for operation above resonance and capacitive for operation below resonance, which is a very desirable feature. The theoretical and experimental results were in good agreement.

Original languageEnglish (US)
Pages (from-to)1002-1008
Number of pages7
JournalPESC Record - IEEE Annual Power Electronics Specialists Conference
StatePublished - 1993
EventProceedings of the 1993 IEEE 24th Annual Power Electronics Specialist Conference - Seattle, WA, USA
Duration: Jun 20 1993Jun 20 1993

ASJC Scopus subject areas

  • Modeling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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