Phase-Controlled Series-Parallel Resonant Converter

Dariusz Czarkowski; Marian K. Kazimierczuk

doi:10.1109/63.233288

Phase-Controlled Series-Parallel Resonant Converter

Dariusz Czarkowski, Marian K. Kazimierczuk

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A constant-frequency phase-controlled series-parallel resonant dc-dc converter is introduced, analyzed in the frequency domain, and experimentally verified. To obtain the dc-dc converter, two identical series-parallel resonant inverters are paralleled and The resulting phase-controlled resonant inverter is loaded by a voltage-driven rectifier. The converter can regulate the output voltage at a constant switching frequency in the range of load resistance from full-load resistance to infinity while maintaining good part-load efficiency. The efficiency of the converter is almost independent of the input voltage. For switching frequencies slightly above the resonant frequency, power switches are always inductively loaded, which is very advantageous if MOSFET’s are used as switches. Experimental results are given for the phase-controlled series-parallel resonant converter with a center-tapped rectifier at an output power of 52 W and a switching frequency of 127 kHz. The measured current imbalance between the two inverters was as low as 1.2:1.

Original language	English (US)
Pages (from-to)	309-319
Number of pages	11
Journal	IEEE Transactions on Power Electronics
Volume	8
Issue number	3
DOIs	https://doi.org/10.1109/63.233288
State	Published - Jul 1993

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/63.233288

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title = "Phase-Controlled Series-Parallel Resonant Converter",

abstract = "A constant-frequency phase-controlled series-parallel resonant dc-dc converter is introduced, analyzed in the frequency domain, and experimentally verified. To obtain the dc-dc converter, two identical series-parallel resonant inverters are paralleled and The resulting phase-controlled resonant inverter is loaded by a voltage-driven rectifier. The converter can regulate the output voltage at a constant switching frequency in the range of load resistance from full-load resistance to infinity while maintaining good part-load efficiency. The efficiency of the converter is almost independent of the input voltage. For switching frequencies slightly above the resonant frequency, power switches are always inductively loaded, which is very advantageous if MOSFET{\textquoteright}s are used as switches. Experimental results are given for the phase-controlled series-parallel resonant converter with a center-tapped rectifier at an output power of 52 W and a switching frequency of 127 kHz. The measured current imbalance between the two inverters was as low as 1.2:1.",

author = "Dariusz Czarkowski and Kazimierczuk, {Marian K.}",

note = "Funding Information: Manuscript received July 5, 1992: revised February 19, 1993. This work was supported by the National Science Foundation by Grant ECS-8922695. The authors are with the Department of Electrical Engineering, Wright State University, Dayton, OH 45435. IEEE Log Number 92093 1 1.",

year = "1993",

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doi = "10.1109/63.233288",

language = "English (US)",

volume = "8",

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publisher = "Institute of Electrical and Electronics Engineers Inc.",

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AU - Czarkowski, Dariusz

AU - Kazimierczuk, Marian K.

N1 - Funding Information: Manuscript received July 5, 1992: revised February 19, 1993. This work was supported by the National Science Foundation by Grant ECS-8922695. The authors are with the Department of Electrical Engineering, Wright State University, Dayton, OH 45435. IEEE Log Number 92093 1 1.

PY - 1993/7

Y1 - 1993/7

N2 - A constant-frequency phase-controlled series-parallel resonant dc-dc converter is introduced, analyzed in the frequency domain, and experimentally verified. To obtain the dc-dc converter, two identical series-parallel resonant inverters are paralleled and The resulting phase-controlled resonant inverter is loaded by a voltage-driven rectifier. The converter can regulate the output voltage at a constant switching frequency in the range of load resistance from full-load resistance to infinity while maintaining good part-load efficiency. The efficiency of the converter is almost independent of the input voltage. For switching frequencies slightly above the resonant frequency, power switches are always inductively loaded, which is very advantageous if MOSFET’s are used as switches. Experimental results are given for the phase-controlled series-parallel resonant converter with a center-tapped rectifier at an output power of 52 W and a switching frequency of 127 kHz. The measured current imbalance between the two inverters was as low as 1.2:1.

AB - A constant-frequency phase-controlled series-parallel resonant dc-dc converter is introduced, analyzed in the frequency domain, and experimentally verified. To obtain the dc-dc converter, two identical series-parallel resonant inverters are paralleled and The resulting phase-controlled resonant inverter is loaded by a voltage-driven rectifier. The converter can regulate the output voltage at a constant switching frequency in the range of load resistance from full-load resistance to infinity while maintaining good part-load efficiency. The efficiency of the converter is almost independent of the input voltage. For switching frequencies slightly above the resonant frequency, power switches are always inductively loaded, which is very advantageous if MOSFET’s are used as switches. Experimental results are given for the phase-controlled series-parallel resonant converter with a center-tapped rectifier at an output power of 52 W and a switching frequency of 127 kHz. The measured current imbalance between the two inverters was as low as 1.2:1.

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Phase-Controlled Series-Parallel Resonant Converter

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