Analysis and design of (LC)(LC)-type series-parallel resonant converter

A series-parallel resonant converter employing (LC)(LC)-type tank circuit operating in lagging power factor (PF) mode is presented and analyzed using complex ac circuit analysis. Design curves are obtained and the converter is optimized under certain constraints. Detailed Space Integrated Control Ex...

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Bibliographic Details
Published inIEEE transactions on aerospace and electronic systems Vol. 31; no. 3; pp. 1186 - 1193
Main Authors Bhat, A.K.S., Biswas, A., Iyengar, B.S.R.
Format Journal Article
LanguageEnglish
Published IEEE 01.07.1995
Subjects
Centralized control
Circuit analysis
Circuit simulation
Constraint optimization
Design optimization
Reactive power
Resonance
RLC circuits
SPICE
Switching frequency
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Summary:A series-parallel resonant converter employing (LC)(LC)-type tank circuit operating in lagging power factor (PF) mode is presented and analyzed using complex ac circuit analysis. Design curves are obtained and the converter is optimized under certain constraints. Detailed Space Integrated Control Experiment (SPICE) simulation results are presented to evaluate the performance of the designed converter under varying load conditions. Results obtained from an experimental converter are also presented. The results obtained from the theory, SPICE simulation, and the experimental converter are compared. The proposed converter has high efficiency from full load to very light load (<10%). Switching frequency variation required for a wide change in the load (near load open circuit to full load) is narrow compared with the series resonant converter (SRC).< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9251
1557-9603
DOI:10.1109/7.395220