Analytic Model Inclusive Transformer for Resonant Converters Based on Extended Fundamental Frequency Analysis for Resonant Converter-Design and Optimization
- 1 January 2006
- journal article
- Published by Institute of Electrical Engineers of Japan (IEE Japan) in IEEJ Transactions on Industry Applications
- Vol. 126 (5) , 568-577
- https://doi.org/10.1541/ieejias.126.568
Abstract
The series-parallel resonant converter and its magnetic components are analysed by extended fundamental frequency tech- niques. The proposed model allows an easy design of the resonant circuit and the integrated transformer and the calculation of the losses of all components of the converter. The purpose of the presented analytic model is an optimisation of the converter system - minimising either the volume / power density or the losses of the converter (restriction: temperature rise). Moreover, the presented equations also include a ZCS condition for one leg of the converter, the control of the converter by the frequency and duty cycle and a load model with offset volt- age. The proposed analytic model is validated by simulation as well as by experimental results.Keywords
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