Mathematical Model for a Quasi-resonant Converter

被引:0
|
作者
Baciu, I. H. [1 ]
Taut, A. [1 ]
Chindris, G. [1 ]
Fodor, A. [1 ]
机构
[1] Tech Univ Cluj Napoca, Dept Appl Elect, Cluj Napoca, Romania
关键词
IH systems; quasi-resonant converter; PWM; PFM;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
the paper presents a mathematical model for a quasi-resonant converter. This type of converter was analyzed for an induction heating system. The system can have a series or a parallel resonant circuit as a load. In this paper we discussed only series resonant circuit load case. The proposed objectives for analyzing the operation of this system were the following: development of PSpice simulations; development of Matlab simulations; development of Simulink simulations. The operation of both configurations (series or parallel) was mathematically analyzed. Using PSpice simulation environment, the time intervals were emphasized. A system of differential equations was obtained for each time interval. We obtained a simulation interface for the circuit, by implementing the equations in Matlab. The current through the induction coil and the voltage across the capacitor were represented.
引用
收藏
页码:213 / 216
页数:4
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