浙江大学学报(工学版)  2018, Vol. 52 Issue (9): 1762-1770    DOI: 10.3785/j.issn.1008-973X.2018.09.017
 电气工程

Analysis and design-optimization of LCC resonant converter operating under wide range input and output voltage
LIU Guo-liang, LI Xin, WU Liang, LI Zhen-yu, CHEN Guo-zhu
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract:

The paper makes a full analysis for the working mode of the LCC resonant converter in the continuous current mode (CCM). On this basis, further researches need to be completed which include analyzing the LCC resonant topology using Fundamental Wave Approximation, deducing its fundamental wave equivalent circuit of pure resistance and capacitive, and building its mathematical model related with the switch frequency, load and convert gain. On the grounds of the model, a design method of LCC resonant converter operating under a wide range input and output voltage is proposed, and a list of resonant parameters is designed for a set of power supplies based on the method. Then, Simulation results demonstrate that the designed LCC resonant converter can achieve the full-load range soft-switching under a wide range of input and output voltage and meet the design specifications. Besides, it proves that the model and the design method have high accuracy and good application value.

 CLC: TM919

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#### 引用本文:

LIU Guo-liang, LI Xin, WU Liang, LI Zhen-yu, CHEN Guo-zhu. Analysis and design-optimization of LCC resonant converter operating under wide range input and output voltage. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2018, 52(9): 1762-1770.

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