Optimal Design of LLC Resonant Converter with Improved Controllability

被引：0
|
作者：
Khoobroo, Ehsan [1 ]
Ashrafinia, Bahram [2 ]
Akhbari, Mahdi [3 ]
机构：
[1] Shahed Univ, Elect Power Engn Dept, Tehran, Iran
[2] Islamic Azad Univ Khomeynishahr, Elect Power Engn Dept, Khomeyni Shahr, Jaddeh Ye Kamar, Iran
[3] Shahed Univ, Elect Power Engn Dept, Fac Engn, Tehran, Iran
来源：
2014 5TH POWER ELECTRONICS, DRIVE SYSTEMS AND TECHNOLOGIES CONFERENCE (PEDSTC) | 2014年
关键词：
LLC resonant converter; SMPS; ZVS; First harmonic approximation; Wide input voltage range regulator;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The aim of this paper is to introduce generalized design and optimization methodology for LLC resonant converters. To investigate operation principles, deriving linear circuit and mathematical models, first harmonic approximation is used which to great extent can simplifies quantitative analysis. For optimal, high efficiency design of LLC converter with controllability feature over wide variation of input voltage, mathematical model of gain function and input impedance are reordered to be used as fitness function and constrain functions and 'Genetic Algorithm' is used to achieve best possible combination of resonant tank elements. Optimized values of Q,, L and n is selected and simulation is carried out using PSIM software to verify the accuracy of the proposed method.
引用
收藏
页码：396 / 401
页数：6
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