电力系统自动化2017，Vol.41Issue(2)：15-20,120,7.DOI:10.7500/AEPS20161122001
错位条件下基于“感应盲点”分析的非接触变压器建模及优化
Modeling and Optimization of Contactless Transformer Based on“Null Coupling Position"Analysis Under Coil Misalignment
摘要
Abstract
In the inductive wireless power transfer system,the specified operating condition such as coil misalignment will cause the coupling coefficient of the contactless transformer to vary in a large range, further affecting the system operating characteristics.To build the coupling coefficient model under large coil misalignment,this paper gives an effective method for calculating the null coupling position based on the method of combining the field concept with circuit.According to the change law of the coupling coefficient,a model for finding the coupling coefficient under coil misalignment is developed.Then a novel contactless transformer with multiple receiving coils is proposed based on the characteristics of magnetic field distribution.A 60 W contactless energy transmission system is designed with the optimized contactless transformer structure.The calculation results of the coupling coefficients are in agreement with actual test results,which proves the correctness of the proposed method and model.The novel coil set has achieved good tolerance to coil misalignment.关键词
无线电能传输/感应盲点/耦合系数模型/非接触变压器Key words
wireless power transfer/null coupling position/coupling coefficient model/contactless transformer引用本文复制引用
柯光洁,陈乾宏,徐立刚,Siu-Chung WONG,Chi K.TSE..错位条件下基于“感应盲点”分析的非接触变压器建模及优化[J].电力系统自动化,2017,41(2):15-20,120,7.基金项目
国家自然科学基金资助项目(51677086) （51677086）
航空科学基金资助项目(2015ZC52037)。This work is supported by National Natural Science Foundation of China(No.51677086)and Aviation Science Foundation of China(No.2015ZC52037) （2015ZC52037）
