感应式无线电能传输系统设计及优化
Design and Optimization of Inductive Wireless Power Transmission System
摘要:
基于无线电能传输系统的要求,利用电磁场有限元分析软件Ansoft Maxwell,对三种典型结构的松耦合变压器磁芯及线圈绕组方式进行仿真分析,讨论初级侧和次级侧相对位置变化对其耦合系数的影响,设计一种高功率密度松耦合变压器。采用基于Simplorer软件系统场路耦合联合仿真的方法对设计的松耦合变压器及其谐振补偿网络进行仿真验证。最终搭建3.3 KW无线电能传输系统实验平台,验证该设计的可行性,系统整体传输效率最高达到95%。
Abstract:
Based on the requirement of wireless power transmission system, Ansoft Maxwell, a finite ele-ment analysis software of electromagnetic field, was used to simulate the magnetic core and coil winding of loosely coupled transformers with different structures. The influence of the relative position changes on the coupling coefficient was discussed. We design a High Power Density Loosely Coupled Transformer. The simulation of the loosely coupled transformer and its resonant compensation network is verified by the method of field-circuit coupled co-simulation based on Simplorer software system. Building 3.3 KW wireless power transmission system experimental platform to verify the feasibility of the design, the overall system transmission efficiency is up to 95%.
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