基于ICPT系统模式切换的临界负载点研究  

Research on the load boundary based on ICPT system mode switching

作　　者：景妍妍 王创 蔡晓敏 韩燕 JING Yanyan;WANG Chuang;CAI Xiaomin;HAN Yan(College of Electrical Engineering,Tongda College of Nanjing University of Posts and Telecommunications,Yangzhou 225127,China;Power Service Command Center,State Grid Yangzhou Power Supply Company,Yangzhou 225009,China)

机构地区：[1]南京邮电大学通达学院电气工程学院,江苏扬州225127 [2]国网江苏扬州供电公司供电服务指挥中心,江苏扬州225009

出　　处：《电子设计工程》2022年第8期156-160,共5页Electronic Design Engineering

基　　金：南京邮电大学通达学院“课程思政”教育教学改革研究专项课题(KC20420001)。

摘　　要：针对感应耦合式无线电能传输系统超出一定负载值后,将进入断续工作模式,存在输出增益不再满足负载无关性,输出功率下降的问题,采用谐波近似法分析4种简单的拓扑模型,给出整流电路输入电压、电流的谐波表达式,得到连续工作模式到断续工作模式切换的临界负载点,通过Saber软件进行仿真验证。系统在临界负载点以内工作时,可获得最佳的功率传输。所得结论为其他复杂拓扑结构临界负载点的确认提供了有益指导。The inductive coupled power transfer system can easily enter a discontinuous conduction mode when the load exceeds a certain value.The load independent output gain is no longer satisfied and the output power will greatly decrease.This paper analyzes four simple topology models by using the harmonic approximation method to give the harmonic expressions of diode rectification circuit input waveforms and to obtain the load boundary for switching from the continuous mode to the discontinuous mode.The simulation verification is carried out using Saber software.In order to achieve the optimal power transmission,the system is designed to work within the load boundary.The conclusions can provide useful guidance for identifying the load boundary of other complex topologies.

关 键 词：感应耦合式无线电能传输 断续工作模式 谐波近似法 临界负载点 

分 类 号：TN99[电子电信—信号与信息处理]