A Review of Variable-inductor-based Power Converters for Eco-friendly Applications:Fundamentals,Configurations,and Applications  

作　　者：Zijie He Guidong Zhang Zexiang Chen Samson S.Yu 

机构地区：[1]School of Automation,Guangdong University of Technology,Guangzhou 510000,China [2]School of Engineering,Deakin University,Melbourne 3000,Australia

出　　处：《Chinese Journal of Electrical Engineering》2023年第3期50-71,共22页中国电气工程学报（英文）

基　　金：Supported by Natural Science Foundation for Distinguished Young Scholars of Guangdong Province under No.2022B1515020002。

摘　　要：Modern eco-friendly industries such as renewable energy systems,electric vehicles(EVs),and light-emitting diodes(LEDs)have led to technological advancements in power electronics.Switching-based power converters have limited working ranges and can cause significant harmonics and oscillations in the output voltage and current.Introducing variable inductors can help solve this problem by changing the inductance without resorting to extreme switch duty cycles.Despite their advantages,there is still a lack of comprehensive reviews of variable inductor applications in power converter design.A thorough and in-depth review of variable inductance control in power conversion is presented,including its significance,working principle,core structure,modeling method,and typical applications.Traditionally,an inductor works in its linear magnetic region;its inductance in a power converter is considered constant,and the converter operates under fixed working conditions.However,a broad range of working conditions is required for power converters in practical applications.This is typically realized by changing the duty cycles of the switches.The working principle of variable inductance is reviewed,and the application of variable inductance control in power converters is presented,which will further help power electronics researchers and engineers design flexible and resilient power converters.

关 键 词：Variable inductors magnetic saturation magnetically controlled inductors power converter 

分 类 号：TM7[电气工程—电力系统及自动化]