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

doi:10.23919/CJEE.2023.000030

Chinese Journal of Electrical Engineering ›› 2023, Vol. 9 ›› Issue (3): 50-71.doi: 10.23919/CJEE.2023.000030

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

Zijie He¹, Guidong Zhang^1,*, Zexiang Chen¹, Samson S. Yu²

1. School of Automation, Guangdong University of Technology, Guangzhou 510000, China;
2. School of Engineering, Deakin University, Melbourne 3000, Australia

Received:2023-07-06 Revised:2023-07-19 Accepted:2023-08-03 Online:2023-09-25 Published:2023-08-07
Contact: *E-mail: guidong.zhang@gdut.edu.cn
About author:Zijie He was born in Dongguan, Guangdong, China. He received the B.S. degree from the Wuyi University, Jiangmen, Guangdong, China, in 2022. He is currently pursuing the M.S. degree in Electrical Engineering with the Guangdong University of Technology, Guangzhou, Guangdong, China.
His research interests include high-performance converter design, variable inductors and renewable energy generation.
Guidong Zhang (M’13-SM’23) was born in Shantou, Guangdong, China, in 1986. He received B.Sc. degree and two Ph.D. degrees from Xi’ an University of Technology, South China University of Technology and Fern Universität in Hagen in 2008, 2014 and 2015, respectively. From the end of 2015 to 2016, he was a Postdoctoral Fellow at The University of Hong Kong.
He received the Australian Endeavour Research Fellowship in 2017. He has thus far won six esteemed scientific awards, published a springer monograph and over 60 journal papers, and obtained 60 patents. Dr. Zhang is currently a Professor and Doctoral Supervisor with School of Automation, Guangdong University of Technology, Guangzhou. His research interests include high-performance converter design and control and renewable energy generation and storage.
Zexiang Chen was born in Chaozhou, Guangdong, China, in 1997. He received his B.S. degree from the Guangdong University of Technology, Guangzhou, China, where he is presently working toward his M.S. degree. His current research interests include power electronics topologies, as well as resonant converters and their applications.
Samson S. Yu (S’15-M’17) completed a master’s degree in Electrical and Electronic Engineering with distinction, and a Ph.D. degree in Electrical Power Engineering from the University of Western Australia (UWA), Perth, Western Australia, Australia, in 2014 and 2017, respectively. From 2017 to 2019, he served as a Postdoctoral Research Fellow at UWA. He is currently an Assistant Professor at Deakin University, Melbourne, Victoria, Australia. His research interests include power system analysis, renewable energy integration and forecasting, power electronics and their applications and control.
Dr. Yu received the first and second Best Paper Awards in the IEEE Australia Paper Competition in 2016 and 2017, the Best Reviewer Award for IEEE Transactions on Smart Grid in 2018, and published a featured article in Chaos: An interdisciplinary journal of Nonlinear Science in 2019.
Supported by:
*Natural Science Foundation for Distinguished Young Scholars of Guangdong Province under No. 2022B1515020002.

Abstract

Abstract: 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.

Key words: Variable inductors, magnetic saturation, magnetically controlled inductors, power converter

Zijie He, Guidong Zhang, Zexiang Chen, Samson S. Yu. A Review of Variable-inductor-based Power Converters for Eco-friendly Applications: Fundamentals, Configurations, and Applications^*[J]. Chinese Journal of Electrical Engineering, 2023, 9(3): 50-71.

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

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