NDLI: Review of very high frequency power converters and related technologies

Content Provider	IET Digital Library
Author	Wang, Yijie Lucia, Oscar Zhang, Zhe Guan, Yueshi Xu, Dianguo
Abstract	With the increasing demand for volume reduction and efficiency improvement, very high frequency (VHF) power converters (30–300 MHz) have attracted great interest. Under such high operating frequency conditions, the value and volume of passive components can be greatly reduced, and the power density can be improved. However, many concerns and challenges accompany the increasing operating frequency, such as high switching loss, high magnetic components loss and high driving circuit loss. Including various topologies of the VHF converter, this study reviews the state-of-the-art technology involved in the VHF power converter, also encompassing the inverter stage and matching network stage. Secondly, different magnetic components and semiconductor devices were evaluated under the VHF operating condition. Thirdly, the high-efficiency driving methods, such as the resonant driving method and self-resonant driving method, were demonstrated. A guideline for converter design and system optimisation of the VHF converter and related technologies, including all components and systems, is illustrated in this study. Finally, the future research hot spots and challenges have been pointed out as guidance for further advanced VHF power conversion techniques.
Starting Page	1711
Ending Page	1721
Page Count	11
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 9, Jul (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.1301
Journal	IET Power Electronics
Publisher Date	2020-03-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	30–300 MHz Advanced VHF Power Conversion Technique Converter Design DC-DC Power Converter Different Magnetic Component Driver Circuit Efficiency Improvement Frequency 30.0 MHz to 300.0 MHz High Driving Circuit Loss High Frequency Approach High Frequency Power Converter High Magnetic Component Loss High Operating Frequency Condition High Switching Loss High-efficiency Driving Method Increasing Operating Frequency Inverter Stage Invertors Loss Matching Network Stage Passive Component Power Converter Power Density Power Electronics Power Supplies to Apparatus Power Supply Self-resonant Driving Method Semiconductor Device State-of-the-art Technology Supervisory Circuit System Optimisation VHF Converter VHF Operating Condition VHF Power Converter Volume Reduction
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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