NDLI: Repeater coil-based wireless power transfer system powering multiple gate drivers of series-connected IGBTs

Content Provider	IET Digital Library
Author	Cheng, Chenwen Wang, Chao Zhou, Zhe Li, Weiguo Deng, Zhanfeng Mi, Chunting Chris
Abstract	It is challenging to power a large number of gate drivers of the series-connected insulated gate bipolar transistors (IGBTs) in a high-voltage application because multiple isolated power supplies are needed. In this study, a novel wireless power transfer (WPT) system using repeater coils is designed to solve this problem. Every two repeater coils form a repeater unit, which transfers power to one load. With multiple repeater units in the system, multiple loads can obtain power simultaneously. To eliminate undesirable magnetic couplings between these coils, bipolar coils are used and the two bipolar coils in the same repeater unit are placed perpendicularly. It is derived that constant voltage can be obtained for all the loads, which is especially suitable for powering the IGBT's gate driver. Moreover, the variation of one load power will not affect others. The receiving circuit is designed to transform the received power to the DC voltage compatible with the driving circuits. An experimental setup with six loads has been constructed to validate the proposed WPT system.
Starting Page	1722
Ending Page	1728
Page Count	7
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.2019.0982
Journal	IET Power Electronics
Publisher Date	2020-02-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bipolar Coils Bipolar Transistor Coils Design And Testing Driver Circuit Electromagnetic Induction Equivalent Circuit IGBT Gate Driver Inductive Power Transmission Inductors And Transformer Insulated Gate Bipolar Transistors Insulated Gate Field Effect Transistors Integrated Circuit Design Magnetic Coupling Multiple Isolated Power Supplies Multiple Repeater Units Power Converter Power Electronics Power Supplies to Apparatus Power Supply Receiving Circuit Design Repeater Repeater Coil-based Wireless Power Transfer System Repeater Coils Semiconductor Device Modelling Series-connected IGBT Series-connected Insulated Gate Bipolar Transistors Supervisory Circuit
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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