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Analysis, Design and Verifications on Receiver-side Pulse-Width-Modulation Load-Independent ZVS Class-E2 Wireless Power Transfer
A compact and low-profile high frequency(HF) power converter is essential for a magnetically resonant wireless power transfer(WPT) system suitable for a small-scale electric load such as IoT equipments and medical implantable devices. This paper presents a new prototype of a class-E HF inverter/acti...
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creator | Mishima, Tomokazu Shimizu, Shoma Yang, Tianyu Lai, Ching-Ming |
description | A compact and low-profile high frequency(HF) power converter is essential for a magnetically resonant wireless power transfer(WPT) system suitable for a small-scale electric load such as IoT equipments and medical implantable devices. This paper presents a new prototype of a class-E HF inverter/active rectifier-based WPT system, where the load power control achieves only in the receiver(Rx) side while maintaining zero voltage soft switching(ZVS) on the transmitter(Tx)-side with the fixed frequency and duty cycle. The modeling-based analysis and design of PWM-controlled Rx-side class-E rectifier are originally presented in accordance with load-independent ZVS in the Tx-side class-E inverter. The effectiveness of the modeling and design of the class-E 2 WPT system is verified by experiment of 1MHz-8W prototype, after whereby the load-independent ZVS performance of class-E inverter is demonstrated with the relevant steady-state characteristics. |
doi_str_mv | 10.1109/ECCE53617.2023.10362701 |
format | conference_proceeding |
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subjects | Class-E inverter/rectifier DC-DC power converters load-independence magnetic resonance Power control Prototypes Pulse width modulation pulse-width-modulation(PWM) Rectifiers Switches wireless power transfer(WPT) zero voltage soft switching(ZVS) Zero voltage switching |
title | Analysis, Design and Verifications on Receiver-side Pulse-Width-Modulation Load-Independent ZVS Class-E2 Wireless Power Transfer |
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