Uddin, Mohammad Borhan and Mekhilef, Saad and Ramasamy, Gobbi (2018) Compact wireless IPT system using a modified voltage-fed multi-resonant class EF2 inverter. Journal of Power Electronics, 18 (1). pp. 277-288. ISSN 1598-2092,
Full text not available from this repository.Abstract
Wireless inductive power transfer (IPT) technology is used in many applications today. A compact and high-frequency primary side inverter is one of the most important parts of a WPT system. In this study, a modified class EF-type voltage-fed multi-resonant inverter has been proposed for WPT application at a frequency range of 85-100 kHz. Instead of an infinite input choke inductor, a resonant inductor is used to reduce loss and power density. The peak voltage stress across the MOSFET has been reduced to almost 60% from a class-E inverter using a passive clamping circuit. A simple yet effective design procedure has been presented to calculate the various component values of the proposed inverter. The overall system is simulated using MATLAB/SimPowerSystem to verify the theoretical concepts. A 500-W prototype was built and tested to validate the simulated results. The inverter exhibited 90% efficiency at nearly perfect alignment condition, and efficiency reduced gradually with the misalignment of WPT coils. The proposed inverter maintains zero-voltage switching (ZVS) during considerable load changes and possesses all the inherent advantages of class E-type inverters.
| Item Type: | Article |
|---|---|
| Funders: | University of Malaya, Malaysia: Postgraduate Research Grant (PPP) PG338-2016A, Ministry of Higher Education of Malaysia: Fundamental Research Grant Scheme (FRGS) FP014-2014A |
| Uncontrolled Keywords: | Class E inverter; Class EF inverter; High-frequency inverter; Inductive power transfer; Misalignment tolerance |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 22 Feb 2019 02:07 |
| Last Modified: | 22 Feb 2019 02:07 |
| URI: | http://eprints.um.edu.my/id/eprint/20442 |
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