A Novel Curved-Coil Transmitter for Quasiomnidirectional Wireless Power Transfer
- Resource Type
- Academic Journal
- Authors
- Bochao Guo; Yubo Zhao; Wei Chen; Ni Guo; Zijian Tian
- Source
- Journal of Electromagnetic Engineering And Science. 2023-03 23(2):65-73
- Subject
- Curved Coil
Magnetic Resonant Coupling
Mutual Inductance
Quasi-omnidirectional Coupler
Wireless Power Transfer(WPT)
- Language
- Korean
- ISSN
- 2671-7255
2671-7263
Achieving stable power transfer by merely relying on quasi-omnidirectional couplers is challenging. In this paper, we propose a quasiomnidirectional wireless power transfer (QWPT) system with a novel curved-coil transmitter to achieve steady transmission performance. A single power source is used to drive the transmitter"s current without using a phase and current control methodology. Power is transmitted to the receiver through magnetic resonant coupling at a distance of 50 mm. Moreover, an equivalent circuit model of the curved-coil system is derived and mathematically analyzed. The mutual inductance of the proposed QWPT system is evaluated through analysis and experiments. The experimental results for the resonant coupling system confirm the theoretical analysis of the performance of the curvedcoil transmitter and quasi-omnidirectional power transfer.