Estimation of Output Voltage and Magnetic Flux Density for a Wireless Charging System with Different Magnetic Core Properties
- Estimation of Output Voltage and Magnetic Flux Density for a Wireless Charging System with Different Magnetic Core Properties
- 박지혜; 김상우
- wireless power transfer; online electric vehicle (OLEV); electromagnetic field (EMF); magnetic core; output
voltage; maxwell simulation
- Issue Date
- Journal of Magnetics
- VOL 18, NO 2, 105-110
- The design model and key parameters of the material design for the control of induced magnetic flux at the
near-field and efficient power transfer in a modified wireless power transfer (WPT) system with a large air gap
of wireless electric vehicles were investigated through analytical simulations for magnetic vector and timedomain
transient analysis. Higher saturation magnetic core with low core loss induced a stronger vertical
magnetic field by the W-type primary coil in the WPT system with a gap of 20 cm at 20 kHz, which is shown
from the vector potentials of the magnetic induction. The transient analysis shows that the higher magnetic
fluxes through the pick-up cores lead to a linear increment of the alternating voltage with a sinusoidal
waveform in the non-contact energy transfer system.
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- KIST Publication > Article
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