Abstract
This paper presents wireless power charging to a electric vehicle (EV) focusing on resonant topology. The charging system is described and set up using the resonance coupling effect and single-ended primary-inductor converter (SEPIC) for a low DC charging. The transmitting power is applied at a frequency of 6.78 MHz across a gap in the short range between 10 cm to 20 cm. The experimental results show that the maximum efficiency up to 80 % from transmitter to receiver. The EV charging using wireless charging has been confirmed with park and ride demonstration at 10 W power charging scale. The real time of wireless power charging can be monitored via Zigbee system. This work shows not only the possibility of wireless power charging, but also the electromagnetic compatibility (EMC) issue is taken into account.
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