Abstract
The establishment of international and regional standards for electric vehicle (EV) magnetic field wireless power transfer (MF-WPT) systems started in 2010 by the Society of Automotive Engineers (SAE). In the meantime, the EV MF-WPT standardization has been focused on primary device and secondary device topology. Recently, the International Organization for Standardization (ISO), the International Electrotechnical Commission (IEC), and SAE have begun describing the communication and alignment techniques for EV MF-WPT. In this paper, we present a fine positioning method using a low-frequency (LF) signal, as mentioned in IEC 61980 and SAE J2954. Through modeling and simulation, we optimized a LF ferrite rod antenna (FRA) for EV MF-WPT fine positioning. We also found the optimal arrangement of LF-FRAs on primary device and secondary device Finally, we used a test bench to experiment and check the results of our proposal.
Highlights
Wireless power transfer (WPT) was first experimented upon by Nikola Tesla at the end of the1800s; WPT is a technology for transmitting electric energy through the air without using wires [1]
Based on the simulation were the same, it was confirmed that the energy is transmitted well.recognized, Based on theeven simulation results, we confirmed that the arrangement we proposed was well when the results, we confirmed that the LF-ferrite rod antenna (FRA) arrangement we proposed was well recognized, even when primary device and the secondary device began to overlap
Was in the −y-direction of the primary device receiver; (e) when the primary device and the secondary device were perfectly aligned, the low-frequency ferrite ferrite rod antenna (LF-FRA) was in the y-direction of the secondary device transmitter the magnetic field and the LF-FRA was in the y-direction of the primary device receiver; (f) when the primary device and the secondary device were perfectly aligned, the LF-FRA was in the x-direction of the secondary device transmitter and the LF-FRA was in the −x-direction of the primary device receiver
Summary
Wireless power transfer (WPT) was first experimented upon by Nikola Tesla at the end of the. The de jure international standards for electric vehicle magnetic field wireless power transfer (EV MF-WPT) are the International Organization for Standardization (ISO)/technical committees (TC) 22/sub-committees (SC) 37/working group (WG) 1 19363 [4], the International Electrotechnical. The de facto regional standards for EV MF-WPT are the Society of Automotive Engineers (SAE) wireless power transfer and alignment task force [8] and the SAE hybrid communication and interoperability task force [9]. These three organizations are currently under consideration and aim to establish standards by 2020. In Appendices A and B, we describe the details of results that were not explained in the body of the paper
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