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학술지 Design of Transmitting Coil for Wireless Charging System to Expand Charging Area for Drone Applications
Cited 7 time in scopus Download 3 time Share share facebook twitter linkedin kakaostory
저자
김상원, 조인귀, 홍성용
발행일
201805
출처
Microwave and Optical Technology Letters, v.60 no.5, pp.1179-1183
ISSN
0895-2477
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/mop.31123
협약과제
17ZR1600, 무선 E-zone 및 다차원 에너지 집적기술 개발, 조인귀
초록
This research proposes a transmitting coil structure for wireless charging which has the constant efficiency regardless of the position of the receiving coil. The proposed transmitting coil is designed to operate at 140 kHz, and to improve the uniformity of the magnetic field intensity using a stepped helical coil and ferrite core. The measured results of the charging system with proposed transmitting coil show that it has low difference in rectifying voltage and efficiency within the charging area. Therefore, it has advantages in terms of wide charging area without the charging shadow area.
키워드
drone, magnetic field, magnetic intensity, stepped helical coil, wireless charging, wireless power transfer
KSP 제안 키워드
Constant Efficiency, Helical coils, Magnetic Intensity, Magnetic field(MF), Magnetic field intensity, Shadow area, Wireless Charging System, charging area, ferrite core, receiving coil, transmitting coil