TY - GEN
T1 - A dual-coupled LCC-compensated IPT system to improve misalignment performance
AU - Lu, Fei
AU - Zhang, Hua
AU - Hofmann, Heath
AU - Mi, Chris
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/6/26
Y1 - 2017/6/26
N2 - This paper proposes a dual-coupled LCC-compensated circuit topology that improves the misalignment performance of an inductive power transfer (IPT) system. Two magnetic couplers are used in this system, one consisting of the main power transfer coils and the other consisting of coupled compensation inductors. The magnetic coupling between the compensation inductors can contribute to transferring more power to the secondary side in well-aligned and misalignment cases. The fundamental harmonics approximation method is used to analyze the working principle of the dual-coupled system. A 3.4 kW prototype is designed and implemented to validate the proposed circuit topology. To simplify the design, the sizes of the main coils and compensation inductors are both 300mm×300mm. In the well-aligned case, experimental results show that the prototype can achieve 3.4 kW output power across a 150 mm air gap with a dc-dc efficiency of 95.5%. In the 150 mm misalignment case, the dual-coupled system can achieve 1.5 kW output power, which is twice the power transferred by a single-coupled IPT system with only the main coil coupling.
AB - This paper proposes a dual-coupled LCC-compensated circuit topology that improves the misalignment performance of an inductive power transfer (IPT) system. Two magnetic couplers are used in this system, one consisting of the main power transfer coils and the other consisting of coupled compensation inductors. The magnetic coupling between the compensation inductors can contribute to transferring more power to the secondary side in well-aligned and misalignment cases. The fundamental harmonics approximation method is used to analyze the working principle of the dual-coupled system. A 3.4 kW prototype is designed and implemented to validate the proposed circuit topology. To simplify the design, the sizes of the main coils and compensation inductors are both 300mm×300mm. In the well-aligned case, experimental results show that the prototype can achieve 3.4 kW output power across a 150 mm air gap with a dc-dc efficiency of 95.5%. In the 150 mm misalignment case, the dual-coupled system can achieve 1.5 kW output power, which is twice the power transferred by a single-coupled IPT system with only the main coil coupling.
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U2 - 10.1109/WoW.2017.7959355
DO - 10.1109/WoW.2017.7959355
M3 - Conference contribution
AN - SCOPUS:85026212152
T3 - 2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2017
BT - 2017 IEEE PELS Workshop on Emerging Technologies
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2017
Y2 - 20 May 2017 through 22 May 2017
ER -