TY - GEN
T1 - Compensation network for a 7.7 kW wireless charging system that uses standardized coils
AU - Grazian, Francesca
AU - Shi, Wenli
AU - Soeiro, Thiago B.
AU - Dong, Jianning
AU - van Duijsen, Peter
AU - Bauer, Pavol
N1 - Publisher Copyright:
© 2020 IEEE
PY - 2020/9/28
Y1 - 2020/9/28
N2 - Industrial wireless charging systems use standardized coils to guarantee interoperability between different manufacturers. In combination with these coils, the compensation network can still be designed and optimized. This paper explains the step-by-step design of the compensation network for a 7.7 kW wireless charging system (power class WPT2), which is composed of standardized coils. The compensation network must satisfy the output power and voltage requirements, the soft-switching of the inverter, and the limit of voltage and current stress on the components. The S-S compensation network is found to be unfeasible for those coils, and an optimized double-sided LCC compensation network is designed. The 3-phase grid connection is selected despite the 1-phase one because it gives the lowest total conduction losses. Finally, two parallel SiC MOSFETs C3M0075120K are chosen as inverter's switch because of their low conduction losses. This solution can achieve a payback time within a year with respect to the cheapest one.
AB - Industrial wireless charging systems use standardized coils to guarantee interoperability between different manufacturers. In combination with these coils, the compensation network can still be designed and optimized. This paper explains the step-by-step design of the compensation network for a 7.7 kW wireless charging system (power class WPT2), which is composed of standardized coils. The compensation network must satisfy the output power and voltage requirements, the soft-switching of the inverter, and the limit of voltage and current stress on the components. The S-S compensation network is found to be unfeasible for those coils, and an optimized double-sided LCC compensation network is designed. The 3-phase grid connection is selected despite the 1-phase one because it gives the lowest total conduction losses. Finally, two parallel SiC MOSFETs C3M0075120K are chosen as inverter's switch because of their low conduction losses. This solution can achieve a payback time within a year with respect to the cheapest one.
KW - Compensation networks
KW - Electric vehicles (EVs)
KW - Inductive power transfer
KW - Standardized coils
KW - Wireless charging
UR - https://www.scopus.com/pages/publications/85109288175
U2 - 10.1109/ISCAS45731.2020.9181016
DO - 10.1109/ISCAS45731.2020.9181016
M3 - Conference contribution
AN - SCOPUS:85109288175
T3 - Proceedings - IEEE International Symposium on Circuits and Systems
BT - 2020 IEEE International Symposium on Circuits and Systems, ISCAS 2020
PB - Institute of Electrical and Electronics Engineers
T2 - 52nd IEEE International Symposium on Circuits and Systems, ISCAS 2020
Y2 - 10 October 2020 through 21 October 2020
ER -