Multi‑mode switching and charging area division of multi‑transmitter IPT system

Da Li; Pan Sun; Kai Ji; Yan Liang; Yilin Liu; Xusheng Wu

Multi‑mode switching and charging area division of multi‑transmitter IPT system

Vol. 24, No. 7, pp. 1177-1188, Jul. 2024

10.1007/s43236-024-00855-9

Multi-transmitter

Multi-working mode

Charging area division

Anti-off set performance

Abstract

How to improve the efficiency of IPT systems in the case of transceiver coil misalignment is a core problem that needs to be solved urgently. Compared with single-transmitter IPT systems, multi-transmitter ones exhibit greater power supply flexibility, which ensures stable operation despite misalignment. A topology of a multi-transmitter IPT system is proposed in this study. A grouping and switching control strategy of 3 × 3 multi-transmitter coils is designed on the basis of reconfi gurable inverter. A method for charging area division is also put forward to improve the effi ciency of the IPT system under the condition of power priority. Compared with the traditional multi-transmitter IPT system, the new multi-transmitter topology proposed in this study can realize the independent operation of each transmitter coil with the minimum number of passive devices.

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Cite this article

[IEEE Style]

D. Li, P. Sun, K. Ji, Y. Liang, Y. Liu, X. Wu, "Multi‑mode switching and charging area division of multi‑transmitter IPT system," Journal of Power Electronics, vol. 24, no. 7, pp. 1177-1188, 2024. DOI: 10.1007/s43236-024-00855-9.

[ACM Style]

Da Li, Pan Sun, Kai Ji, Yan Liang, Yilin Liu, and Xusheng Wu. 2024. Multi‑mode switching and charging area division of multi‑transmitter IPT system. Journal of Power Electronics, 24, 7, (2024), 1177-1188. DOI: 10.1007/s43236-024-00855-9.