Efficiency optimization of double-sided LCC topology for inductive power transfer systems
2021
This paper presents an optimal design method of the double-sided LCC (Inductor-capacitor-capacitor) compensation network to achieve a high efficiency by optimizing compensation factors of the primary and secondary circuit of an inductive power transfer (IPT) system. Simulation and experimental results show that with a proper selection of the compensation factors, it is possible to achieve a high and sustained efficiency over a wide load variation and misalignment. The double-sided LCC topology is compared with the LCC-S (S: series) and LCC-P (P: parallel) topology in terms of the transfer efficiency at the operating frequency of 85kHz, transfer gap of 160mm and misalignment up to 90mm. The result reveals that the designed double-sided LCC topology is superior to its counterparts in terms of transfer efficiency. A deep discussion of these topologies is included to provide insights for all three topologies analyzed in this paper.
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