Abstract
In order to solve the problem of the received voltage drop caused by the decrease of the coiling coefficient between the primary and secondary coils at the junction of the primary coils of dynamic wireless power transfer (DWPT), a partial overlap arrangement method of primary coil for DWPT system is proposed. The two adjacent primary coils are overlapped partially, and this two coils are used simultaneously to supply power when the secondary coil is located at the junction to ensure less voltage drop without any additional controls. The LCC compensation topology is used to ensure that the output voltage of the system is not affected by mutual inductance between the primary coils. The coil transfer efficiency can be maintained at a high level at the junction. The validity of the proposed arrangement method is verified by experiments.
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