Abstract

In motor drives supplied through wireless power transfer (WPT) systems, a high frequency inverter and a low frequency one are commonly used in the primary and secondary sides of the system respectively. This arrangement causes reduced reliability and efficiency, and high cost. In this paper, a single inverter in the primary side drives an induction motor without an extra inverter in the secondary side. This is achieved by using a simple AC/AC chopper in the secondary side as a voltage demodulator. The performance of proposed wireless motor drive under a closed-loop V/ f motor control system is verified by simulation using MATLAB/SIMULINK.

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