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Inductive power transfer (IPT) systems for on-road dynamic charging of electric vehicles (EVs) must employ tracks with minimal copper and ferrite core material for improving coupling and field shaping without sacrificing on power transfer efficiency across the air gap. This paper details the multi-objective optimisation of IPT coil systems with respect to efficiency of power transfer (η), material...
One of the fundamental drawbacks of the conventional LCL resonant inductive power transfer (IPT) system is the inverter highly distorted ac-current. As a consequence, the on-state and switching losses are increased. In order to overcome these disadvantages, this paper introduces an improved IPT system. The proposed improvement comprises notch filters, along with LCL filter in the inverter side of...
A major problem concerning On Road Charging of Electric Vehicles via Inductive Power Transfer (IPT) links is the large variation in power transfer and efficiency due to displacement of the secondary from the primary. This paper looks into this problem referred to as misalignment, both laterally and longitudinally. For lateral misalignment, experimental results were obtained by considering horizontal...
A complicating aspect in the control design of resonant inductive power transfer systems is the absence of a direct communication link between primary and (multiple) secondary system sides. This paper introduces a new adaptive sliding-mode control surface, which continuously adapts the inductive system's input power to the required, but unknown, variable load power. As a result, an indirect communication...
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