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The output power of a magnetic resonant coupling wireless power transfer (WPT) system drastically decreases when the distance of couplings coils changes due to impedance mismatch. A maximum power point occurs at only one optimal distance. These characteristics are caused by limitation in design stage. This paper proposes a new impedance tuning method of tracking, for maximum power point, by adjusting...
An application of a method to determine the characteristics of an integrated system using measured characteristics of the subsystems is presented. The method is used to predict the characteristics of broadband underwater transducers concatenated with tuning coils and long cables. The effect of measurement errors on the predicted characteristics of the integrated transducer is implicitly studied by...
The MV networks are not construct as transposed that means they are non-symmetrical. This factor causes the unbalancing of the phase voltages and the zero component of voltage appears there. The distribution networks with overhead lines are operated as compensated with the arc-suppression coil connected to node of transformer. The operation with the arc-suppression coil out of tune is accompanied...
In this paper, a novel arc-suppression coil based on transformer theory is proposed. According to this theory, the reactance of the arc-suppression coil can be controlled exactly by controlling the current of secondary winding of the reactor, which is implemented by a single phase inverter. This fire-new arc-suppression coil has some excellent characteristics such as linear regulation capacity and...
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