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In electromagnetic resonance based wireless inductive power transfer (WIPT) system, voltage gain is determined by the coil inductances and the coupling coefficient of the power transmitting coils and frequency of operation. In this paper, voltage gain of an electromagnetic resonance based series-parallel compensated WIPT system is analyzed. Different control schemes are discussed to achieve high efficiency...
In this paper small-signal model of a symmetrical clamped mode controlled series-series compensated inductive power transfer (IPT) system has been derived using the extended describing function (EDF) method. The derived model has duty cycle, input voltage and switching frequency as control variables and an output voltage as an output variable. A voltage controller has been designed for symmetrical...
The main objective of this paper is to study and analyze the power supply stage of a series-series (SS) fixed-frequency inductive power transfer (IPT) system, in order to suggest effective soft switching techniques to improve its performance. Because of the characteristics of the system, zero voltage switching (ZVS) operation was used and three control strategies were compared: phase-shift (PS) control,...
In this paper, a design of the control system for parallel distributed sources is proposed. These sources are connected together using inverters in an isolated low voltage microgrid. The inverters have been used to connect distributed power sources to microgrid with the capability of modification of the voltage amplitude and frequency. Also for the first time in IEEE publications, an automatic frequency...
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