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In this paper, Implementation of an integrated 2–in–1 transformer applicable to power supply units (PSUs) for a 120W LED TV is presented. The transformer is comprised a PFC inductor and an LLC resonant transformer, each of which is placed and integrated on an E-I-E type magnetic core. Integrated transformers with two different air gap topologies (i.e., the side gap and center gap topologies) are considered...
In this paper, a method of impedance matching for wireless power transfer (WPT) to multiple receivers is presented considering cross coupling effects between non-adjacent coils. For maximizing power transfer efficiency, design of a source coil and optimal load impedance are achieved based on circuit analysis and mutual inductance calculation. For verification, a WPT system of a transmitter and three...
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