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Design of a Universal Wireless Charging System for Mobile and Laptop Applications
Pruthvi T.V., Kavitha M., Bobba P.B., Reddy D.M.
Published in Institute of Electrical and Electronics Engineers Inc.
Advancement in the VLSI industry has brought out the drastic demand for numerous electronic devices such as mobiles, notepads, and computers etc. Its long charging cables create an inconvenience for the users. To replace such cables, an elegant wireless charging technique has been introduced to the current electronic industry. In this paper, a universal wireless charging system (UWCS) is designed, in which two segmented coils are connected series in fashion by means of electronic switches. The UWCS, on the whole, is suitable for laptop application and a small part of its design is used for the mobile application. As per the load requirement, the switching conditions of UWCS gets automatically changes. In UWCS, misalignment is the recurrently occurring dispute which diminishes the coupling factor between transmitter and receiver pads. In such systems, selection of proper coil structure is the preliminary significant part of its design. In this paper, several coil structures are chosen and simulated under various misalignment cases. The misalignment's effect and the shape of coil structure on various parameters of the wireless charging system are detailed in the paper. In addition, the variation of magnetic fields between transmitter and receiver pads for distinct misalignment cases are observed and analyzed in this paper. Thus, this paper provides the better coil-structure for a feasible UWC system for mobile and laptop applications. © 2018 IEEE.
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Published in Institute of Electrical and Electronics Engineers Inc.
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