OPTIMIZED WIRELESS POWER TRANSMISSION SYSTEM WITH MAGNETIC COUPLED RESONANCE TECHNIQUE

Abstract

 Wireless power transmission is a technique between two strongly electromagnetically coupled resonant objects which transfer energy between them.  The highest transmission and distribution losses of the wired transmission recorded is about 27-40% as per the report of WRI, in India. It is anticipated that in the field of the electrical and electronics engineering, wireless power transfer is going to pioneer the world by the elimination of wires and cables. This paper discusses the Wireless power transfer by a technique called Magnetic Coupled Resonance by which the frequencies of the resonant coils using maximum power transfer theorem. The existing Wireless Power transfer system was implemented to drive a DC load of 5 Watts. In the proposed system the energy obtained from the Wireless Power Transfer can be used to drive AC loads by incorporating suitable converters. Since the loads used in practice are AC, the DC power thus obtained is converted to AC by switching circuits. The output thus attained from Transmission of Wireless Power system is used to drive an AC load with the help of a boost converter and H-bridge inverter. The transmission distance of Wireless Power Transmission system is varied to obtain an optimum output. The simulation is carried out with the help of MATLAB and the performance is analyzed for an optimized output.