• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2016, Volume: 9, Issue: 20, Pages: 1-11

Original Article

Categories, Standards and Recent Trends in Wireless Power Transfer: A Survey


Background/Objectives: The main objective of this survey is to identify the innovative ideas of wireless charging, its history, types and also the various standards adopted along with the challenges, scope and its salient features. Methods/ Statistical Analysis: This wireless charging is an ingenious approach that transfers the electrical power via the ­atmospheric medium. In general, it uses the magnetic field or a microwave instead of the traditional copper cables in order to transfer the power. Findings: WPT is the acronym of Wireless Power Transfer. Wireless Power Transfer is an emerging trend that revolutionizes the way of transferring power without cables and makes our life wireless. Now a days, there is a great development in the cruising range of electronic devices, the main issue in these gadgets is frequently charging the ­rechargeable batteries and connected to the power supply via a chord. One of the most significant failures of the electronic devices is surmounted by using the concept of wireless power transfer. WPT is a convenient, flexible and safe technology available to energize electronic gadgets. Applications/Improvements: Wireless charging can be applicable for automatic wireless energy transfer, consumer electronics, industrial devices, transportation and medical devices like pacemakers, defibrillator and ventricular gadgets.

Keywords: A4WP,Induction, Microwave, PMA, Qi, Resonance, Tesla coil, Wireless Power Transfer


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