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Wireless power transfer (WPT) is the technology which enables transfer of electric power without wires. It is based on the principle of electromagnetic induction. There are two main modes of WPT, inductive and resonance based coupling. In either of these methods, for the highest possible efficiency to be achieved, the transmitter and receiver coil should be aligned perfectly with each other, but in...
Recent days, the demand for wireless power transfer (WPT) system is highly growing since it is more convenient, reliable and safer solution for electric vehicle (EV) consumers. Static and dynamic power transfer systems are the two opted appreciable wireless charging techniques for user friendly EVs. In static and dynamic charging systems, low power transfer efficiency (ηp) between transmitter and...
Magnetic resonance coupling (MRC) based wireless power transfer (WPT) system is recognized as an efficient and promising technology for safe, convenient and elegant charging solution for various electronic portable devices. MRC technology helps in transferring power wirelessly from transmitter to receiver over larger distances. However in such loosely coupled systems, low power transfer efficiency...
Wireless transfer of power is an ever growing field of technology which has a wide array of applications ranging from charging of electric vehicles (EVs) to small devices such as medical implants. This can be implemented through highly resonant near field coupling of electromagnetic resonators. This work primarily focuses on the development of a wireless power transformer for implanted medical devices...
PMBLDC motors are extensively used in industrial and household applications with an emphasis on Electric vehicles due to their significant advantages over conventional AC machines. The paper aims at design, simulation and hardware realization of complete PMBLDC Drive for Electric Vehicle applications. The drive system is modelled and simulated in Simulink Environment. As a part of hardware implementation,...
Advancement in technology enhances the need for quick and efficient ways of charging electric devices. Increased need for portability has motivated us to make use of Wireless Power Transfer technology (WPT). In this paper, Magnetic Resonant Technique (MRT) based WPT system has been used to transfer the power wirelessly over larger airgaps. The conventional electric vehicles uses a battery as the main...
Research on developing the applications of Wireless Power Transfer System (WPTS) has increased considerably during last few years. Due to functional and environmental benefits, charging of electric vehicles via WPTS has been contemplated in academic and industrial research. The WPTS based on Magnetic Resonant Coupling Technique (MRCT) is considered as an efficient way for contactless power transfer...
Wireless power transfer (WPT) is one of the safe and convenient way of transmitting power for short range distances. But its efficiency is lower than wired power transfer due to low coupling coefficient and improper coupling between transmitter and receiver. In the field of inductively coupled wireless power transfer, identifying and enabling of appropriate reluctance path between the transmitter...
This paper deals with the design and modelling aspects of hybrid energy storage system (HESS) used in Electric vehicles. Modelling of HESS includes modelling of battery, Ultra-capacitor and the vehicle load modelling for Light electric vehicle used in the work. A detailed analysis for vehicle load is carried out to find out capacity of motor, battery and ultra-capacitor in both acceleration and in...
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