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The use of renewable sources of energy to charge electric vehicle (EV) batteries have drawn tremendous interest at present. The need for charging of EVs at convenient locations such as residential areas and semi commercial locations such as office parking lots and shopping malls have generated great interest in the use of solar energy for charging of the EV batteries where there is space restrictions...
Use of renewable sources of energy for charging of electric vehicle(EV) batteries have generated tremendous interest. The use of off-board DC chargers to reduce the weight and increase space inside an electric vehicles has been an important area of interest. Harvesting solar energy to charge electric vehicle batteries can result in large inefficient systems when multiple power conversion stages are...
One of the major issues in a single phase inverter topology is the 120Hz ripple which needs large decoupling capacitors. Big bulky electrolytic capacitors can be an issue in applications where compact size and high power density are requirements such as solar converter chargers. In z source inverter systems, the design of the impedance network is critical. In single phase z source inverter systems,...
This paper provides an approach to use novel ferrite core geometries and winding configurations to improve effectiveness for electric vehicle wireless charging systems using magnetic resonant inductive power transfer (RIPT). Using ferrite magnetic cores improves the efficiency of IPT and magnetic resonance based IPT systems, and can reduce unwanted stray magnetic radiation in addition to improving...
In this paper, a single stage highly efficient photovoltaic grid interconnected charging infrastructure has been designed for off-board DC charging for electric vehicles. This paper starts with the design of a single phase H-bridge quasi-z-source inverter (qZSI), component design and the pulse width modulation technique used. Then it discusses the control techniques used to control the power flow...
In this paper, a hybrid multilevel inverter topology for the generation of dodecagonal space vectors is presented which eliminates all (6n±1), n=odd harmonics from the motor phase currents in the entire range of modulation with an increase in the range of linear modulation. The topology is a hybrid of flying capacitor, H-bridge and conventional two-level inverter cells. With this topology, any standard...
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