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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...
The Hall effect thruster is an electric propulsion device for space applications that efficiently reduces the propellant mass requirements on a spacecraft in comparison with chemical rockets. To date, the Hall effect thruster technology relies on the thermionic cathodes that consume up to 10% of the total propellant used in the system to neutralize the ion beam of the thruster; however, such propellant...
To meet advancing market demands, microprocessor embedded memory applications require denser and faster memory arrays with each process generation. Recent work presented an 18.5 ns 128 Mb DRAM with a floating body cell for conventional DRAM products and a 4 Mb memory macro using a memory cell built with two floating body transistors. This paper presents a floating-body Z-RAMreg memory cell to fabricate...
In meander line antenna the size of the dipole at given frequency is reduced by a factor that is proportional to the number of turns. The adjacent horizontal segments of the meander line antenna have opposite phase. The transmission line current neither contributes much to the radiated power nor produce losses. At the location where the current reaches maximum value at that point large amount of power...
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