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The influence of annealing treatment on structure properties of the indium tin oxide (ITO) films has been investigated. ITO films annealed to improve quality films were prepared by RF sputtering system at 100 W. The samples at different thicknesses were deposited on non-heated glass slide at room temperature. Annealing temperature in pure nitrogen atmosphere for 15 minutes was varied at 200, 300,...
This paper discusses a power analysis of the two-stage current source converter for single-phase grid-connected photovoltaic system applications. The aim of this research is to analyze the active powers of the converter. The proposed two-stage power conversion topologies are consisting of a dc-dc converter and a single-phase current source inverter. This dc-dc converter operated with a phase shifted...
The aim of this paper is to present the application of three cells of a single phase ac-chopper interfacing with series injection transformer for compensating voltage sag in three phase four wire system. Each ac-chopper cell is independently controlled by instantaneous value voltage control technique. This technique is a comparison between the sinusoidal reference signal and the active triangle signal...
This paper presents a 0.5 V quasi-floating gate self-cascode DTMOS current-mode precision full-wave rectifiers (PFWR). The circuit is designed based on improved Wilson current mirrors. All MOS transistors are biased on the edge of conduction, enabling the circuit to operate at low voltage with low power consumption. Negative feedback mechanism of the Wilson current mirror and cross coupling techniques...
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