نتایج جستجو برای: power factor

تعداد نتایج: 1305120  

A. Chitsaz P. Mojaver S. Jafarmadar, S. Khalilarya

Fuel cells directly convert chemical energy into electrical power using electrochemical reactions. Solid oxide fuel cell (SOFC) is one of the high-temperature fuel cells that propose a promising future from the standpoint of power generation. In this study, optimization of an SOFC system is performed using Taguchi approach after verification of the model in compare with experimental results. Cu...

Journal: :International Journal of Power Electronics and Drive Systems (IJPEDS) 2015

Journal: :international journal of electrical and electronics engineering 0
e. abirii m.r. salehiii a. abrishamifariii

active filters have proven to be more effective than passive techniques to improve power quality and to solve harmonic and power factor problems due to nonlinear loads. this paper proposes a control scheme based on the instantaneous active and reactive power. the inverter of this active filter is a three-phase, two-level converter. space vector technique is used as modulators and pattern genera...

Journal: :Electronics and Communications 2014

Journal: :Transactions of the American Institute of Electrical Engineers 1920

Journal: :Scientific American 1919

Journal: :IEEE Transactions on Power Electronics 2019

صدوق, محمد , عرب مارکده, غلامرضا ,

Direct torque control (DTC) is a fast and simple torque control method for induction motor without speed sensor. Conventional AC-DC-AC converter has a large DC link capacitor and low power factor in the input power line. In the matrix converters the DC link capacitor can be reduced and the unity input power factor can be obtained. In this paper a new method for direct torque and stator flux con...

Journal: :Nigerian Journal of Technology 2014

In design of a parallel resonant induction heating system, choosing a proper capacitancefor the resonant circuit is quite important. The capacitance affects the resonant frequency, outputpower, Q-factor, heating efficiency and power factor. In this paper, the role of equivalent seriesresistance (ESR) in the choice of capacitance is significantly recognized. Optimal value of resonancecapacitor i...

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