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This paper proposes the practical realization of a PV emulator based on a buck DC/DC converter. In the beginning we established a theoretical study and a mathematical modeling of the PV model and a simulation of PV emulator based a buck converter under MATLAB-Simulink. A comparative study between results of a real PV panel and the simulated PV emulator are presented. In the next part, we realized...
Traditional BLDC motor drives use voltage source inverters (VSI) that utilize PWM and hysteresis hard switching methods. It leads to generate switching losses and need to use of large heat sinks. VSIs are costly because of low reliability and need to large DC link capacitor. Moreover, common control methods such as hysteresis current control can create variable range of high frequency noises. This...
In this paper, an innovative method to model and simulate DC-DC converters with a digital or mixed-signal control loop is proposed using the SystemC-AMS hardware-description language. The proposed method was employed to model a specific test case, consisting of a Buck converter with a digital PID regulator. The reliability of the model was checked by comparing the results with MATLAB/Simulink simulations...
In this paper performance study of converter based wind energy conversion system (WECS) has been obtained. The generator used in WECS for this study is a permanent magnet alternator (PMA) coupled to a wind turbine. It is assumed that the wind speed varies widely at the chosen site of WECS. The wide fluctuation of the wind speed produces variable dc voltage across the ac/dc converter stage. A dc-dc...
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