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The aim of this study is to analyze the economic impact of photovoltaic energy generation by a prospective campus microgrid to be installed at the University of Science and Technology (USTO). In this work, hourly solar irradiation and temperature data provided from the local weather office is used to study the distribution and duration of solar radiation over the campus. The generated solar photovoltaic...
In this paper a multilevel converter is used to control the speed of an Electric Vehicle (EV). Vector control is applied to control an induction motor and a variable speed profile with acceleration and deceleration stages is analyzed. During the deceleration stage, energy should be recovered from the machine. For this purpose, the power converter must be bidirectional in current in order to ensure...
This paper proposes the modelling and control of Wind Energy Conversion Systems (WECS) based on Doubly Fed Induction Generator (DFIG). The fuzzy logic control is used to improve the extracted wind power. At given wind velocity, the mechanical power available from a wind turbine is a function of its shafts speed. Then, the rotor side converter (RSC) is controlled in the aim to follow the optimal torque...
Islanding detection is an essential function for safety and reliability in grid-connected distributed generation (DG) systems. Several methods for islanding detection are proposed in literature, but most of them may fail in multi-source configurations, or they may produce important power quality degradation when the DG penetration is high. This paper presents theoretical analysis and evaluation of...
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