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This article presents a method for optimising the daily operation (minimising the total operating cost) of a hybrid photovoltaic-wind-diesel-battery system using model predictive control. The model uses actual weather forecasts of hourly values of wind speed, irradiation, temperature and load. Five control variables are optimised, and thus their optimal set points values determine the optimal control...
Advanced PWM charge controllers for lead-acid batteries of PV systems use state of charge (SOC) control and Maximum Power Point Tracking (MPPT). The simulation of the PV system and the effect of the SOC control and MPPT on its performance and on the batteries lifetime is shown.
Nowadays, the great use of small induction motors in domestic applications and other industrial applications justify the development of new servo-drives and motor designs. The main objective should be to improve the efficiency and to consume energy with a clean absorption of current harmonic from the mains. Thereby, this paper presents an application for the speed control of a small single/two phase...
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