A simple and novel adaptive control method has been proposed to improve the efficiency of the maximum power control (MPC) technique. The proposed scheme is based on model reference adaptive power control approach using tip speed ratio method for wind turbines system (WT-s) applications to ensure the maximum energy production of a WT-s whatever the disturbances caused by variations in wind profile. The overall system model was implemented in MATLAB/Simulink® with three select mode of MPC (two conventional methods: (1) with wind speed measurement CMPCWSM and (2) with wind speed estimation CMPCWSE are compared with the proposed adaptive control method AMPC).The results demonstrate that AMPC is very effective in improving the power flow compared to the two other classical methods.
Słowa kluczowe: Wind Turbines system (WT-s), Maximum Power Control (MPC), Tip Speed Ratio (TSR), Adaptive Power Control (AMPC).
Zaproponowano nową adaptacyjną metodę sterowania w celu poprawy techniki the maximum power control (MPC). Metoda bazuje na sterowaniu mocą na określaniu szczytowej prędkości turbiny w celu określenia produkcji maksimum energii przy uwzględnieniu zakłóceń powodowanych przez zmianę wiatru.
Keywords: turbiny wiatrowe, sterowanie maksymalną mocą MPC, system adaptacyjny
In the last decades, the WE (wind energy) is becoming one of the most promising renewable energy sources due to the experienced progress. WE is playing a key role in the effort to help and satisfy global energy demand, offering the greatest opportunity to unlock a new era of environmental protection with share of renewable energy sources in the world energy mix [1-3]. In this way, it can help to solve the world energy crises and global warming problem. Therefore, WT-s must operate in such a way as to optimize the kinetic energy of the wind for optimal electrical energy [4, 5]. Although WT-s have a lower installation cost compared to photovoltaic, the overall system cost can be further reduced using high-efficiency power converters, controlled to obtain the optimum power according to current atmospheric conditions [5, 6]. Aerodynamic wind systems based on variable speed turbine have been used for many reasons. Among the WECS currently available, variable-speed based on aerodynamic wind systems are steadily increasing their market share, since changes in wind speed are followed by shaft speed control, which allows the turbine to function at its at maximum capacity regardless of wind speeds . One of the most major problems in aerodynamic wind systems is capturing as much aerodynamic wind power as possible in the shortest possible time, which can be achieved through different MPC approaches [8-10]. In order to determine the optimal operating situation of the WT-s, it is essential to include a MPPT (Maximum Power Point Tracking) algorithm in the system. Many papers for MPPT technique have been presented in the literature, with different control schemes of WT-s to extract a maximum of power from wind speed variable, such as reference , which provided an analytical and critical study of several papers published in this area including [12, 13]. To maximize and improve the quality and the quantity of energy in wind farms con [...]
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