Modeling and simulation of a horizontal axis wind turbine using S4WT
Evren, Sanem and Ünel, Mustafa and Adak, Ömer Kemal and Erbatur, Kemalettin and Akşit, Mahmut Faruk (2012) Modeling and simulation of a horizontal axis wind turbine using S4WT. In: International Conference on Renewable Energy Research and Applications (ICRERA), Nagasaki, Japan
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Official URL: http://dx.doi.org/10.1109/ICRERA.2012.6477281
In this paper, modeling and simulation of a 500 KW prototype wind turbine that is being developed in the context of the MILRES (National Wind Energy Systems) Project in Turkey are presented. This prototype wind turbine has a nominal power of 500 KW at a nominal wind speed of around 11 m/s. Aerodynamic, mechanical, electrical and control models are built in S4WT (Samcef for Wind Turbines) environment. Kaimal turbulence model have been used to generate realistic wind profiles in Turbsim that can be integrated with S4WT. The standard components (tower, bedplate, rotor, rotor shaft, gearbox, generator and coupling shaft) consisting of Samcef elements (bush, hinge, beam) have been used compatible with the IEC 61400-1 in S4WT to perform the simulations. The pitch and torque controllers are used to achieve the ideal power curve. A pitch function and a PI controller with gain scheduling have been used to control the pitch angle of the blades to limit the power at the full load operating region. The generator torque which consists of an optimal mode gain method, is used to control the power at both partial and full load operating regions. The performance analysis of 500 KW wind turbine prototype is done under different scenarios including power production, start up, emergency stop, shut down and parked, and the simulation results are presented.
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