A Novel Method for Estimating Wind Turbines Power Output Based on Least Square Approximation
Mehdi Kazemi1, Arman Goudarzi2
1Mehdi Kazemi, E.E. Dept. Mapua Institute of Technology, Manila, Philippines.
2Arman Goudarzi, E.E. Dept. Mapua Institute of Technology, Manila, Philippines.
Manuscript received on September 20, 2012. | Revised Manuscript received on October 05, 2012. | Manuscript published on October 30, 2012. | PP: 97-101 | Volume-2 Issue-1, October 2012.  | Retrieval Number: A0704092112/2012©BEIESP

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Abstract: According to modernization in all over the world, renewable energies are getting more issues in power systems. Wind energy is one of the most promising renewable energies which could be utilized in power system to supply load demand. Installation of wind turbine generator (WTG) as a fuel saver and environment protector is too attractive since the manufacturing cost of WTGs is reduced. Computing the power output of a wind turbine generator is one of the most important issues which could affect the scheduling of the grid incorporated with wind farms. Many methods and models have been discussed in previous studies which are not accurate to predict the wind power output. This paper presents a new method to model power output of WTGs based on least square approximation and performance curve of the WTG which is given by the manufacturers. To demonstrate the capability of the method a case study composed of four WTGs with different power output each was conducted and the results have been compared with the previous models and found that this method is more accurate and reliable than other methods that have ever been introduced.
Keywords: Hybrid Power System, Renewable Energy Sources, WTGs, linear Regression, Least Square Approximation.