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Reliability Evaluation of a Wind Power Delivery System Using an Approximate Wind Model

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3 Author(s)
Karki, R. ; Saskatchewan Univ., Saskatoon, Sask. ; Hu, P. ; Billinton, R.

The power generated by a wind turbine generator depends mainly on the wind speed, and varies randomly with time. It could be very useful from a practical application point of view if an approximate wind power generation model can be developed, which is relatively simple to use in a reliability study, and requires relatively little wind data for the site of interest. Large wind farms are installed in locations with good wind resources, and they need to be connected to a power system grid. This paper presents a simplified wind speed model that can generate wind speed probability distributions for multiple wind farm sites if their annual mean wind speed and standard deviation values are known. The developed wind speed model can be combined with the wind turbine generator characteristics to obtain a simplified wind farm generation model that can be further modified to incorporate the effect of the transmission line on wind power delivery. The results from reliability studies on a test system are presented. The effects on the system reliability of different system parameters, such as the system load levels, and the size and length of the transmission line are analyzed

Published in:

Universities Power Engineering Conference, 2006. UPEC '06. Proceedings of the 41st International  (Volume:1 )

Date of Conference:

6-8 Sept. 2006