Alternative approach to wind turbine performance index assessment

Y. Ditkovich, A. Kuperman, A. Yahalom, M. Byalsky

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a method for estimating the fixed and variable speed turbine performance index. The approach is based on Weibull wind probability distribution function and manufacturer-provided power curve. It is further shown that the existing turbine performance index formulation is only valid in case of variable speed turbines. A general approach to calculating the turbine performance index is derived, suitable for both fixed and variable speed wind turbines. Instead of choosing a particular model for approximating the power curve, commonly used polynomial fitting is employed. It is suggested to determine the best site for a given off-the-shelf turbine rather than finding the best theoretical turbine for a given site.

Original languageAmerican English
Article number06014001
JournalJournal of Energy Engineering
Volume140
Issue number4
DOIs
StatePublished - 1 Dec 2014

Keywords

  • Capacity factor
  • Turbine performance index
  • Weibull distribution
  • Wind turbine generator

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Energy Engineering and Power Technology
  • Waste Management and Disposal

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