Preliminary Results from the Dynamic Response Testing of the Howden 330-kW HAWT

Research output: NRELTechnical Report

Abstract

As part of the Department of Energy (DOE) Cooperative Field Test Program, Southern California Edison (SCE) and the Solar Energy Research Institute (SERI) performed a comprehensive dynamic response test on the 330-kW, horizontal-axis wind turbine (HAWT) manufactured by the James Howden Company. This paper presents a preliminary analysis of some data from the test. The data were analyzed usingdifferent statistical approaches. First, the mean turbine operating conditions were analyzed using the method of bins. In addition, azimuth averaging was used to separate the deterministic responses from the stochastic responses. The results presented include comparisons of mean power and load versus wind speed. Deterministic rotor-bending loads are plotted as a function of blade azimuthposition. Auto-spectral density plots are also computed for the stochastic portion of the rotor blade root-bending moments to determine their dynamic responses to turbulent wind inputs.
Original languageAmerican English
Number of pages9
StatePublished - 1987

NREL Publication Number

  • NREL/TP-217-3243

Keywords

  • horizontal-axis
  • Southern California Edison
  • wind turbines
  • wood blades

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