Results from the NREL Variable-Speed Test Bed

L. J. Fingersh; P. W. Carlin

doi:10.2514/6.1998-50

Results from the NREL Variable-Speed Test Bed

L. J. Fingersh, P. W. Carlin

National Wind Technology Center

National Renewable Energy Laboratory

Research output: Contribution to conference › Paper › peer-review

51 Scopus Citations

Abstract

The NREL Variable-Speed Test bed turbine has been used to examine the performance and controllability of a variable-speed, variable-pitch turbine. Control strategies that eliminate drive-train torque fluctuations in high winds have been published before and example data are given here. The energy capture of a variablespeed wind turbine depends in part on its ability to successfully operate at the peak of the Cp-X, curve. The losses associated with the inability of the rotor to stay exactly on top of the curve at all have been found and quantified. New control strategies for improving energy capture in moderate winds are also proposed. The potential exists to improve overall energy capture by 5% or more.

Original language	American English
Pages	233-237
Number of pages	5
DOIs	https://doi.org/10.2514/6.1998-50
State	Published - 1998
Event	AIAA/ASME Wind Energy Symposium, 1998 - Reno, United States Duration: 12 Jan 1998 → 15 Jan 1998

Conference

Conference	AIAA/ASME Wind Energy Symposium, 1998
Country/Territory	United States
City	Reno
Period	12/01/98 → 15/01/98

Bibliographical note

Publisher Copyright:
© 1998 by the American Institute of Aeronautics and Astronautics, Inc.

NREL Publication Number

NREL/CP-500-25564

Access to Document

10.2514/6.1998-50

Cite this

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AB - The NREL Variable-Speed Test bed turbine has been used to examine the performance and controllability of a variable-speed, variable-pitch turbine. Control strategies that eliminate drive-train torque fluctuations in high winds have been published before and example data are given here. The energy capture of a variablespeed wind turbine depends in part on its ability to successfully operate at the peak of the Cp-X, curve. The losses associated with the inability of the rotor to stay exactly on top of the curve at all have been found and quantified. New control strategies for improving energy capture in moderate winds are also proposed. The potential exists to improve overall energy capture by 5% or more.

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Results from the NREL Variable-Speed Test Bed

Abstract

Conference

Bibliographical note

NREL Publication Number

Access to Document

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