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Title: Maximizing Energy Capture of Fixed-Pitch Variable-Speed Wind Turbines

Abstract

Field tests of a variable-speed, stall-regulated wind turbine were conducted at a US Department of Energy Laboratory. A variable-speed generating system, comprising a doubly-fed generator and series-resonant power converter, was installed on a 275-kW, downwind, two-blade wind turbine. Gearbox, generator, and converter efficiency were measured in the laboratory so that rotor aerodynamic efficiency could be determined from field measurement of generator power. The turbine was operated at several discrete rotational speeds to develop power curves for use in formulating variable-speed control strategies. Test results for fixed-speed and variable-speed operation are presented along with discussion and comparison of the variable-speed control methodologies. Where possible, comparisons between fixed-speed and variable-speed operation are shown.

Authors:
;
Publication Date:
Research Org.:
National Renewable Energy Lab., Golden, CO (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
763310
Report Number(s):
NREL/CP-500-27551
TRN: AH200033%%146
DOE Contract Number:  
AC36-99GO10337
Resource Type:
Conference
Resource Relation:
Conference: 38th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV (US), 01/10/2000--01/13/2000; Other Information: PBD: 1 Aug 2000
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; AERODYNAMICS; ENERGY EFFICIENCY; FIELD TESTS; ROTORS; WIND TURBINES; ELECTRIC GENERATORS; PERFORMANCE; WIND TURBINE; VARIABLE-SPEED WIND TURBINE; ENERGY CAPTURE; STALL-REGULATED; RESONANT POWER CONVERTER; ROTOR AERODYNAMIC EFFICIENCY; ROTATIONAL SPEEDS

Citation Formats

Pierce, K., and Migliore, P. Maximizing Energy Capture of Fixed-Pitch Variable-Speed Wind Turbines. United States: N. p., 2000. Web. doi:10.2514/6.2000-32.
Pierce, K., & Migliore, P. Maximizing Energy Capture of Fixed-Pitch Variable-Speed Wind Turbines. United States. doi:10.2514/6.2000-32.
Pierce, K., and Migliore, P. Tue . "Maximizing Energy Capture of Fixed-Pitch Variable-Speed Wind Turbines". United States. doi:10.2514/6.2000-32. https://www.osti.gov/servlets/purl/763310.
@article{osti_763310,
title = {Maximizing Energy Capture of Fixed-Pitch Variable-Speed Wind Turbines},
author = {Pierce, K. and Migliore, P.},
abstractNote = {Field tests of a variable-speed, stall-regulated wind turbine were conducted at a US Department of Energy Laboratory. A variable-speed generating system, comprising a doubly-fed generator and series-resonant power converter, was installed on a 275-kW, downwind, two-blade wind turbine. Gearbox, generator, and converter efficiency were measured in the laboratory so that rotor aerodynamic efficiency could be determined from field measurement of generator power. The turbine was operated at several discrete rotational speeds to develop power curves for use in formulating variable-speed control strategies. Test results for fixed-speed and variable-speed operation are presented along with discussion and comparison of the variable-speed control methodologies. Where possible, comparisons between fixed-speed and variable-speed operation are shown.},
doi = {10.2514/6.2000-32},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {8}
}

Conference:
Other availability
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