Results 141 to 150 of about 180,287 (259)

Analysis of Failure and Maintenance Records in Aging Wind Farms to Inform End‐of‐Life Asset Management

open access: yesWind Energy
As a considerable number of operational wind farms worldwide approach their end‐of‐life (EOL), critical decisions regarding their future will need to be made, including whether to repower, life‐extend, or decommission wind turbine assets.
Amr U. Elsahhar   +3 more
doaj   +1 more source

A 100 kW experimental wind turbine: Simulation of starting, overspeed, and shutdown characteristics [PDF]

open access: yes
The ERDA/NASA 100 kW experimental wind turbine is modeled on a digital computer in order to study the performance of a wind turbine under operating conditions. Simulation studies of starting, overspeed, and shutdown performance were made.
Gilbert, L. J.
core   +1 more source

Comparison of upwind and downwind rotor operations of the DOE/NASA 100-kW Mod-O wind turbine [PDF]

open access: yes
Three aspects of the test results are compared: rotor blade bending loads, rotor teeter response, and nacelle yaw moments. As a result of the tests, it is shown that while mean flatwise bending moments were unaffected by the placement of the rotor ...
Corrigan, R. D.   +2 more
core   +1 more source

Operating experience with four 200 kW Mod-0A wind turbine generators [PDF]

open access: yes
The windpowered generator, Mod-0A, and its advantages and disadvantages, particularly as it affects reliability, are discussed.
Birchenough, A. G.   +3 more
core   +1 more source

The effect of yaw on horizontal axis wind turbine loading and performance [PDF]

open access: yes
The Mod-0 100 kW experimental wind turbine was tested to determine the effects of yaw on rotor power, blade loads and teeter response. The wind turbine was operated for extended periods at yaw angles up to 49 deg to define average or mean response to yaw.
Corrigan, R. D.   +2 more
core   +1 more source

DOE large horizontal axis wind turbine development at NASA Lewis Research Center [PDF]

open access: yes
Large wind turbine activities managed by NASA Lewis are reviewed. These activities include results from the first and second generation field machines (Mod-OA, -1, and -2), the status of the Department of Interior WTS-4 machine for which NASA is ...
Linscott, B. S.
core   +1 more source

Data annotation and feature extraction in fault detection in a wind turbine hydraulic pitch system

open access: yesRenewable Energy, 2021
P. Korkos   +3 more
semanticscholar   +1 more source

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