Institutions
|
About Us
|
Help
|
Gaeilge
0
1000
Home
Browse
Advanced Search
Search History
Marked List
Statistics
A
A
A
Author(s)
Institution
Publication types
Funder
Year
Limited By:
Subject = stochastic wind velocity model;
3 items found
Sort by
Title
Author
Item type
Date
Institution
Peer review status
Language
Order
Ascending
Descending
25
50
100
per page
Bibtex
CSV
EndNote
RefWorks
RIS
XML
Displaying Results 1 - 3 of 3 on page 1 of 1
Marked
Mark
A Stochastic Model for Wind Turbine Power Quality using a Levy Index Analysis of Wind Velocity Data
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek
A Stochastic Model for Wind Turbine Power Quality using a Levy Index Analysis of Wind Velocity Data
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek
Abstract:
The power quality of a wind turbine is determined by many factors but time-dependent variation in the wind velocity are arguably the most important. After a brief review of the statistics of typical wind speed data, a non- Gaussian model for the wind velocity is introduced that is based on a Levy distribution. It is shown how this distribution can be used to derive a stochastic fractional diusion equation for the wind velocity as a function of time whose solution is characterised by the Levy index. A Levy index numerical analysis is then performed on wind velocity data for both rural and urban areas where, in the latter case, the index has a larger value. Finally, an empirical relationship is derived for the power output from a wind turbine in terms of the Levy index using Betz law.
https://arrow.dit.ie/engscheleart/146
Marked
Mark
Non-Gaussian Analysis of Wind Velocity Data for the Determination of Power Quality Control
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek
Non-Gaussian Analysis of Wind Velocity Data for the Determination of Power Quality Control
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek
Abstract:
The quality of power (i.e. the sustainable power output as a function time) of any wind dependent energy converter (including wind turbines and wave energy converters) is determined by many design and environmental factors but timedependent variations in the wind speed are arguably the most important. In this paper we consider a non-Gaussian model for analysing and then simulating wind velocity data. In particular, we consider a Lévy distribution for the statistical characteristics of wind velocity and show how this distribution can be used to derive a stochastic fractional diffusion equation for the wind velocity as a function of time whose solution is characterised by the L´evy index. A L´evy index based numerical analysis is then performed on wind velocity data for both rural and urban areas where, in the latter case, the index is shown to have a larger value. Finally, an empirical relationship is derived for the power output from a wind turbine in terms of the L´evy index using ...
https://arrow.dit.ie/engscheleart2/51
Marked
Mark
Wind Turbine Power Quality Estimation Using a Lévy Model for Wind Velocity Data
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek Joseph
Wind Turbine Power Quality Estimation Using a Lévy Model for Wind Velocity Data
(2011)
Blackledge, Jonathan; Coyle, Eugene; Kearney, Derek Joseph
Abstract:
The power quality of a wind turbine is determined by many factors but time-dependent variation in the wind velocity are arguably the most important. In this paper a non-Gaussian model for the wind velocity is introduced that is based on a Lévy distribution. It is shown how this distribution can be used to derive a stochastic fractional diffusion equation for the wind velocity as a function of time whose solution is characterised by the Lévy index. A numerical method for computing the L´evy index from wind velocity time series is introduced and applied to example wind velocity data for both rural and urban areas where, in the latter case, the index is observed to have a larger value. Finally, an empirical relationship is derived for the power output from a wind turbine in terms of the Lévy index using Betz law.
https://arrow.dit.ie/engscheleart/182
Displaying Results 1 - 3 of 3 on page 1 of 1
Bibtex
CSV
EndNote
RefWorks
RIS
XML
Item Type
Conference item (1)
Journal article (2)
built by Enovation Solutions