Search found 93 matches

by Ali.Elyaakoubi
Mon Aug 01, 2016 6:57 am
Forum: Controls
Topic: Simulation of an offshore Wind turbine 5MW based DFIG
Replies: 92
Views: 23800

Re: Simulation of an offshore Wind turbine 5MW based DFIG

Dear Mr Jonson In my simulation of 5MW NREL WT with a profile wind generated by Turbsim, the simulation works well until a moment of time it cuts about 60 to 70 seconds I thought to the profile of wind and hence I changed it, and the error always occurs If you can please point us the reason of the p...
by Ali.Elyaakoubi
Mon Aug 01, 2016 6:19 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Hello Jonson If I understand well, according to the post Fri May 13, 2016 7:05 am , we should eliminate the third ligne and the third colomn in order to obtain the system [3x3] correspond to the three DOF enbled (Rotspeed, GedSpeed DrTr) You have said in the post of Wed Sep 17, 2014 2:24 pm Yes, rem...
by Ali.Elyaakoubi
Fri Jul 29, 2016 6:54 am
Forum: Controls
Topic: Controlof 5MW Offshore WT
Replies: 2
Views: 1971

Controlof 5MW Offshore WT

Hello everbody I am entering to simulate the 5MW Ofshore WT with the baseline torque controller and the gain scheduling pitc controller based on the paper "Definition of a 5-MW Reference Wind Turbine for Offshore System Development" with FAST and simulink. I have somes doubt about the resu...
by Ali.Elyaakoubi
Sun Mar 27, 2016 5:10 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Hello that the screen shot of the simulation
by Ali.Elyaakoubi
Sat Mar 26, 2016 6:21 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

In order to obtain the Rotor-disk-averaged relative wind velocity, as we said after, I listed RtVAvgxh in Output List of AeroDyn15. After that I changed "NRELOffshrBsline5MW_Onshore_AeroDyn.dat" by "NRELOffshrBsline5MW_Onshore_AeroDyn15.dat" in Test18.fst When I conducted the sim...
by Ali.Elyaakoubi
Fri Mar 25, 2016 2:40 pm
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Tell me please what can be the cause of the problem
I listed RtVAvgxh in the Outlist of Aerodyn
I remplaced in Test18.fst the file...Onsfhore_AeroDyn by the file...Onsfhore_AeroDyn15
And when I run the simulation an error is occured indicates me that the output RtVAvgxh is not known

Sinceerly
by Ali.Elyaakoubi
Fri Mar 25, 2016 11:35 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Many thanks to you for your helps
No I am using V15 in FAST
Best regards

Ali
by Ali.Elyaakoubi
Fri Mar 25, 2016 9:12 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Thank you for your reply I agree with you the torque controller that you mentionned is the common used as you reffered in your reference"Definition of a 5-MW Reference Wind Turbine for Offshore System Development".However I am concerned to implmend a Tip Speed Ratio strategy based on liner...
by Ali.Elyaakoubi
Fri Mar 25, 2016 8:00 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Thank you very much for your quick reply About question 1 if you can clarify plus we know that the Tip Speed Ratio is MPPT control strategy to control the system in order to extract a Maximum power.In this technique the refrence rotational speed of the speed controller is given based on the wind spe...
by Ali.Elyaakoubi
Fri Mar 25, 2016 6:04 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Dear Jonson I am wondering if Omegar_opt=lambda_opt*VwindVxi/R is with rad/s i.e it s not worth to multiply it by pi/30 at the input of FAST, and even if this value is represents the reference rotational speed to the Wind Turbine If possible to generate a smoooth wind profile with Turbsim, a profile...
by Ali.Elyaakoubi
Wed Mar 23, 2016 6:34 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Dear Jonson
I means just if you are somes stuffs, its not question of expertise or waste of time for me. But in all cases thank you very much again for your response
by Ali.Elyaakoubi
Fri Mar 18, 2016 7:43 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

In order to find the torque according to wind speed and pitch, i find an difficulty in the simulations cases, it require a lot of time to change the three parameters, I asked you if there is means to perform this And if Can you please explaine me further what is the parameters that affects the conve...
by Ali.Elyaakoubi
Fri Mar 18, 2016 3:25 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Hello Jonson A comment from your post said: The standalone AeroDyn driver input file can be set up to run multiple cases for different wind speeds (WndSpeed), rotor speeds (RotSpd), and pitch angles (Pitch) via the "Combined-Case Analysis" options. You can include the rotor aerodynamic tor...
by Ali.Elyaakoubi
Mon Mar 14, 2016 2:53 pm
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Its true
Thank you very much for your help
Best regards
by Ali.Elyaakoubi
Mon Mar 14, 2016 8:00 am
Forum: Computer-Aided Engineering Software Tools
Topic: Learizing Baseline 5MW Wind Turbine with FAST
Replies: 81
Views: 19618

Re: Learizing Baseline 5MW Wind Turbine with FAST

Exactly i want the rotor inertia about the shaft I modeled the system with: Jt*dOmega_r/dt=Ta/GB-Tem(Ta is the aerodynamic torque, Tem is the electromgnetic torque, GB is the gearbox and Omega_r is the rotor speed) and Jt is the equivalent inertia of the system=Jr+GB^2*Jg So i want Jr : the rotor in...

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