DescriptionVariation-couple-uf.svg	variation du couple/vitesse lors de la commande en U/F d'une machine asynchrone
Date	25 May 2007
Source	Own work
Author	Yves-Laurent Allaert
Permission (Reusing this file)	I, the copyright holder of this work, hereby publish it under the following licenses: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue You may select the license of your choice.

Save this script to file "Variation-couple-uf" then run the command line "gnuplot couple_mas", you will get Variation-couple-uf.svg, if you have well installed gnuplot 4.0 or later.

set terminal svg
set encoding iso_8859_1
set border
set mxtics
set mytics
set grid xtics ytics
set xlabel "N(tr/min)"
set ylabel "C(Nm)"
set xrange [0:3400]
set yrange [0:32]
set output "Variation-couple-uf.svg"
cmax=30
gmax=0.11
fn=50
gm(x) = gmax*fn/x
g(x,fs) = 1 - x/(60*fs)
Tem(x,fs)  = 2*cmax*1/(gm(fs)/g(x,fs)+g(x,fs)/gm(fs))
plot Tem(x,50) title "f=50Hz" with lines lw 2, \
     Tem(x,40) title "f=40Hz" with lines lw 2, \
     Tem(x,30) title "f=30Hz" with lines lw 2, \
     Tem(x,20) title "f=20Hz" with lines lw 2, \
     Tem(x,10) title "f=10Hz" with lines lw 2