File:Flyback continuous discontinuous french.svg

Summary[edit]

DescriptionFlyback continuous discontinuous french.svg	Français : Vue des modes de conduction continue et discontinue d'une flyback English: Evolution of the output voltage of a flyback converter with the output current.
Date	07/04/2008
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.

Gnuplot script[edit]

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

# This file is used to plot the domains of continuous and
# discontinuous operation of a Flyback converter

# graph configuration
set terminal svg enhanced fname "Times" fsize 16
set encoding iso_8859_15
unset title
set key off
set mxtics
set mytics
set grid xtics ytics
set ylabel "Tension normalisée" font "Times, 20"
set xlabel "Courant normalisé" font "Times, 20"
set format y '%0.1f'
set format x "%0.2f"
set samples 1000

# labels displayed on the graph
set label 1 "Conduction\n discontinue" at 0.05,9 front center
set label 2 "Conduction\n continue" at 0.19,9 center
set label 4 "\\alpha=0,1" at 0.21,1.05 right front nopoint tc lt 1
set label 5 "\\alpha=0,3" at 0.21,2.6 right front nopoint tc lt 2
set label 6 "\\alpha=0,5" at 0.21,5.5 right front nopoint tc lt 3
set label 7 "\\alpha=0,7" at 0.21,12.1 right front nopoint tc lt 4

# normalized voltage=g(normalized current)
m=5
fdisc(x,D) = m*D**2/(2*x)
fcont(x,D) = m*D/(1-D)
g(x,D) = fdisc(x,D)<=fcont(x,D)?fcont(x,D):fdisc(x,D)

#parametric functions for plotting of domain limit
set parametric
my_x(t) = t*(1-t)/(2)
my_y(t) = m*t/(1-t)

set output "Flyback_continuous_discontinuous_french.svg"

# the plot is set as parametric, so each curve is defined by two values: x,y
plot [0:1][0:0.25][0:20] t,g(t,0.1) with lines lw 2 lt 1, \
        t,g(t,0.3) with lines lw 2 lt 2, \
        t,g(t,0.5) with lines lw 2 lt 3, \
        t,g(t,0.7) with lines lw 2 lt 4, \
        my_x(t),my_y(t) with lines lw 2 lt 5