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//Electric machines and power systems by Syed A Nasar
//Publisher:Tata McGraw Hill
//Year: 2002 ; Edition - 7
//Example 8.5
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
v=96;
L=50*10^(-3);
C=80*10^(-6);
R=40;
D=R/(2*L);
w=1/(L*C)^(1/2);
wr=(w^2-D^2)^(1/2);
t=%pi/wr;
printf('the thyristor will turned off at %f*10^3 ms',t )
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