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-rwxr-xr-x1076/CH3/EX3.39/3_39.sce23
1 files changed, 23 insertions, 0 deletions
diff --git a/1076/CH3/EX3.39/3_39.sce b/1076/CH3/EX3.39/3_39.sce
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+clear;
+clc;
+
+l=300
+R=.4 *3
+X=.8*3
+Vs=11e3/sqrt(3);
+P=3000;
+pf=.8
+pfa=acos(pf)
+VIr=P/(3*pf)
+
+a=1;
+b=-Vs
+c=VIr * 1e3 * ((R*cos(pfa))+(X*sin(pfa)))
+vr=(-b+sqrt((b*b )- (4*a*c)))/(2*a)
+Ir=VIr*1e3/vr;
+Vr=vr*sqrt(3)/1000;
+mprintf("\nReceiving End Voltage = %.2f kV",Vr)
+
+Pl=3* (Ir)^2 * R/ 1000;
+eff=P*100/(P+Pl)
+mprintf("\nefficiency = %.2f percent",eff)