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diff --git a/3890/CH5/EX5.2/Ex5_2.png b/3890/CH5/EX5.2/Ex5_2.png Binary files differnew file mode 100644 index 000000000..374743351 --- /dev/null +++ b/3890/CH5/EX5.2/Ex5_2.png diff --git a/3890/CH5/EX5.2/Ex5_2.sce b/3890/CH5/EX5.2/Ex5_2.sce new file mode 100644 index 000000000..2c41de337 --- /dev/null +++ b/3890/CH5/EX5.2/Ex5_2.sce @@ -0,0 +1,27 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 5.2
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+Q=2500; //power in KVA
+v=6600; //3phase voltage in v
+pf=0.8; //power factor
+Xs=10.4; //syncronous reactance in ohm
+ra=0.071; //armature resistance in ohm
+
+th=acosd(pf);
+vt=v/(3^(1/2));
+Ia=Q*10^3/((3^(1/2))*v);
+t=cosd(th)+%i*sind(th);
+Iad=Ia*t;
+v1=Iad*Xs;
+v0=vt+%i*v1;
+Reg=(abs(v0)-vt)/vt*100;
+
+printf('The regulation is %f ',Reg)
+
+
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