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Diffstat (limited to '3871/CH7/EX7.2')
| -rw-r--r-- | 3871/CH7/EX7.2/Ex7_2.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3871/CH7/EX7.2/Ex7_2.sce b/3871/CH7/EX7.2/Ex7_2.sce new file mode 100644 index 000000000..1abd4fcb4 --- /dev/null +++ b/3871/CH7/EX7.2/Ex7_2.sce @@ -0,0 +1,30 @@ +//===========================================================================
+//chapter 7 example 2
+
+clc;clear all;
+
+//variable declaration
+x = 0.004;
+y = 0.707; //power factor lagging
+y1 = 0.5; //power factor lagging
+
+//calculaitons
+theta = atan(x) //theta in degrees
+a = cos(theta)
+b = sin(theta)
+phi = acos(y)
+c = cos(phi)/(a*cos(theta-phi)) //correction factor
+A = cos(phi)/sin(phi);
+e = (b/(A+b))*100 //percentage error in %
+phi1 = acos(y1)
+c1 = cos(phi1)/(a*cos(theta-phi1)) //correction factor
+B = cos(phi1)/sin(phi1);
+e1 = (b/(B+b))*100 //percentage error in %
+
+//result
+mprintf("correction factor when 0.707 pf lagging = %3.3f",c);
+mprintf("\npercentage error =%3.2f percentage ",e);
+mprintf("\ncorrection factor when 0.707 pf lagging = %3.3f",c1);
+mprintf("\npercentage error =%3.1f percentage ",e1)
+
+
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