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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3760/CH5/EX5.8 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3760/CH5/EX5.8')
| -rw-r--r-- | 3760/CH5/EX5.8/Ex5_8.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/3760/CH5/EX5.8/Ex5_8.sce b/3760/CH5/EX5.8/Ex5_8.sce new file mode 100644 index 000000000..f9282a7a3 --- /dev/null +++ b/3760/CH5/EX5.8/Ex5_8.sce @@ -0,0 +1,11 @@ +clc;
+ef=1.2; // ratio of excitation voltage to rated per phase voltage
+i=0.7; // ratio of armature current to rated current
+r=0.01; // percentage resistance of motor
+x=0.5; // percentage reactance of motor
+// as per the expression given in book
+t1=ef^2-(r*i)^2-(x*i)^2-1;
+t2=sqrt((2*i*r)^2+(2*i*x)^2);
+t3=atand((2*i*r)/(2*i*x)); // terms needed to find out power factor
+pf=cosd(asind(t1/t2)-t3);
+printf('Power factor is %f lagging',pf);
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