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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/EX5.12 | |
| 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/EX5.12')
| -rw-r--r-- | 3760/CH5/EX5.12/Ex5_12.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3760/CH5/EX5.12/Ex5_12.sce b/3760/CH5/EX5.12/Ex5_12.sce new file mode 100644 index 000000000..83f2fa811 --- /dev/null +++ b/3760/CH5/EX5.12/Ex5_12.sce @@ -0,0 +1,16 @@ +clc;
+v=415; // rated volatge of motor
+pf=0.9; // leading power factor
+ps=15000; // shaft power
+E=400; // excitation emf
+r=0.5; // per phase resistance
+vt=v/sqrt(3); // rated per phase voltage
+e=E/sqrt(3); // per phase excitation emf
+c1=1.5;
+c2=-sqrt(3)*v*pf;
+c3=ps; // coefficients of quadratic equation in armature current
+p= [ c1 c2 c3 ];
+ia=roots(p);
+// higher value of armature current is neglected
+xs=((vt*sqrt(1-pf^2))-(sqrt(e^2-(vt*pf+ia(2)*r)^2)))/ia(2);
+printf('Synchronous reactance is %f ohm',xs);
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