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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 /1319/CH8/EX8.12/8_12.sce | |
| 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 '1319/CH8/EX8.12/8_12.sce')
| -rw-r--r-- | 1319/CH8/EX8.12/8_12.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/1319/CH8/EX8.12/8_12.sce b/1319/CH8/EX8.12/8_12.sce new file mode 100644 index 000000000..7e8c87979 --- /dev/null +++ b/1319/CH8/EX8.12/8_12.sce @@ -0,0 +1,31 @@ +// Motor parameters at a load power factor
+
+clc;
+clear;
+
+p=4;
+f=50;
+V=400;
+pf=0.8;
+Nr=1440;
+Pm=20*(10^3); // Mechanical Power Developed
+Ns=120*f/p;
+s=(Ns-Nr)/Ns;
+
+rf=s*f; // Rotor frequency
+
+Pstat=1000; //Stator Loss
+
+// Power input to the rotor = Mechanical Power Developed / (1-s)
+
+Pirot=Pm/(1-s); // Rotor Power Input
+
+Pi=Pirot+Pstat; // Power input to stator
+
+Il=Pi/(sqrt(3)*V*pf); // Line Current
+
+printf('For a 4 pole motor running at 1440 rpm and 0.8 p.f \n')
+printf('i) Rotor Current frequency = %g Hz \n',rf)
+printf('ii) Total input if stator loss is 1000W = %g kW \n',Pi/1000)
+printf('iii) The line current = %g A \n',Il)
+
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