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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 /147/CH14/EX14.21/Example14_21.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '147/CH14/EX14.21/Example14_21.sce')
| -rw-r--r-- | 147/CH14/EX14.21/Example14_21.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/147/CH14/EX14.21/Example14_21.sce b/147/CH14/EX14.21/Example14_21.sce new file mode 100644 index 000000000..cbf75c692 --- /dev/null +++ b/147/CH14/EX14.21/Example14_21.sce @@ -0,0 +1,21 @@ +close();
+clear;
+clc;
+//frequency of induction motor 'f', number of poles 'p'
+f1 = 60; //Hz
+p = 4;
+P = 120*1000; //W
+f2 = 3; //Hz
+s = f2/f1;
+//synchronous speed 'ns'
+ns = 120*f1/p; //rpm
+
+//(a)
+//rotor speed 'n'
+n = (1-s)*ns; //rpm
+mprintf("(a) The rotor speed, n = %d rpm\n\n",round(n));
+
+//(b)
+//rotor copper losses 'Pc'
+Pc = s*P; //W
+mprintf("(b) The rotor copper losses, Pc = %d kW",Pc/1000);
\ No newline at end of file |