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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2642/CH4/EX4.9 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2642/CH4/EX4.9')
| -rwxr-xr-x | 2642/CH4/EX4.9/Ex4_9.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/2642/CH4/EX4.9/Ex4_9.sce b/2642/CH4/EX4.9/Ex4_9.sce new file mode 100755 index 000000000..4749e112d --- /dev/null +++ b/2642/CH4/EX4.9/Ex4_9.sce @@ -0,0 +1,27 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES
+// M.A.SALAM
+// NAROSA PUBLISHING HOUSE
+// SECOND EDITION
+
+// Chapter 4 : DIRECT CURRENT GENERATORS
+// Example : 4.9
+
+clc;clear; // clears the console and command history
+
+// Given data
+P = 4 // number of poles
+Z = 500 // number of conductors
+I_a = 30 // generetor supply current in A
+alpa = 6 // brushes displaced angle in degree
+
+// caclulations
+A = P/2 // for wave connected A=P/2
+I_c = I_a/A // current per conductor in A
+AT_d = Z*I_c*alpa/360 // demagnetizing ampere turns per pole in At
+AT_c = Z*I_c*((1/(2*P))-(alpa/360)) // cross magnetizing ampere turn per pole in At
+
+
+// display the result
+disp("Example 4.9 solution");
+printf(" \n Demagnetizing ampere turns per pole \n AT_d = %.1f At \n", AT_d );
+printf(" \n Cross magnetizing ampere turn per pole \n AT_c = %.1f At \n", AT_c );
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