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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/CH3/EX3.14 | |
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initial commit / add all books
Diffstat (limited to '2642/CH3/EX3.14')
| -rwxr-xr-x | 2642/CH3/EX3.14/Ex3_14.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/2642/CH3/EX3.14/Ex3_14.sce b/2642/CH3/EX3.14/Ex3_14.sce new file mode 100755 index 000000000..b585a9279 --- /dev/null +++ b/2642/CH3/EX3.14/Ex3_14.sce @@ -0,0 +1,28 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES
+// M.A.SALAM
+// NAROSA PUBLISHING HOUSE
+// SECOND EDITION
+
+// Chapter 3 : TRANSFORMER AND PER UNIT SYSTEM
+// Example : 3.14
+
+clc;clear; // clears the console and command history
+
+// Given data
+E_1 = 500 // secondary induced voltages in V
+E_2 = 450 // secondary induced voltages in V
+kVA_1 = 100 // kVA ratings of transformer
+kVA_2 = 200 // kVA ratings of transformer
+Z_1 = 0.05 // impedance of transformer
+Z_2 = 0.08 // impedance of transformer
+
+// caclulations
+Z1 =Z_1*E_1/(kVA_1*10^3/E_1) // actual impedance of 1st transformer in ohm
+Z2 = Z_2*E_2/(kVA_1*10^3/E_2) // actual impedance of 2nd transformer in ohm
+Z = %i*(Z1+Z2)
+I_c = (E_1-E_2)/(Z) // value of the circulating current
+
+// display the result
+disp("Example 3.14 solution");
+printf(" \n Value of the circulating current \n I_c = %.3f<%.f A \n", abs(I_c),atand(imag(I_c),real(I_c)));
+
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