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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/EX3.16 | |
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initial commit / add all books
Diffstat (limited to '2642/CH3/EX3.16')
| -rwxr-xr-x | 2642/CH3/EX3.16/Ex3_16.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/2642/CH3/EX3.16/Ex3_16.sce b/2642/CH3/EX3.16/Ex3_16.sce new file mode 100755 index 000000000..9ab6e7a35 --- /dev/null +++ b/2642/CH3/EX3.16/Ex3_16.sce @@ -0,0 +1,33 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES
+// M.A.SALAM
+// NAROSA PUBLISHING HOUSE
+// SECOND EDITION
+
+// Chapter 3 : TRANSFORMER AND PER UNIT SYSTEM
+// Example : 3.16
+
+
+clc;clear; // clears the console and command history
+
+// Given data
+V_b = 220 // voltage in V
+f = 50 // frequency in Hz
+S_b = 600 // power ratings
+R = 3 // resistance in ohm
+X_L = 5 // inducatnce in ohm
+Z = R+X_L // impedance
+
+// caclulations
+I_b = S_b/V_b // base value of current in A
+Z_b = V_b^2/S_b // base value of impedance in ohm
+R_pu = R/Z_b // per unit value of resistance in ohm
+X_Lpu = X_L/Z_b // per unit value of impedance in ohm
+Z_pu = abs(Z)/Z_b // per unit of value of impedance in ohm
+Z_pu = R_pu+%i*X_Lpu // per unit of value of impedance in ohm NOTE:alternative method
+
+// display the result
+disp("Example 3.16 solution");
+printf(" \n Per unit value of resistance \n R_pu = %.3f ohm \n", R_pu);
+printf(" \n Per unit value of impedance \n X_Lpu = %.3f ohm \n", X_Lpu);
+printf(" \n Per unit of value of impedance \n Z_pu = %.3f<%.f \n", abs(Z_pu),atand(imag(Z_pu),real(Z_pu)));
+
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