diff options
| 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/EX3.15 | |
| 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/CH3/EX3.15')
| -rwxr-xr-x | 2642/CH3/EX3.15/Ex3_15.sce | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/2642/CH3/EX3.15/Ex3_15.sce b/2642/CH3/EX3.15/Ex3_15.sce new file mode 100755 index 000000000..5f9a94737 --- /dev/null +++ b/2642/CH3/EX3.15/Ex3_15.sce @@ -0,0 +1,36 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES
+// M.A.SALAM
+// NAROSA PUBLISHING HOUSE
+// SECOND EDITION
+
+// Chapter 3 : TRANSFORMER AND PER UNIT SYSTEM
+// Example : 3.15
+
+clc;clear; // clears the console and command history
+
+// Given data
+V_L1 = 11 // three-phase transformer supply in kV
+I_P1 = 6 // three-phase transformer current in A
+a = 11 // turns ratio
+
+// caclulations
+// delta-wye
+V_dP2 = V_L1*10^3/a // phase voltage at secondary side in V
+V_dL2 = sqrt(3)*V_dP2 // line voltage at secondary side in V
+I_dP1 = a/sqrt(3) // phase current in the primary in A
+I_dL2 = a*I_dP1 // line current in secondary in A
+//Wye delta connection
+V_wP1 = V_L1*10^3/sqrt(3) // phase voltage at primary in V
+V_wP2 = V_wP1/a // phase voltage at secondary in V, V_L2=V_P2
+I_wP2 = a*I_P1 // phase current in secondary in A
+I_wL2 = sqrt(3)*I_wP2 // line current in secondary in A
+
+// display the result
+disp("Example 3.15 solution");
+printf(" \n For delta-wye connection-");
+printf(" \n Phase voltage at secondary side \n V_dL2 = %.f V \n", V_dL2);
+printf(" \n Line voltage at secondary side \n I_dL2 = %.2f A \n", I_dL2);
+printf(" \n For wye-delta connection-")
+printf(" \n Phase voltage at secondary side \n V_wL2 = %.2f V \n", V_wP2);
+printf(" \n Line current in secondary side \n I_wL2 = %.2f A \n", I_wL2);
+
|