diff options
Diffstat (limited to '3574/CH10/EX10.8/EX10_8.sce')
-rw-r--r-- | 3574/CH10/EX10.8/EX10_8.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/3574/CH10/EX10.8/EX10_8.sce b/3574/CH10/EX10.8/EX10_8.sce new file mode 100644 index 000000000..c7887bb64 --- /dev/null +++ b/3574/CH10/EX10.8/EX10_8.sce @@ -0,0 +1,28 @@ +// Example 10.8
+// Computation of new armature current
+// Page No. 420
+
+clc;
+clear;
+close;
+
+// Given data
+Rf=120; // Resistance of inserted resistor
+VT=240; // Rated voltade of the machine
+IT=91; // Total current
+Racir=0.221; // Armature sircuit resistance
+n2=634; // New speed after resistor was inserted
+n1=850; // Rated speed OF THE MACHINE
+Rx=2.14; // Resistance inserted in series witH armature
+
+// New armature current
+
+If=VT/Rf; // Resistor current
+Ia1=IT-If; // Armature current
+Ia2=(VT-(n2/n1)*(VT-Ia1*Racir))/(Racir+Rx);
+
+
+// Display result on command window
+printf("\n New armature current = %0.2f A ",Ia2);
+
+
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