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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3574/CH10/EX10.10/EX10_10.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3574/CH10/EX10.10/EX10_10.sce')
| -rw-r--r-- | 3574/CH10/EX10.10/EX10_10.sce | 43 |
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diff --git a/3574/CH10/EX10.10/EX10_10.sce b/3574/CH10/EX10.10/EX10_10.sce new file mode 100644 index 000000000..0ce9d7c99 --- /dev/null +++ b/3574/CH10/EX10.10/EX10_10.sce @@ -0,0 +1,43 @@ +// Example 10.10
+// Computation of (a) Mechanical power developed (b) Torque developed
+// (c) Shaft torque
+// Page No.427
+
+clc;
+clear;
+close;
+
+// Given data
+T=40; // Hp rating of motor
+Rf=95.3; // Field resistance
+VT=240; // Rated voltade of the machine
+IT=140; // Total current
+Racir=0.0873; // Armature circuit resistance
+n=2500; // Rated speed of the machine
+
+
+// (a) The mechanical power developed
+
+If=VT/Rf; // Field winding current
+Ia1=IT-If; // Armature current
+Ea=VT-Ia1*Racir; // Armature emf
+Pmech=Ea*Ia1; // Mechanical power
+Pmechhp=Ea*Ia1/746;
+
+// (b) Torque developed
+
+TD=7.04*Ea*Ia1/n;
+
+// (c) Shaft torque
+
+Tshaft=T*5252/n;
+
+// Display result on command window
+printf("\n Mechanical power developed= %0.0f W ",Pmech);
+printf("\n Mechanical power developed= %0.1f hp ",Pmechhp);
+printf("\n Torque developed = %0.1f lb-ft ",TD);
+printf("\n Shaft torque = %0.1f lb-ft ",Tshaft);
+
+
+
+
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