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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/CH4/EX4.5/EX4_5.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3574/CH4/EX4.5/EX4_5.sce')
| -rw-r--r-- | 3574/CH4/EX4.5/EX4_5.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/3574/CH4/EX4.5/EX4_5.sce b/3574/CH4/EX4.5/EX4_5.sce new file mode 100644 index 000000000..633446cee --- /dev/null +++ b/3574/CH4/EX4.5/EX4_5.sce @@ -0,0 +1,34 @@ +// Example 4.5
+// Computation of (a) Shaft speed (b) Mechanical power developed
+// (c) Developed torque
+// Page No. 152
+
+clc;
+clear;
+close;
+
+// Given data
+Prcl=263; // Rotor copper loss
+Pgap=14580; // Power input to the rotor
+fs=60; // Frequency
+p=4; // Number of poles
+
+
+
+// (a) Shaft speed
+s=Prcl/Pgap; // Slip
+ns=120*fs/p; // Speed of stator
+nr=ns*(1-s); // Speed of shaft
+
+// (b) Mechanical power developed
+Pmech=Pgap-Prcl; // Mechanical power developed
+Pmechhp=Pmech/746; // Mechanical power developed in hp
+
+//(c) Developed torque
+TD=5252*Pmechhp/nr;
+
+
+// Display result on command window
+printf("\n Shaft speed = %0.1f r/min ",nr);
+printf("\n Mechanical power developed in hp = %0.2f hp ",Pmechhp);
+printf("\n Developed torque = %0.1f lb-ft ",TD);
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