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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 /3472/CH39/EX39.29/Example39_29.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3472/CH39/EX39.29/Example39_29.sce')
| -rw-r--r-- | 3472/CH39/EX39.29/Example39_29.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/3472/CH39/EX39.29/Example39_29.sce b/3472/CH39/EX39.29/Example39_29.sce new file mode 100644 index 000000000..520026cba --- /dev/null +++ b/3472/CH39/EX39.29/Example39_29.sce @@ -0,0 +1,27 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 1: INDUSTRIAL APPLICATIONS OF ELECTRIC MOTORS
+
+// EXAMPLE : 1.29 :
+// Page number 710
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+hp = 50.0 // Motor rating(hp)
+N = 600.0 // Speed(rpm)
+energy = 276.0 // Stored energy(kg-m/hp)
+
+// Calculations
+g = 9.81
+T = hp*746*60/(2*%pi*N*g) // Full load torque of motor(kg-m)
+J = hp*energy*2*g/(2*%pi*N/60)**2 // Moment of inertia(kg-m^2)
+alpha = T*g/J // Angular acceleration(rad/sec^2)
+t = 2*%pi*N/(60*alpha) // Time taken to accelerate the motor to rated speed(sec)
+
+// Results
+disp("PART IV - EXAMPLE : 1.29 : SOLUTION :-")
+printf("\nTime taken to accelerate the motor to rated speed, t = %.2f sec", t)
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