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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/EX39.21 | |
| 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/EX39.21')
| -rw-r--r-- | 3472/CH39/EX39.21/Example39_21.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3472/CH39/EX39.21/Example39_21.sce b/3472/CH39/EX39.21/Example39_21.sce new file mode 100644 index 000000000..e7b059c35 --- /dev/null +++ b/3472/CH39/EX39.21/Example39_21.sce @@ -0,0 +1,25 @@ +// 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 : 1.21 :
+// Page number 705
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+t = 1.0 // Time(hour)
+hp = 15.0 // Motor rating(hp)
+T = 2.0 // Time constant(hour)
+theta_f = 40.0 // Temperature rise(°C)
+
+// Calculations
+P = (1.0/(1-exp(-t/T)))**0.5*hp // One-hour rating of motor(hp)
+
+// Results
+disp("PART IV - EXAMPLE : 1.21 : SOLUTION :-")
+printf("\nOne-hour rating of motor, P = %.f hp\n", P)
+printf("\nNOTE: Changes in the obtained answer from that of textbook is due to more approximation in the textbook solution")
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