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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/CH17/EX17.18/Example17_18.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3472/CH17/EX17.18/Example17_18.sce')
| -rw-r--r-- | 3472/CH17/EX17.18/Example17_18.sce | 30 |
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diff --git a/3472/CH17/EX17.18/Example17_18.sce b/3472/CH17/EX17.18/Example17_18.sce new file mode 100644 index 000000000..327aba200 --- /dev/null +++ b/3472/CH17/EX17.18/Example17_18.sce @@ -0,0 +1,30 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART II : TRANSMISSION AND DISTRIBUTION
+// CHAPTER 10: POWER SYSTEM STABILITY
+
+// EXAMPLE : 10.18 :
+// Page number 305
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+MVA = 210.0 // Rating of generator(MVA)
+P = 2.0 // Number of poles
+f = 50.0 // Frequency(Hz)
+MI = 60.0*10**3 // Moment of inertia(kg-mt^2)
+
+// Calculations
+N = 120.0*f/P // Speed(r.p.m)
+KE = 1.0/2*MI*(2*%pi*N/f)**2/10**6 // Energy stored in the rotor at rated speed(MJ)
+H = KE/MVA // Inertia constant(MJ/MVA)
+G = MVA
+M = G*H/(180*f) // Angular momentum(MJ-sec/elect.degree)
+
+// Results
+disp("PART II - EXAMPLE : 10.18 : SOLUTION :-")
+printf("\nEnergy stored in the rotor at the rated speed, KE = %.2e MJ", KE)
+printf("\nValue of inertia constant, H = %.2f MJ/MVA", H)
+printf("\nAngular momentum, M = %.3f MJ-sec/elect.degree", M)
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