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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/CH15/EX15.3 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
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| -rw-r--r-- | 3472/CH15/EX15.3/Example15_3.sce | 34 |
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diff --git a/3472/CH15/EX15.3/Example15_3.sce b/3472/CH15/EX15.3/Example15_3.sce new file mode 100644 index 000000000..2809f6ab8 --- /dev/null +++ b/3472/CH15/EX15.3/Example15_3.sce @@ -0,0 +1,34 @@ +// 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 8: CORONA
+
+// EXAMPLE : 8.3 :
+// Page number 228
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+V = 132.0 // Operating line voltage(kV)
+f = 50.0 // Frequency(Hz)
+d = 1.17 // Diameter of conductor(cm)
+D = 300.0 // Distance b/w conductor(cm)
+m = 0.96 // Irregularity factor
+b = 72.0 // Barometric pressure(cm)
+t = 20.0 // Temperature(°C)
+
+// Calculations
+delta = 3.92*b/(273.0+t) // Air density factor
+r = d/2.0 // Radius of conductor(cm)
+E_0 = 21.1*m*delta*r*log(D/r) // Critical disruptive voltage for fair weather condition(kV/phase)
+E_0_foul = 0.8*E_0 // Critical disruptive voltage for foul weather(kV/phase)
+E = V/3**0.5 // Phase voltage(kV)
+P_fair = 244.0*10**-5*(f+25)/delta*(r/D)**0.5*(E-E_0)**2 // Corona loss for fair weather condition(kW/km/phase)
+P_foul = 244.0*10**-5*(f+25)/delta*(r/D)**0.5*(E-E_0_foul)**2 // Corona loss for foul weather condition(kW/km/phase)
+
+// Results
+disp("PART II - EXAMPLE : 8.3 : SOLUTION :-")
+printf("\nCorona loss in fair weather, P = %.3f kW/km/phase", P_fair)
+printf("\nCorona loss in foul weather, P = %.3f kW/km/phase", P_foul)
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