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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/EX17.28/Example17_28.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3472/CH17/EX17.28/Example17_28.sce')
| -rw-r--r-- | 3472/CH17/EX17.28/Example17_28.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/3472/CH17/EX17.28/Example17_28.sce b/3472/CH17/EX17.28/Example17_28.sce new file mode 100644 index 000000000..e318b6bb1 --- /dev/null +++ b/3472/CH17/EX17.28/Example17_28.sce @@ -0,0 +1,28 @@ +// 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 : 10.28 :
+// Page number 310
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+sin_delta_0 = 0.45 // Supplying percent of peak power capacity before fault
+x = 4.0 // Reactance under fault increased
+gamma_2 = 0.7 // Peak power delivered after fault clearance
+
+// Calculations
+delta_0 = asin(sin_delta_0) // δ_0(radians)
+delta_0_degree = delta_0*180/%pi // δ_0(°)
+gamma_1 = 1.0/x // γ_1
+delta_m = %pi-asin(sin_delta_0/(gamma_2)) // δ_m(radians)
+delta_m_degree = delta_m*180/%pi // δ_m(°)
+delta_c = acosd(1.0/(gamma_2-gamma_1)*((delta_m-delta_0)*sin(delta_0)+(gamma_2*cos(delta_m)-gamma_1*cos(delta_0)))) // Clearing angle(°)
+
+// Results
+disp("PART II - EXAMPLE : 10.28 : SOLUTION :-")
+printf("\nCritical clearing angle, δ_c = %.f° ", delta_c)
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