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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/CH10/EX10.1 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3472/CH10/EX10.1')
| -rw-r--r-- | 3472/CH10/EX10.1/Example10_1.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/3472/CH10/EX10.1/Example10_1.sce b/3472/CH10/EX10.1/Example10_1.sce new file mode 100644 index 000000000..2548e666e --- /dev/null +++ b/3472/CH10/EX10.1/Example10_1.sce @@ -0,0 +1,38 @@ +// 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 3: STEADY STATE CHARACTERISTICS AND PERFORMANCE OF TRANSMISSION LINES
+
+// EXAMPLE : 3.1 :
+// Page number 127-128
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+P = 2.0*10**6 // Power delivered(W)
+V_r = 33.0*10**3 // Receiving end voltage(V)
+PF_r = 0.8 // Receiving end lagging power factor
+R = 10.0 // Total resistance of the line(ohm)
+X = 18.0 // Total inductive resistance of the line(ohm)
+
+// Calculations
+// Case(i)
+I = P/(V_r*PF_r) // Line current(A)
+sin_phi_r = (1-PF_r**2)**0.5 // Sinφ_R
+V_s = V_r+I*R*PF_r+I*X*sin_phi_r // Sending end voltage(V)
+reg = (V_s-V_r)/V_r*100 // Voltage regulation(%)
+// Case(ii)
+PF_s = (V_r*PF_r+I*R)/V_s // Sending end lagging power factor
+// Case(iii)
+loss = I**2*R // Losses(W)
+P_s = P+loss // Sending end power(W)
+n = P/P_s*100 // Transmission efficiency(%)
+
+// Results
+disp("PART II - EXAMPLE : 3.1 : SOLUTION :-")
+printf("\nCase(i) : Percentage voltage regulation = %.3f percent", reg)
+printf("\nCase(ii) : Sending end power factor = %.2f (lag)", PF_s)
+printf("\nCase(iii): Transmission efficiency, η = %.2f percent \n", n)
+printf("\nNOTE: ERROR: pf is 0.8 and not 0.9 as mentioned in the textbook problem statement")
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