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Diffstat (limited to '3472/CH17/EX17.3/Example17_3.sce')
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diff --git a/3472/CH17/EX17.3/Example17_3.sce b/3472/CH17/EX17.3/Example17_3.sce new file mode 100644 index 000000000..958fb26e1 --- /dev/null +++ b/3472/CH17/EX17.3/Example17_3.sce @@ -0,0 +1,41 @@ +// 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 : 10.3 :
+// Page number 270-271
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+E_1 = 1.25 // Sending end voltage(p.u)
+x_d = 1.0 // Reactance(p.u)
+x_T1 = 0.2 // Reactance(p.u)
+x_l1 = 1.0 // Reactance(p.u)
+x_l2 = 1.0 // Reactance(p.u)
+x_T2 = 0.2 // Reactance(p.u)
+E_2 = 1.0 // Receiving end voltage(p.u)
+x_L = 1.0 // Shunt inductor reactance(p.u)
+x_C = 1.0 // Shunt capacitor reactance(p.u)
+
+// Calculations
+// Case(a)
+Z_1_a = x_d+x_T1+(x_l1/2.0) // Reactance(p.u)
+Z_2_a = x_T2+x_d // Reactance(p.u)
+Z_3_a = x_L // Reactance(p.u)
+Z_a = Z_1_a+Z_2_a+(Z_1_a*Z_2_a/Z_3_a) // Transfer reactance(p.u)
+P_max_1 = E_1*E_2/Z_a // Maximum power transfer if shunt inductor is connected at bus 2(p.u)
+// Case(b)
+Z_1_b = x_d+x_T1+(x_l1/2.0) // Reactance(p.u)
+Z_2_b = x_T2+x_d // Reactance(p.u)
+Z_3_b = -x_C // Reactance(p.u)
+Z_b = Z_1_b+Z_2_b+(Z_1_b*Z_2_b/Z_3_b) // Transfer reactance(p.u)
+P_max_2 = E_1*E_2/Z_b // Maximum power transfer if shunt capacitor is connected at bus 2(p.u)
+
+// Results
+disp("PART II - EXAMPLE : 10.3 : SOLUTION :-")
+printf("\nCase(a): Maximum power transfer if shunt inductor is connected at bus 2, P_max1 = %.3f p.u", P_max_1)
+printf("\nCase(b): Maximum power transfer if shunt capacitor is connected at bus 2, P_max2 = %.2f p.u", P_max_2)
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