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Diffstat (limited to '3472/CH27/EX27.10')
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diff --git a/3472/CH27/EX27.10/Example27_10.sce b/3472/CH27/EX27.10/Example27_10.sce new file mode 100644 index 000000000..ee218b356 --- /dev/null +++ b/3472/CH27/EX27.10/Example27_10.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 III : SWITCHGEAR AND PROTECTION
+// CHAPTER 1: SYMMETRICAL SHORT CIRCUIT CAPACITY CALCULATIONS
+
+// EXAMPLE : 1.10 :
+// Page number 472
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+kVA_alt = 625.0 // Alternator rating(kVA)
+V_alt = 480.0 // Voltage rating of alternator(V)
+load = 500.0 // Load(kW)
+V_load = 480.0 // Load voltage(V)
+X_st = 8.0/100 // Sub-transient reactance
+
+// Calculations
+kVA_base = 625.0 // Base kVA
+V_base = 480.0 // Base voltage(V)
+I_load = load/kVA_base // Load cuurent(A)
+V = 1.0 // Terminal voltage(p.u)
+E_st = V+%i*I_load*X_st // Sub-transient voltage(p.u)
+I_st = E_st/(%i*X_st) // Sub-transient current(p.u)
+
+// Results
+disp("PART III - EXAMPLE : 1.10 : SOLUTION :-")
+printf("\nInitial symmetrical rms current at the generator terminal = (%.1f%.1fj) p.u", real(I_st),imag(I_st))
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