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+// Electric Machinery and Transformers
+// Irving L kosow 
+// Prentice Hall of India
+// 2nd editiom
+
+// Chapter 14: TRANSFORMERS
+// Example 14-33
+
+clear; clc; close; // Clear the work space and console.
+
+// Given data
+S = 20 ; // kVA rating of transformer
+N_1 = 230 ; // Number of primary turns
+N_2 = 20 ; // Number of secondary turns
+
+V_1 = 230 ; // Primary voltage in volt
+V_2 = 20 ; // Secondary voltage in volt
+
+// from Fig.14-31a
+// HV side SC test data
+V_sc = 4.5 ; // short circuit voltage in volt
+I_sc = 87 ; // short circuit current in A
+P_sc = 250 ; // Power measured in W
+
+// Calculations
+// case a
+V_h = V_sc ;// short circuit voltage in volt on HV side
+I_h = I_sc ;// short circuit current in A on HV side
+Z_eh = V_h /I_h ; // Equivalent immpedance reffered to the high side when coils are series connected
+
+// case b
+Z_el = Z_eh * (N_2/N_1)^2 ; //Equivalent immpedance reffered to the low side 
+// when coils are series connected
+
+// case c
+I_2_rated = (S*1000)/V_2 ; // Rated secondary current when coils are series connected
+
+// case d
+I_2_sc = S / Z_el ; // Secondary current when the coils in Fig.14-31a are 
+// short-circuited with rated voltage applied to the HV side 
+
+percent_overload = (I_2_sc/I_2_rated)*100 ; // percent overload
+
+
+// Display the results
+disp("Example 14-33 Solution : ");
+
+printf(" \n    Slight variations in answers are due to non-approximated calculations");
+printf(" \n    in scilab\n\n");
+printf(" \n a: Equivalent immpedance reffered to the high side when coils are series connected :");
+printf(" \n    Z_eh = %f ohm \n ",Z_eh);
+
+printf(" \n b: Equivalent immpedance reffered to the low side when coils are series connected :");
+printf(" \n    Z_el = %f ohm \n ",Z_el);
+
+printf(" \n c: Rated secondary current when coils are series connected :");
+printf(" \n    I_2(rated) = %d A \n",I_2_rated);
+
+printf(" \n d: Secondary current when the coils in Fig.14-31a are short-circuited :");
+printf(" \n    with rated voltage applied to the HV side :");
+printf(" \n    I_2(sc) = %d A \n",I_2_sc);
+printf(" \n    The percent overload is = %d percent",percent_overload);