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//Electric Power Generation, Transmission and Distribution by S.N.Singh
//Publisher:PHI Learning Private Limited
//Year: 2012 ; Edition - 2
//Example 3.5
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
kVpry=220; //Primary voltage of Transformer in kV
kVsec=400; //Secondary voltage of Transformer in kV
MVAb=240; //Apparent Base power in Transformer in MVA
Zpry=3+%i*8; //Primary Impedance of Transformer in Ohm
Zsec=5+%i*10; //Secondary Impedance of Transformer in Ohm
Zlv=(Zpry)+(Zsec)*(kVpry/kVsec)^2; //Impedance referred to LV side in Ohm
Zlvpu=(Zlv)*(MVAb/(kVpry)^2); //Per unit impedance referred to LV side in p.u. Ohm
Zhv=(Zsec)+(Zpry)*(kVsec/kVpry)^2; //Impedance referred to HV side in Ohm
Zhvpu=(Zhv)*(MVAb/(kVsec)^2); //Per unit impedance referred to HV side in p.u. Ohm
printf("\nPer unit impedance referred to the L.V side is %.6f + j%.6f",real (Zlvpu),imag (Zlvpu));
printf("\nPer unit impedance referred to the H.V side is %.6f + j%.6f",real (Zhvpu),imag (Zhvpu));
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