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Diffstat (limited to '83/CH5/EX5.2/example_5_2.sce')
-rwxr-xr-x | 83/CH5/EX5.2/example_5_2.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/83/CH5/EX5.2/example_5_2.sce b/83/CH5/EX5.2/example_5_2.sce new file mode 100755 index 000000000..925e68d2e --- /dev/null +++ b/83/CH5/EX5.2/example_5_2.sce @@ -0,0 +1,28 @@ +//Chapter 5 +//Example 5.2 +//page 134 +//To find voltage at the bus at the power station end +clc;clear; + +base_MVA=5; +base_kV=33; +pf=0.85; +cable_impedance=(8+%i*2.5); +cable_impedance=cable_impedance*base_MVA/(base_kV^2); + +transf_imp_star=(0.06+%i*0.36)/3; //equivalent star impedance of winding of the transformer +Zt=(transf_imp_star*5/(6.6^2))+((0.5+%i*3.75)*5/(33^2)); +total=cable_impedance+2*Zt; + +load_MVA=1; +load_voltage=6/6.6; +load_current=1/load_voltage; + +Vs=load_voltage+load_current*(real(total)*pf+imag(total)*sin(acos(pf))); +Vs=Vs*6.6; +printf('\n\nCable impedance= (%0.3f+j%0.4f) pu\n',real(cable_impedance),imag(cable_impedance)); +printf('\nEquivalent star impedance of 6.6kV winding of the transformer =(%0.2f+j%0.2f) pu\n',real(transf_imp_star),imag(transf_imp_star)); +printf('\nPer unit transformer impedance,Zt=(%0.4f+j%0.3f) pu\n',real(Zt),imag(Zt)); +printf('\nTotal series impedance=(%0.3f+j%0.3f) pu\n',real(total),imag(total)); +printf('\nSending end Voltage =|Vs|=%0.2fkV (line-to-line)',Vs); + |