ETAP Project: 12.6.0H Location: 1 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Normal Electrical Transient Analyzer Program Short-Circuit Analysis IEC 60909 Standard 3-Phase, LG, LL, & LLG Fault Currents Swing V-Control Load Total 1 1 4 6 XFMR2 XFMR3 Reactor 4 0 0 Synchronous Power Generator Grid Number of Machines: 2 0 System Frequency: 50.00 Hz Unit System: Metric Project Filename: SC2 Output Filename: C:\ETAP 1260\SC2\SC2 Bus 2.SI2 Number of Buses: Number of Branches: Line/Cable Impedance Tie PD Total 0 6 2 0 Synchronous Induction Lumped Motor Machines Load Total 0 0 0 2 ETAP Project: 12.6.0H Location: 2 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Adjustments Apply Tolerance Individual Adjustments /Global Transformer Impedance: Yes Individual Reactor Impedance: Yes Individual Overload Heater Resistance: No Transmission Line Length: No Cable Length: No Apply Individual Adjustments /Global Transmission Line Resistance: Yes Individual Cable Resistance: Yes Individual Temperature Correction Percent Degree C Normal ETAP Project: 12.6.0H Location: 3 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Bus Input Data Bus ID Type Initial Voltage Nom. kV Base kV Sub-sys %Mag. Ang. Bus1 SWNG 12.000 12.000 1 100.00 0.00 Bus2 Load 20.000 20.000 1 100.00 30.00 Bus3 Load 20.000 20.000 1 100.00 30.00 Bus4 Load 20.000 20.000 1 100.00 30.00 Bus5 Load 20.000 20.000 1 100.00 30.00 Bus6 Gen. 10.000 10.000 1 100.00 60.00 6 Buses Total All voltages reported by ETAP are in % of bus Nominal kV. Base kV values of buses are calculated and used internally by ETAP . Normal ETAP Project: 12.6.0H Location: 4 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Normal Line/Cable Input Data Ohms or Siemens per 1000 m per Conductor (Cable) or per Phase (Line) Line/Cable Length T (C) Adj. (m) % Tol. Line1 50000.0 0.0 1 75 0.2000000 0.3000000 0.1000000 0.2000000 Line2 30000.0 0.0 1 75 0.2000000 0.3000000 0.1000000 0.2000000 ID Library Line / Cable resistances are listed at the specified temperatures. Size #/Phase R1 X1 Y1 R0 X0 Y0 ETAP Project: 12.6.0H Location: Page: 5 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Study Case: SC Config.: SC2 Normal 2-Winding Transformer Input Data Transformer ID Rating Z Variation MVA Prim. kV Sec. kV %Z T1 100.000 12.000 20.000 12.50 T2 80.000 12.000 20.000 12.50 T3 60.000 10.000 20.000 T4 50.000 10.000 20.000 X/R % Tap Setting + 5% - 5% % Tol. Prim. 45.00 0 0 0 0 45.00 0 0 0 0 12.50 45.00 0 0 0 12.50 45.00 0 0 0 Adjusted Sec. Phase Shift %Z Type Angle 0 12.5000 YNd 0 12.5000 YNd 30.000 0 0 12.5000 YNd -30.000 0 0 12.5000 YNd -30.000 30.000 2-Winding Transformer Grounding Input Data Grounding Transformer ID Rating Conn. Primary Type kV Secondary MVA Prim. kV Sec. kV Type Amp Ohm Type T1 100.000 12.000 20.000 D/Y Solid T2 80.000 12.000 20.000 D/Y Solid T3 60.000 10.000 20.000 D/Y Solid T4 50.000 10.000 20.000 D/Y Solid kV Amp Ohm ETAP Project: 12.6.0H Location: 6 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Normal Branch Connections CKT/Branch Connected Bus ID ID Type From Bus % Impedance, Pos. Seq., 100 MVAb To Bus R X Z T1 2W XFMR Bus1 Bus2 0.27 12.15 12.15 T2 2W XFMR Bus1 Bus3 0.34 15.19 15.19 T3 2W XFMR Bus6 Bus4 0.45 20.25 20.25 T4 2W XFMR Bus6 Bus5 0.54 24.30 24.30 Line1 Line Bus2 Bus4 250.00 375.00 450.69 Line2 Line Bus3 Bus5 150.00 225.00 270.42 Y ETAP Project: 12.6.0H Location: Page: 7 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Study Case: SC Filename: Config.: SC2 Normal Synchronous Generator Input Data % Impedance in Machine Base Synchronous Generator ID Rating Type MVA Grounding Xd" kV RPM % PF R Adj. Tol. R/X Xd, sat Conn. Type Excitation Amp Type Gen1 Turbo 70.588 12.000 1500 85.00 1.000 19.00 0.0 0.05 155.00 Wye Solid 0.00 Turbine 130% Gen2 Turbo 58.824 10.000 1500 85.00 1.000 19.00 0.0 0.05 155.00 Wye Solid 0.00 Turbine 130% Total Connected Synchronous Generators ( = 2,00 ) : 129,412 MVA ETAP Project: 12.6.0H Location: Page: 8 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Study Case: SC Filename: Config.: SC2 Normal SHORT- CIRCUIT REPORT Fault at bus: Nominal kV Voltage c Factor Bus2 = 20.000 = 1.10 (User-Defined) Contribution From Bus 3-Phase Fault To Bus ID ID %V kA From Bus Positive & Zero Sequence Impedances Looking into "From Bus" Line-To-Ground Fault % Voltage at From Bus Symm. rms Va Vb kA Symm. rms Vc % Impedance on 100 MVA base Ia 3I0 R1 11.797 11.797 3.12E+000 3.49E+001 X1 4.45E-001 R0 1.17E+001 X0 Bus2 Total 0.00 9.051 0.00 89.65 86.63 Bus4 Bus2 85.70 0.604 86.96 95.60 98.94 0.672 0.464 2.57E+002 4.59E+002 1.25E+002 2.70E+002 Bus1 Bus2 32.54 8.504 59.76 63.56 98.63 11.183 11.371 * 2.24E+000 3.73E+001 2.70E-001 1.21E+001 Bus6 Bus4 88.98 0.604 91.54 99.76 94.47 0.672 0.464 * 6.93E+000 8.38E+001 4.50E-001 2.02E+001 Bus3 Bus1 35.21 0.985 45.08 90.10 86.59 0.734 0.000 1.24E+002 3.71E+002 Gen1 Bus1 100.00 13.253 100.00 100.00 100.00 9.969 0.000 1.42E+000 2.69E+001 1.42E+000 9.92E+000 Initial Symmetrical Current (kA, rms) : Peak Current (kA), Method C : 3-Phase 9.051 23.334 Breaking Current (kA, rms, symm) Steady State Current (kA, rms) : : 9.051 L-G 11.797 30.412 11.797 11.797 # Indicates a fault current contribution from a three-winding transformer * Indicates a zero sequence fault current contribution (3I0) from a grounded Delta- Y transformer L-L 7.964 20.530 L-L-G 11.493 29.629 7.964 7.964 11.493 11.493 ETAP Project: 12.6.0H Location: Page: 9 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Study Case: SC Filename: Config.: SC2 Fault at bus: Nominal kV Voltage c Factor Normal Bus6 = 10.000 = 1.10 (User-Defined) Contribution From Bus 3-Phase Fault To Bus ID ID %V kA From Bus Positive & Zero Sequence Impedances Looking into "From Bus" Line-To-Ground Fault % Voltage at From Bus Symm. rms Va Vb kA Symm. rms Vc Ia 3I0 % Impedance on 100 MVA base R1 X1 Bus6 Total 0.00 22.427 0.00 89.43 88.79 28.280 28.280 3.04E+000 2.82E+001 Bus4 Bus6 3.74 1.174 50.85 53.58 98.17 0.966 0.000 2.56E+002 4.76E+002 Bus5 Bus6 7.06 1.845 50.77 55.25 98.20 1.518 0.000 1.53E+002 3.09E+002 Gen2 Bus6 100.00 19.636 100.00 100.00 100.00 25.956 28.280 1.70E+000 3.23E+001 Bus2 Bus4 86.52 0.587 93.77 89.81 99.74 0.423 0.000 1.72E+001 5.20E+002 Bus3 Bus5 84.60 0.922 92.95 88.29 99.72 0.665 0.000 2.26E+001 3.19E+002 Initial Symmetrical Current (kA, rms) : Peak Current (kA), Method C : 3-Phase 22.427 56.709 Breaking Current (kA, rms, symm) Steady State Current (kA, rms) : : 22.427 L-G 28.280 71.509 19.873 50.250 L-L-G 26.734 67.599 28.280 19.873 26.734 28.280 19.873 26.734 # Indicates a fault current contribution from a three-winding transformer * Indicates a zero sequence fault current contribution (3I0) from a grounded Delta- Y transformer L-L R0 X0 1.70E+000 1.19E+001 1.70E+000 1.19E+001 ETAP Project: 12.6.0H Location: 10 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Normal Short-Circuit Summary Report 3-Phase, LG, LL, LLG Fault Currents Bus ID 3-Phase Fault kV I"k ip Line-to-Ground Fault Ik Ib Ik 20.000 9.051 23.334 9.051 11.797 30.412 11.797 11.797 7.964 20.530 7.964 7.964 11.493 29.629 11.493 11.493 Bus6 10.000 22.427 56.709 22.427 28.280 71.509 28.280 28.280 19.873 50.250 19.873 19.873 26.734 67.599 26.734 26.734 * LLG fault current is the larger of the two faulted line currents. ip Ib Ik I"k ip *Line-to-Line-to-Ground Bus2 All fault currents are in rms kA. Current ip is calculated using Method C. I"k Line-to-Line Fault I"k ip Ib Ik ETAP Project: 12.6.0H Location: 11 Date: 24-10-2020 SN: Contract: Revision: Base Engineer: Filename: Page: Study Case: SC Config.: SC2 Normal Sequence Impedance Summary Report Bus ID Positive Seq. Imp. (ohm) kV Resistance Reactance Impedance Negative Seq. Imp. (ohm) Zero Seq. Imp. (ohm) Resistance Reactance Impedance Resistance Reactance Impedance Fault Zf (ohm) Resistance Reactance Impedance Bus2 20.000 0.12475 1.39773 1.40328 0.16548 1.34947 1.35958 0.01779 0.46815 0.46849 0.00000 0.00000 0.00000 Bus6 10.000 0.03037 0.28154 0.28318 0.04240 0.26717 0.27052 0.01700 0.11899 0.12020 0.00000 0.00000 0.00000