Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 1

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

Short Circuit Analysis

Electrical Transient Analyzer Program

3-Phase, LG, LL, & LLG Fault Currents

ETAP PowerStation

IEC 909 Standard

Total

Number of Buses:

Swing Generator Load Total

Number of Branches:

XFMR2 Reactor Line/Cable Impedance Tie PDXFMR3 Total

Number of Machines:

Generator Motor MachinesGrid

Synchronous Synchronous Induction

Load

Lumped

1 1 4

4 0 2 0 0 0

2 0 0 0 0

6

6

2

Power

System Frequency: 50 Hz

Unit System: English

Project Filename: 03111004064-SC2

Output Filename: C:\ETAP 400\PowerStation\03111004064-SC2\SC-2.SI2

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 2

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

BUS Input Data

ID Type Nom. kV %Mag. Ang. MW Mvar MW Mvar

Bus Initial Voltage Generation Motor Load

Base kV

13.800 13.800SWNG 100.0Bus1 0.0

20.000 20.000Load 100.0Bus2 0.0

20.000 20.000Load 100.0Bus3 0.0

13.800 13.800Gen. 25.000 0.000 100.0Bus4 0.0

20.000 20.000Load 100.0Bus5 0.0

20.000 20.000Load 100.0Bus6 0.0

6 Buses Total 25.000

All voltages reported by PowerStation are in % of bus Nominal kV. Base kV values of buses are calculated and used internally by PowerStation.

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 3

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

LINE / CABLE Input Data

ID Library Size #/PhaseT (°C)

R1 X1 Y1

Line/Cable

R0 X0 Y0

Ohms or Mohs / 1000 ft per Conductor (Cable) or per Phase (Line)

Length(ft)

Line1 82000.0 1 0.030488 0.091463 0.060976 0.121951 75

Line2 49200.0 1 0.060976 0.121951 0.030488 0.091463 75

Line / Cable resistances are listed at the specified temperatures.

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 4

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

2-WINDING TRANSFORMER Input Data

ID MVA Prim. kV Sec. kV % Z X/R Prim. Sec.

Transformer % Tap Setting

% Tol.

Rating Z Variation

+ 5% - 5%

Phase Shift

Type Angle% Z

Adjusted

T1 100.000 13.800 20.000 6.500 34.1 0 0 0 0 Std Pos. Seq. 0.0 0 6.5000

T2 100.000 20.000 13.800 6.500 34.1 0 0 0 0 Std Pos. Seq. 0.0 0 6.5000

T3 100.000 13.800 20.000 6.500 34.1 0 0 0 0 Std Pos. Seq. 0.0 0 6.5000

T4 100.000 20.000 13.800 6.500 34.1 0 0 0 0 Std Pos. Seq. 0.0 0 6.5000

2-WINDING TRANSFORMER Grounding Input Data

ID MVA Prim. kV Sec. kV

Transformer

Type Type Amp Type Amp

Rating Prinary Secondary

Grounding

Conn.

SolidD/Y 20.000 13.800 100.000T1

SolidD/Y 13.800 20.000 100.000T2

SolidD/Y 20.000 13.800 100.000T3

SolidD/Y 13.800 20.000 100.000T4

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 5

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

BRANCH CONNECTIONS

ID From Bus To Bus R X ZType

CKT/Branch % Impedance, Pos. Seq., 100 MVAbConnected Bus ID

Y

T1 Bus1 0.19 6.50 6.50Bus22W XFMR

T2 Bus3 0.19 6.50 6.50Bus42W XFMR

T3 Bus1 0.19 6.50 6.50Bus52W XFMR

T4 Bus6 0.19 6.50 6.50Bus42W XFMR

Line1 Bus2 62.50 187.50 197.64Bus3Line

Line2 Bus5 75.00 150.00 167.71Bus6Line

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 6

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

GENERATOR Input Data

ID Type MVA kV RPM R X"

Synchronous Generator Rating % Impedance (Machine Base)

% PF R/X Xd, sat Type

Excitation

Conn. Type Amp

Grounding

0.200 1500 13.800 100.000Gen1 Turbo 0.20 99999.90 0.00 Turbine 130%Reactor 15.00 85.00 Wye

0.080 1500 13.800 100.000Gen2 Turbo 0.08 99999.90 0.00 Turbine 130%Reactor 25.00 85.00 Wye

Total Connected Synchronous Generators ( = 2.00 ) : 200.000 MVA

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 7

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

SHORT- CIRCUIT REPORT

Fault at bus: Bus5

Nominal kV = 20.000 Voltage factor (C) = 1.10

Looking into "From Bus"

ID Symm. rmsFrom BusID Va

From Bus To Bus % V kA % Voltage at From Bus

Contribution3-Phase Fault

Vb Vc Ia 3I0 R1 X1 R0 X0

kA Symm. rms % Impedance on 100 MVA base

Line-To-Ground Fault

Positive & Zero Sequence Impedances

Bus5 Total 0.00 48.885 0.00 101.33 98.69 48.886 48.886 1.91E-001 6.50E+0004.87E-001 6.48E+000

Bus6 Bus5 96.53 1.828 64.35 119.77 118.99 1.218 0.000 7.53E+001 1.57E+002

Bus1 Bus5 96.59 47.188 97.75 100.34 98.54 47.753 48.886 1.91E-001 6.50E+0004.10E-001 6.72E+000*

3-Phase L-G L-L L-L-G

Initial SymmetricalCurrent (kA, rms) : 48.885 48.886 42.336 49.524

Peak Current (kA), Method C : 125.698 125.699 108.857 127.340

Breaking Current (kA, rms, symm) : 48.886 42.336 49.524

Steady State Current (kA, rms, Max.) : 65.137 48.886 42.336 49.524

# Indicates a fault current contribution from a three-winding transformer

* Indicates a zero sequence fault current contribution (3I0) from a grounded Delta-Y transformer

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 8

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

Short-Circuit Summary Report

3-Phase, LG, LL, LLG Fault Currents

ID kV

Bus

I"k ip Ik I"k I"k Ikip ip I"kIb Ib Ib

3-Phase Fault Line-to-Ground Fault Line-to-Line Fault *Line-to-Line-to-Ground

Ik ip Ik

Bus5 20.000 48.885 125.698 65.137 48.886 125.699 48.886 48.886 42.336 108.857 42.336 42.336 127.340 49.524 49.524 49.524

All fault currents are in rms kA. Current ip is calculated using Method C.

* LLG fault current is the larger of the two faulted line currents.

Location: Lab DSTL

Engineer: Eka Samherma

Study Case: SC

4.0.0C

Page: 9

SN: KLGCONSULT

Filename: 03111004064-SC2

Project: Short Circuit 2

ETAP PowerStation

Contract:

Date: 10-03-2014

Revision: Base

Config.: Normal

Short-Circuit Summary Report

ID kV

Bus

Resistance Reactance Impedance

Positive Sequence Imp. (ohm) Zero Sequence Imp. (ohm)

Resistance Reactance Impedance

Bus5 20.000 0.01949 0.25910 0.25983 0.00762 0.25989 0.26000