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Engineer:Study Case: SC

4.0.0C

Page: 1

SN: KLGCONSULT

Filename: 009005-009009

Project: ETAP PowerStation

Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

Short Circuit Analysis

Electrical Transient Analyzer Program

1.5-4 Cycle Network

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

ETAP PowerStation

ANSI 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 1

2 0 00 0 0

1 0 3 01

3

2

5

Power

System Frequency: 60 Hz

Unit System: English

Project Filename: 009005-009009

Output Filename: C:\Users\user\Desktop\PSLI\short.SA2

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

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

13.80013.800Gen. 3.925 1.901100.0Bus4 -30.0

120.000120.000SWNG 100.0Bus5 0.0

0.6000.600Load 1.849 0.763100.0Bus6 -60.0

3 Buses Total 0.000 5.773 2.664

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

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

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

T4 30.000 120.000 13.800 8.500 25.0 0 00 0 Std Pos. Seq. -30.00 8.5000

T5 20.000 13.800 0.600 6.000 8.0 0 00 0 Std Pos. Seq. -30.00 6.0000

2-WINDING TRANSFORMER Grounding Input Data

ID MVA Prim. kV Sec. kV

Transformer

Type Type Amp Type Amp

Rating Prinary Secondary

Grounding

Conn.

10.0ResistorD/Y13.800120.00030.000T4

200.0ResistorD/Y0.60013.80020.000T5

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

BRANCH CONNECTIONS

ID From Bus To Bus R X ZType

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

Y

T4 Bus5 1.13 28.31 28.33Bus42W XFMR

T5 Bus4 3.72 29.77 30.00Bus62W XFMR

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

POWER GRID Input Data

IDID kV X/R % R % X

Power Grid Rating Positive Seq. ImpConnected Bus

X/RType % R0 % X0

Grounding Zero Seq. Imp.

MVASC

U5 120.000 Wye - SolidBus5 2000.000 0.33260 4.98893 0.332600 4.9889315.00 15.00

Total Power Grids (= 1 ) 2000.000 MVA

SYNCHRONOUS GENERATOR Input Data

ID Type MVA kV RPM X"/R % R % X'% X"

Synchronous Generator Rating Positive Seq. Imp.

X/RConn. Type Amp % R0 % X0


0.200180013.80010.000Gen2 Turbo 10.00 15.00 50.00 0.200 10.00Wye Solid50.00

Total Connected Synchronous Generators ( = 1 ): 10.000 MVA

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

INDUCTION MACHINES Input Data

ID kVA kV RPM X"/R % R % X'% X"

Rating (Base) Positive Seq. Imp.Induction Machine

Type Qty Conn. Type Amp X/R % R0 % X0


1Mtr2 13.200 1800 3.845 153.80 230.80 15.38WyeMotor Open4360.8 3.8454.0040.00



Total Connected Induction Machines ( = 3 ): 6361.0 kVA

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

SHORT- CIRCUIT REPORT

Fault at bus: Bus4

Nominal kV = 13.800 Prefault Voltage = 100.00 % of nominal bus kV

Base kV = 13.800 = 100.00 % of base kV

ID Symm. rmsFrom BusID Va

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

Contribution 3-Phase Fault Looking into "From Bus"

Vb Vc Ia 3I0 R1 X1 R0 X0

kA Symm. rms % Impedance on 100 MVA base

Line-To-Ground Fault

Positive & Zero Sequence Impedances

Bus4 Total 0.00 16.824 0.00 133.35 131.93 8.472 2.08E+000 1.00E+0028.472 9.42E-001 2.48E+001

*Bus5 Bus4 85.00 12.552 96.43 99.84 96.23 4.079 1.26E+005 2.83E+0010.007 1.47E+000 3.33E+001

Bus6 Bus4 0.03 0.004 76.13 77.05 98.91 0.008 0.000 8.83E+003 1.06E+005

Gen2 Bus4 100.00 4.183 100.00 100.00 100.00 4.183 2.00E+000 1.00E+0028.472 2.00E+000 1.00E+002

Mtr2 Bus4 104.55 0.086 104.55 104.55 104.55 0.212 0.000 8.07E+001 4.84E+003

# Indicates fault current contribution is from three-winding transformers

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

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

Fault at bus: Bus6

Nominal kV = 0.600 Prefault Voltage = 100.00 % of nominal bus kV

Base kV = 0.600 = 100.00 % of base kV

ID Symm. rmsFrom BusID Va

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

Contribution 3-Phase Fault Looking into "From Bus"

Vb Vc Ia 3I0 R1 X1 R0 X0

kA Symm. rms % Impedance on 100 MVA base

Line-To-Ground Fault

Positive & Zero Sequence Impedances

Bus6 Total0.00 175.611 0.00 173.14 173.25 0.200

1.44E+005 2.98E+0010.200

4.66E+000 5.46E+001

*Bus4 Bus6 54.72 175.521 99.98 100.00 100.01 0.200 1.44E+005 2.98E+0010.200 4.66E+000 5.46E+001

Mtr3 Bus6 104.35 0.045 104.35 104.35 104.35 0.000 0.000 1.77E+004 2.12E+005

Mtr4 Bus6 104.35 0.045 104.35 104.35 104.35 0.000 0.000 1.77E+004 2.12E+005

# Indicates fault current contribution is from three-winding transformers

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

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SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

Short-Circuit Summary Report

Prefault Voltage = 100 % of the Bus Nominal Voltage

ID kV

Bus

Real Imag. Mag. Real Real RealImag. Imag. Imag.Mag. Mag. Mag.

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

1.5-4 Cycle - 3-Phase, LG, LL, & LLG Fault Currents

0.637 -16.812 16.824 0.246 -8.468 8.472 15.036 0.694 15.052 14.944 3.388 15.323Bus4 13.80

14.936 -174.975 175.611 0.200 0.000 0.200 153.689 14.160 154.340 -153.739 -14.159 154.390Bus6 0.60

All fault currents are symmetrical momentary (1.5-4 Cycle network) values in rms kA

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

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Page: 10

SN: KLGCONSULT

Filename: 009005-009009


Contract:

Date: 05-14-2013

Revision: Base

Config.: Normal

Short-Circuit Summary Report

ID kV

Bus

Resistance Reactance Impedance

Positive Sequence Imp. (ohm)


Zero Sequence Imp. (ohm)


Negative Sequence Imp. (ohm)

0.01793Bus4 13.800 0.47324 0.47358 0.03960 1.90434 1.904750.443300.442630.02435

0.00017Bus6 0.600 0.00197 0.00197 5.19629 0.00107 5.196290.001920.001910.00019

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