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ETAP Short-Circuit Analysis Report

This document provides information about a short-circuit analysis project using ETAP software. It includes: - 4 buses in the system, with 3 swing buses and 1 load bus - 3 overhead transmission lines connecting the buses - Line data including length, number of phases, resistance and reactance values - Bus data including nominal voltage, base kV, and initial voltage values - The project filename and output filename for the short-circuit analysis

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daniel.cabasa2577
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423 views11 pages

ETAP Short-Circuit Analysis Report

This document provides information about a short-circuit analysis project using ETAP software. It includes: - 4 buses in the system, with 3 swing buses and 1 load bus - 3 overhead transmission lines connecting the buses - Line data including length, number of phases, resistance and reactance values - Bus data including nominal voltage, base kV, and initial voltage values - The project filename and output filename for the short-circuit analysis

Uploaded by

daniel.cabasa2577
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Project:

ETAP Page: 1
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Electrical Transient Analyzer Program

Short-Circuit Analysis

ANSI Standard
3-Phase, LG, LL, & LLG Fault Currents
1/2 Cycle Network

Swing V-Control Load Total


Number of Buses: 3 0 1 4

XFMR2 XFMR3 Reactor Line/Cable Impedance Tie PD Total


Number of Branches: 0 0 0 3 0 0 3

Synchronous Power Synchronous Induction Lumped


Generator Grid Motor Machines Load Total
Number of Machines: 0 3 0 0 0 3

System Frequency: 60.00 Hz

Unit System: Metric

Project Filename: DanielTER_Rev2

Output Filename: C:\ETAP 1260\00_Project\DanielTER_Rev1\Untitled.SA2


Project:
ETAP Page: 2
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Adjustments

Apply Individual
Tolerance Adjustments /Global Percent

Transformer Impedance: Yes Individual

Reactor Impedance: Yes Individual

Overload Heater Resistance: No

Transmission Line Length: No

Cable Length: No

Apply Individual
Temperature Correction Adjustments /Global Degree C

Transmission Line Resistance: Yes Individual

Cable Resistance: Yes Individual


Project:
ETAP Page: 3
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Bus Input Data

Bus Initial Voltage


ID Type Nom. kV Base kV Sub-sys %Mag. Ang.

Bus4 SWNG 33.000 33.000 1 100.00 0.00

F1_Dohaibah Bus Load 33.000 33.000 1 100.00 0.00

F2_Samirah - Dohaiba OHL SWNG 33.000 33.000 1 100.00 0.00

F3_Al Matrouk-Dohaiba OHL SWNG 33.000 33.000 1 100.00 0.00

4 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 .
Project:
ETAP Page: 4
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Line/Cable Input Data

Ohms or Siemens per 1000 m per Conductor (Cable) or per Phase (Line)

Line/Cable Length

ID Library Size Adj. (m) % Tol. #/Phase T (°C) R1 X1 Y1 R0 X0 Y0


Mat-DOh 23500.0 0.0 1 90 0.191 0.465 0.372 1.377

SAM-DOH 21300.0 0.0 2 90 0.1906 0.4647 0.3723 1.377

WAS-DOH 19743.0 0.0 1 90 0.1909 0.452 0.3688 1.754

Line / Cable resistances are listed at the specified temperatures.


Project:
ETAP Page: 5
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Branch Connections

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


ID Type From Bus To Bus R X Z Y

Mat-DOh Cable F1_Dohaibah Bus F3_Al Matrouk-Dohaiba OHL 41.22 100.34 108.48

SAM-DOH Cable F2_Samirah - Dohaiba OHL F1_Dohaibah Bus 18.64 45.45 49.12

WAS-DOH Cable Bus4 F1_Dohaibah Bus 34.61 81.95 88.95


Project:
ETAP Page: 6
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Power Grid Input Data

% Positive Seq. Impedance % Zero Seq. Impedance


Power Grid Connected Bus Rating 100 MVA Base Grounding 100 MVA Base
ID ID MVASC kV X/R R X Type X/R R0 X0

Al Matrouk F3_Al Matrouk-Dohaiba OHL 249.779 33.000 12.35 3.23116 39.90478 Wye - Solid 13.80 9.189500 126.81500

Samirah F2_Samirah - Dohaiba OHL 292.190 33.000 10.42 3.26946 34.06778 Wye - Solid 11.92 9.534600 113.65200

Wassiyah Bus4 233.375 33.000 9.43 4.51862 42.61061 Wye - Solid 10.62 16.001500 169.93600

Total Power Grids (= 3 ) 775.344 MVA


Project:
ETAP Page: 7
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

SHORT- CIRCUIT REPORT

Fault at bus: F1_Dohaibah Bus

Prefault voltage = 33.000 kV = 100.00 % of nominal bus kV ( 33.000 kV)


= 100.00 % of base kV ( 33.000 kV)

Positive & Zero Sequence Impedances


Contribution 3-Phase Fault Line-To-Ground Fault Looking into "From Bus"
From Bus To Bus %V kA % Voltage at From Bus kA Symm. rms % Impedance on 100 MVA base
ID ID From Bus Symm. rms Va Vb Vc Ia 3I0 R1 X1 R0 X0

F1_Dohaibah Bus Total 0.00 4.650 0.00 129.18 124.20 2.682 2.682 1.07E+001 3.61E+001 2.24E+001 1.19E+002

F3_Al Matrouk-Dohaiba F1_Dohaibah Bus 73.73 1.189 72.02 108.76 105.04 0.706 0.747 4.44E+001 1.40E+002 8.95E+001 4.24E+002
OHL
F2_Samirah - Dohaiba F1_Dohaibah Bus 59.56 2.121 56.83 113.47 108.84 1.243 1.282 2.19E+001 7.95E+001 4.59E+001 2.48E+002
OHL
Bus4 F1_Dohaibah Bus 68.13 1.340 66.49 109.46 106.96 0.733 0.654 3.91E+001 1.25E+002 8.29E+001 4.88E+002

Al Matrouk F3_Al 100.00 1.189 100.00 100.00 100.00 0.706 0.747 3.23E+000 3.99E+001 9.19E+000 1.27E+002
Matrouk-Dohaiba OHL
Samirah F2_Samirah - Dohaiba 100.00 2.121 100.00 100.00 100.00 1.243 1.282 3.27E+000 3.41E+001 9.53E+000 1.14E+002
OHL
Wassiyah Bus4 100.00 1.340 100.00 100.00 100.00 0.733 0.654 4.52E+000 4.26E+001 1.60E+001 1.70E+002

# Indicates fault current contribution is from three-winding transformers

* Indicates a zero sequence fault current contribution (3I0) from a grounded Delta- Y transformer
Project:
ETAP Page: 8
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Fault at bus: F2_Samirah - Dohaiba OHL

Prefault voltage = 33.000 kV = 100.00 % of nominal bus kV ( 33.000 kV)


= 100.00 % of base kV ( 33.000 kV)

Positive & Zero Sequence Impedances


Contribution 3-Phase Fault Line-To-Ground Fault Looking into "From Bus"
From Bus To Bus %V kA % Voltage at From Bus kA Symm. rms % Impedance on 100 MVA base
ID ID From Bus Symm. rms Va Vb Vc Ia 3I0 R1 X1 R0 X0

F2_Samirah - Dohaiba Total 0.00 6.558 0.00 128.02 126.32 3.731 3.731 4.00E+000 2.64E+001 1.00E+001 8.68E+001
OHL

F1_Dohaibah Bus F2_Samirah - Dohaiba 41.56 1.480 39.14 117.38 115.20 0.854 0.880 3.94E+001 1.11E+002 7.99E+001 3.62E+002
OHL
Samirah F2_Samirah - Dohaiba 100.00 5.112 100.00 100.00 100.00 2.891 2.857 3.27E+000 3.41E+001 9.53E+000 1.14E+002
OHL

F3_Al Matrouk-Dohaiba F1_Dohaibah Bus 84.71 0.696 83.01 105.44 103.31 0.420 0.469 4.44E+001 1.40E+002 8.95E+001 4.24E+002
OHL
Bus4 F1_Dohaibah Bus 81.43 0.784 79.67 105.83 104.55 0.434 0.411 3.91E+001 1.25E+002 8.29E+001 4.88E+002

# Indicates fault current contribution is from three-winding transformers

* Indicates a zero sequence fault current contribution (3I0) from a grounded Delta- Y transformer
Project:
ETAP Page: 9
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Fault at bus: F3_Al Matrouk-Dohaiba OHL

Prefault voltage = 33.000 kV = 100.00 % of nominal bus kV ( 33.000 kV)


= 100.00 % of base kV ( 33.000 kV)

Positive & Zero Sequence Impedances


Contribution 3-Phase Fault Line-To-Ground Fault Looking into "From Bus"
From Bus To Bus %V kA % Voltage at From Bus kA Symm. rms % Impedance on 100 MVA base
ID ID From Bus Symm. rms Va Vb Vc Ia 3I0 R1 X1 R0 X0

F3_Al Matrouk-Dohaiba Total 0.00 5.438 0.00 126.68 125.23 3.184 3.184 4.36E+000 3.19E+001 1.07E+001 9.99E+001
OHL

F1_Dohaibah Bus F3_Al 68.30 1.101 66.20 109.30 107.55 0.654 0.674 5.53E+001 1.49E+002 1.10E+002 4.62E+002
Matrouk-Dohaiba OHL
Al Matrouk F3_Al 100.00 4.370 100.00 100.00 100.00 2.545 2.517 3.23E+000 3.99E+001 9.19E+000 1.27E+002
Matrouk-Dohaiba OHL

F2_Samirah - Dohaiba F1_Dohaibah Bus 87.25 0.675 85.46 104.57 102.86 0.412 0.446 2.19E+001 7.95E+001 4.59E+001 2.48E+002
OHL
Bus4 F1_Dohaibah Bus 89.98 0.427 88.74 103.23 102.34 0.242 0.228 3.91E+001 1.25E+002 8.29E+001 4.88E+002

# Indicates fault current contribution is from three-winding transformers

* Indicates a zero sequence fault current contribution (3I0) from a grounded Delta- Y transformer
Project:
ETAP Page: 10
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Short-Circuit Summary Report

1/2 Cycle - 3-Phase, LG, LL, & LLG Fault Currents

Prefault Voltage = 100 % of the Bus Nominal Voltage

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


ID kV Real Imag. Mag. Real Imag. Mag. Real Imag. Mag. Real Imag. Mag.

F1_Dohaibah Bus 33.00 1.324 -4.457 4.650 0.600 -2.614 2.682 3.860 1.147 4.027 3.673 2.069 4.216

F2_Samirah - Dohaiba OHL 33.00 0.982 -6.484 6.558 0.478 -3.700 3.731 5.615 0.851 5.679 5.459 2.145 5.866

F3_Al Matrouk-Dohaiba OHL 33.00 0.736 -5.388 5.438 0.374 -3.162 3.184 4.666 0.638 4.710 4.542 1.756 4.870

All fault currents are symmetrical momentary (1/2 Cycle network) values in rms kA

* LLG fault current is the larger of the two faulted line currents
Project:
ETAP Page: 11
12.6.0H
Location: Date: 28-11-2017
Contract: SN:
Engineer: Revision: Base
Study Case: SC
Filename: DanielTER_Rev2 Config.: Normal

Short-Circuit Summary Report

Bus Positive Sequence Imp. (ohm) Negative Sequence Imp. (ohm) Zero Sequence Imp. (ohm)
ID kV Resistance Reactance Impedance Resistance Reactance Impedance Resistance Reactance Impedance

F1_Dohaibah Bus 33.000 1.16711 3.92786 4.09758 1.16711 3.92786 4.09758 2.43427 12.91294 13.14039

F2_Samirah - Dohaiba OHL 33.000 0.43522 2.87246 2.90525 0.43522 2.87246 2.90525 1.09293 9.44810 9.51110

F3_Al Matrouk-Dohaiba OHL 33.000 0.47431 3.47111 3.50337 0.47431 3.47111 3.50337 1.16175 10.88262 10.94445

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