Untitled - Complete LG

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ETAP Location: 7.0.0 Engineer: Electrical Transient Analyzer Program Short-Circuit Analysis IEC 60909 Standard 3-Phase, LG, LL, & LLG Fault Currents Short-Circuit Current Based on User-Defined c Factor Swing V-Control Load Total Number of Buses: 1 3 7 11 XFMR2 XFMR3 Reactor Line/Cable Impedance Tie 6 0 0 1 0 Synchronous Synchronous Lumped Generator Motor Load Total 3 1 0 0 0 Project: Page: Date: Contract: SN: Revision: Study Case: SC Filename: sanjen 42 Config.: Number of Power Grid Inducti on Machine s Number of System Frequency: 50 Hz Unit System: Metric

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Transcript of Untitled - Complete LG

Short-Circuit Current Based on User-Defined c Factor
Swing
V-Control
Load
Total
Adjustments
Apply
Individual
Tolerance
Adjustments
/Global
Percent
11 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.
Line/Cable Input Data
Ohms or Siemens per 1000 m per Conductor (Cable) or per Phase (Line)
Line/Cable
Length
ID
Library
Size
2-Winding Transformer Input Data
Grounding
Transformer
Rating
Conn.
Primary
Secondary
ID
MVA
ID
Type
Synchronous Generator Input Data
% Impedance in Machine Base
SHORT- CIRCUIT REPORT
Fault at bus
From Bus
To Bus
# Indicates fault current contribution is from three-winding transformers * Indicates a zero sequence fault current contribution (3I0) from a grounded Delta-Y transformer
Short-Circuit Summary Report
Bus
*Line-to-Line-to-Ground
ID
kV
I"k
ip
Ik
I"k
ip
Ib
Ik
I"k
ip
Ib
Ik
I"k
ip
Ib
Ik
Bus7
135.300
5.243
10.642
4.901
5.584
11.335
5.584
5.584
4.556
9.247
4.556
4.556
5.564
11.294
5.564
5.564
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.
Sequence Impedance Summary Report