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 IEC 60909 Fault
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Equipment Modeling

Zero Sequence Impedance in Cables
Updated: Monday, April 30, 2018 zero sequence impedance cable equation formula library r x

Transformer Typical X/R
Friday, January 6, 2017

Induction Motor Default starting PF and LRA
Updated: Monday, March 13, 2017

Synchronous Condenser Modeling Information
Updated: Monday, March 13, 2017

Modeling HighLeg (Open Delta) Transformer

Modeling Open Wye  Open Delta Transformer
Updated: Monday, March 13, 2017

Modeling of Grounding XFMR
Updated: Monday, March 13, 2017

Modeling a ZigZag Grounding transformer
Updated: Wednesday, December 14, 2016

Modeling 3Winding Transformer
Monday, June 6, 2016

Modeling 4Winding Transformer
Updated: Monday, March 28, 2016

Modeling a Current Transformer on the neutral side of the Generator windings

Modeling a Bus Duct

Modeling Current Limiting Reactors

Modeling a Variable Frequency Drive

Modeling an Uninterruptible Power Supply

Modeling a series reactor (Cable Component)
Updated: Tuesday, June 7, 2016

Modeling an Induction Generator
Updated: Tuesday, June 7, 2016

How to model the ground connection circuit of a generator?

How to use given LinetoLine (LL) ShortCircuit (SC) information to calculate 3P SC contribution for Utility

Transformer Nominal and Full Load Rating

How do I enter generator datasheet information into the Component Editor?
Updated: Tuesday, June 27, 2017

How do I enter manufacturer provided AC reactor value for VFD components?

Tolerance Field for Utility Component

What is the Starting PF to be entered for Motors?

Significance of “Half Resistance” column under the “Shunt Admittance” tab for Cable modeling?

Offnominal Transformer Tap Settings & PhaseShifting Transformers
Updated: Tuesday, December 22, 2015

UPS and its effects on certain studies

If I’ve entered a group of motors at various buses in my system but I only want 60% of them running at a time, how do I enter that?

Per Unit Impedance Calculation for Utility

Why is the calculated zero sequence impedance a negative value?