- General Support
- Oneline & User Interface
- License Key Issues
- Downloading/Installing Software
- Equipment Modeling
- DAPPER (Demand Load)
- DAPPER (Load Flow)
- DAPPER (Short Circuit)
- CAPTOR (TCC)
- Arc Flash Evaluation
- Equipment Evaluation
- Cable Ampacity
- A_Fault (ANSI)
- IEC 60909 Fault
- IEC 61363 Fault
- TMS (Transient Motor Starting)
- HI_WAVE (Harmonics)
- Unbalanced/Single Phase
- DC Systems Analysis
- Scenario Manager
- Backup & Import/Export
DAPPER (Short Circuit)
SLG Fault current flowing back to Primary of the transformer with no load
Tuesday, September 8, 2020 slg primary transformer no load secondary
Current Limiting Protective Devices and its effects on Fault Calculations
Why is the calculated SLG fault higher than the calculated 3phase fault?
The generator manufacturer says my generator will only put out so much SLG fault current (8.3kA) but PTW calculates a much higher SLG current, why?
SLG Current Calculations
Updated: Wednesday, February 15, 2017
Why am I seeing small SLG values?
slg small display vlaue
Utility Line to Ground X/R (Calculated Equation)
Which transformer connection types does not produce SLG fault current?
Datablock for Thevenin equivalent X and R value
Differences between SLG & SLG Neutral Currents for Transformers & Generators
Updated: Friday, November 13, 2020
How is the neutral impedance obtained for transformers/generators based on the neutral current limit?