initial symmetrical short circuit power

[rupert gillyweed]

Hi,

I am trying to conduct a short circuit analysis using InterPSS but when I try to enter data for the bus data editor as a utility it requires that I put in the SC MVA (1P) and X/R (1P). I have the 3P information and I have never seen the 1P information asked for before now. Is there a relationship between three phase and single phase initial symmetrical short circuit power or a way to avoid inserting that information?

The information I have is as follows:
Base Volt:1000V
Voltage: 6.6kV
SC MVA (3P): 87.2
X/R (3P): 10
Angle: 84.29 (Deg)
Ungrounded

Regards,
RG

[ipss@gmail]

Hi,

SC MVA and X/R (1P) is for un-symmetric fault analysis. You can leave it empty if you only do 3P (symetric) fault analysis.

InterPSS Support

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[rupert gillyweed]

Thanks