Can i calculate short-circuit ratio SCR using pss/e ?

asked 2021-05-24 16:53:20 -0500

souha
13 ●7 ●8 ●9

hi currently i am working on a Ieee9 bus test case to perform short circuit analysis and i want to know if pss/e gives the value of SCR as an output

answered 2021-05-25 00:43:31 -0500

perolofl

3312 ●1 ●8 ●18

The SCR is not calculated, but activity ASCC reports the short circuit power at the bus for three-phase faults. From that you can calculate SCR.

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I have a question about short-circuit analysis can i plot short circuit current Icc? if yes how can i do that ? thnx.

Swej ( 2021-05-25 05:57:15 -0500 )edit

Do you mean to plot the short circuit current in a dynamic simulation?

perolofl ( 2021-05-25 07:01:06 -0500 )edit

yes exactly can i do that ?

Swej ( 2021-05-25 07:50:52 -0500 )edit

Split the faulted bus in saved case and add a MVA channel for the new ZIL between the buses. Calculate and plot the fault current with method 1 described in post "Monitor branch current in dynamic study".

perolofl ( 2021-05-25 10:23:30 -0500 )edit

thanks for your help

Swej ( 2021-05-25 11:26:38 -0500 )edit

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Can i calculate short-circuit ratio SCR using pss/e ?

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