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Spoilt for Choice, Analysis of Faults

Spoilt for Choice, Analysis of Faults

Spoilt for Choice, Analysis of Faults

(OP)
I try and calculate fault current on a system coonsisting for example a generator and line and I have basic parameters. For the generator I thought the subtransient reactance would be enough but alas!  When I try now to use a Power system analysis package, it asks me for all kind of things, Xd, Xd', Xd", X2, X0, and I have no idea which of these values are being used to determine the result which I now see on the screen.  Worse, I cannot seen the input data which would give me textbook results and these screen results are far out.  Help!

RE: Spoilt for Choice, Analysis of Faults

They are all being used.  Double check your power system analysis text book and review the chapter on generators.

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