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Equilibrium point simpower system multimachine model.

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luis ramon merchan villalba
Answered: Joel Van Sickel on 17 Sep 2020
If I run a load flow, I suppose that the states relates to a simplified synchronous machine remain constant until a disturb occur, but when I run a Phasor simulation, the Rotor angle and the Rotor speed present a little variation. So, Can this little variation be given by the solution calculated for the numeric method?

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Answers (1)

Joel Van Sickel
Joel Van Sickel on 17 Sep 2020
Hello Luis,
in phasor simulation, everything is held to a fixed frequency. If you want to explore the dynamics of rotor speed changing, I would recommend using a continuous simulaiton instead. This still works with initializaiton through load flow. However, the fact that rotor angle isn't changing is problematic unless your rotor speed is zero. I wonder if something else is wrong.
Regards,
Joel

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