Apparent impedance measuring systems (AIMS)
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For the analysis of subsynchronous resonance, computer models of an electric system have generally been based on a modified 60 Hz model with short-circuit equivalents for power sources and with loads neglected. Due to the importance of validating the electric systems model, AIMS has been developed to measure the apparent impedance as a function of frequency seen at the terminals of the study generator. AIMS has been successfully applied to an extensive power system. A description is given of AIMS and the significant modeling improvement realized by it application
Published in:
Power Systems, IEEE Transactions on
(Volume:4
,
Issue:
2
)
Date of Publication: May 1989