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Power system model validation study using wide-area frequency data

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1 Author(s)
Rovnyak, S.M. ; Dept. of Electr. & Comput. Eng., Indiana Univ., Indianapolis, IN, USA

This paper uses wide-area monitoring system (WAMS) recordings of dynamic events to assess the validity of large-scale time-domain stability simulations. In 2003 there were four power system monitors installed in the Energy transmission network ranging from Arkansas to New Orleans. We compared real and simulated measurements for a small set of events which had known causes. We applied an event location algorithm to the real and simulated frequency measurements. The actual frequency change resulting from a loss of generation event is about twice as large as that predicted by the model. We also observed that the simulation model was more oscillatory than the actual system.

Published in:

Power and Energy Society General Meeting, 2010 IEEE

Date of Conference:

25-29 July 2010