Governor models can be an important variable affecting the dynamic performance of electrical power systems. One example is the Alaskan Railbelt system whose major source of generation is from combustion turbines. Detailed dynamic simulation models have been proposed for two types of governor controllers. A field test was conducted to derive model parameters. The models derived from field test recordings and data were compared in simulation cases with typical models that were used in earlier studies. Results from the simulation cases revealed that the typical models were more optimistic.

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