Validering av vattenkraftmodeller i ARISTO
Sammanfattning: This master thesis was made to validate hydropower models of a turbine governor, Kaplan turbine and a Francis turbine in the power system simulator ARISTO at Svenska Kraftnät. The validation was made in three steps. The first step was to make sure the models was implement correctly in the simulator. The second was to compare the simulation results from the Kaplan turbine model to data from a real hydropower plant. The comparison was made to see how the models could generate simulation result that was similar to the reference power station. The third was to validate in which way the Francis turbine model influenced the simulation result from a small power system. Data from the Swedish black start test system was available and used as reference data. The main question for step three was if the simulation result got better and more like reference data if the Francis turbine model was used. The result showed that the models was correct implemented in ARISTO and that the models can generate simulation result that was similar to reference data if the correct parameters was collected from individual power plants. The torque tables for the turbines models and the parameters for the PID-controller in the turbine governor had greater impact on the simulation results then other parameter in the models. Key word: turbine, hydropower models, power system simulation
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