Dynamic behavior of variable speed pump storage units in the German Electric Power System, 15th Triennial World Congress of the International Federation of Automatic Control, Barcelona, 21-26 July 2002
This paper reports about simulation studies carried out in connection with the new pump storage power plant Goldisthal of the German power company VEAG. Two units are equipped with double fed induction machine drives and thus, they are able to vary the speed. A simulation model was developed to investigate the dynamic behavior of the units in interaction with the power system. As a result of a systematic multivariable controller design, active and reactive power control channels are decoupled. The controller used in this study shows a Dead-Beat-behavior. A special feature of the controller is its ability to compensate terminal voltage changes. Simulation results in a model of the German and European Interconnected Power System demonstrate the control capabilities of the variable speed units. Copyright © 2002 IFAC
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