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A method is introduced to reduce the order of the external area model of power systems. During the modeling process of the external area, the connection variables, voltage and current vectors in the public coordinate system, are selected to describe the interaction between the study area and the external area. In order to adapt to the linear model reduction methods, the external area model is transformed...
The design of an area controller for power systems should be based on a reasonable area model, which should consist of component models, models of component controllers, and area grid models. Because the area model that can completely describe the characteristics of area grid is complex and difficult for the design of area controller, the balanced truncation method is used to reduce the order of the...
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