Chapter 25

Power System Loads

25.1 Load Classification 25-1

25.2 Modeling Applications 25-2

25.3 Load Modeling Concepts and Approaches 25-3

25.4 Load Characteristics and Models 25-3

25.5 Static Load Characteristics 25-6

Exponential Models • Polynomial Models • Combined Exponential and Polynomial Models • Comparison of Exponential and Polynomial Models • Devices Contributing to Modeling Difficulties

25.6 Load Window Modeling 25-10

References 25-11

Raymond R. Shoults

University of Texas at Arlington

Larry D. Swift

University of Texas at Arlington

The physical structure of most power systems consists of generation facilities feeding bulk power into a high-voltage bulk transmission network that in turn serves any number of distribution substations. ...

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