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Power system analysis by K. N. Shubhanga

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15

Dynamic Modelling of Some Electrical Machines and their Power-flow Analysis

In this chapter, dynamic models of some rotating machines such as induction motor, DC motor, and DC motor-driven synchronous generators are described.

The induction machine is discussed without a detailed derivation of the mathematical model. The main objective is to understand the nature of these models since nearly 60%–70% of power systems loads are of induction motor type. In most power system stability studies, the dynamic models of induction machines are approximated by voltage- and frequency-dependent static loads. However, a realistic representation is necessary ...

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