February 2020
Intermediate
624 pages
22h 1m
English
Content preview from Transient Analysis of Power Systems
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Chapter 7Simulation of Rotating Machine Dynamics
Juan A. Martinez‐Velasco
7.1 Introduction
Several options are currently available in the Alternative Transients Program (ATP) for simulating rotating machine dynamics [1–8]. Built‐in models do not only allow users to simulate machine dynamics, they also include other features such as automatic initialization, conversion of electrical parameters, and interface to control systems. The main goal of this chapter is to illustrate the range of applications that can be covered with the models presently available in ATP for representing rotating machines.
As for other power components, the representation of a rotating machine depends on the frequency range of the transient phenomena to be simulated. ATP models can basically be used to analyse network‐machine interactions in low‐frequency transients; some other studies, such as the simulation of inter‐turn insulation failures, cannot be performed with the current models. Insulation failures are usually originated by steep‐fronted surges, and ATP models are not valid for these frequency ranges; however, it is possible to develop accurate machine models using other ATP capabilities.
Section 7.2 summarizes the representation of rotating machines taking into account the frequency range of the transient phenomena. Section 7.3 provides a short background of ATP machine models and a summary of the models presently available through ATPDraw. Section 7.4 summarizes the capabilities and solution methods ...
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