Chapter 1Introduction to Transients Analysis of Power Systems with ATP
Juan A. Martinez‐Velasco
1.1 Overview
Transient analysis has become a fundamental methodology for understanding the performance of power systems, determining power component ratings, explaining equipment failures, or testing protection devices. The study of transients is a mature field that can help to analyse and design modern power systems.
A significant effort has been dedicated to the development of new techniques and software tools adequate for transient analysis of power systems. Sophisticated models, complex solution techniques, and powerful simulation tools have been developed to perform studies that are of paramount importance in the analysis and design of modern power systems. Current tools for transient analysis can be applied into a myriad of studies (e.g. overvoltage calculation, flexible AC transmission systems (FACTS) and Custom Power applications, protective relay performance, power quality studies) for which detailed models and accurate solutions can be crucial.
Transient phenomena in power systems are associated with disturbances caused by faults, switching operations, lightning strikes, or load variations. These phenomena can stress and damage power equipment. The importance of their study is basically due to the effects they can have on the system performance or the failures they can cause to power equipment. Therefore, protection against these stresses is necessary. This protection can be ...
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