Digital computer solution of stability problems

WITH THE EXPANSION and increase in complexity of power systems throughout the country, a more accurate and less time-consuming means of determining the transient stability characteristics of power networks has been required. The solution of power system transient stability problems has, in the immediate past, been accomplished primarily by the use of analogue computer such as the a-c network analyzers. In view of the recent development and availability of effective digital computing devices, a general trend in engineering is toward the use of digital computers in an increasing number of applications. Of the many problems originating in the analysis and operation of power systems, one which lends itself especially to solution by digital computers is that of system transient stability. In applying high-speed computers to familiar problems, it is desirable to consider other available numerical methods rather than simply to mechanize techniques which have been used in the past for hand calculation.