Electromechanical equivalents for/use in power system stability studies

J. M. Undrill, L. K. Kirchmayer, J. A. Casazza, E. M. Gulachenski

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


This paper describes the development of dynamic power system equivalents for use in stability studies of interconnected systems. The problem of electromechanical equivalencing is formulated, and a method of constructing electromechanical equivalents is described. The performance of these equivalents has been evaluated by a series of computational tests. Theoretical material pertaining to electromechanical equivalencing is presented in a companion paper.

Original languageEnglish (US)
Pages (from-to)2060-2071
Number of pages12
JournalIEEE transactions on power apparatus and systems
Issue number5
StatePublished - 1971
Externally publishedYes

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • General Engineering
  • Electrical and Electronic Engineering


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