Self-Tuning Controller for Generator Excitation Control

Daozhi Xia, G. T. Heydt

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


It has long been recognized that the generator excitation control is an effective and low cost means for improving the power system stability. Recent developments in control theory and digital technology suggest an extension of the results obtainable through analog control to derive potential improvements through the use of digital control. There has been reluctance to apply real time digital control in electric power engineering, perhaps this is due to lack of experience and confidence in this technology. In addition to advances in technology, motivation for investigating the control of a generator at the end of a long transmission line comes from the common occurrence of generation being remotely located. Such is the case, for example, at Liu Jia Xia in the People's Republic of China where a 330 KV, 332 mile single circuit line connects a 400 MW station with the main grid. It is reasonable to attempt to use excitation control to permit line loading to the transmission limit.

Original languageEnglish (US)
Pages (from-to)60-61
Number of pages2
JournalIEEE Power Engineering Review
Issue number6
StatePublished - Jun 1983
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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