An Adaptive Excitation System Controller in a Stochastic Environment

David Romero Romero, Gerald Thomas Heydt

Research output: Contribution to journalArticle

Abstract

Excitation of synchronous generators is utilized to control voltages in an electric power network through the control of reactive power. Excitation also has an important role in the improvement of the stability of synchronous machines in interconnected power systems. With the economic availability of dedicated computers and microprocessors in central power stations, new digital techniques and applications arise for the control of synchronous generators. Although the digital revolution has, perhaps, had the least impact on power engineering, this impact is increasing at an accelerated rate. The reason for this increased use of digital control is principally improvement in reliability of digital, solid-state devices in power system environments. Coupled with advances in digital hardware are advances in digital control theory. As an example, adaptive control theory developed 10–20 years ago for analog technology has been reexamined and reformulated for digital applications. With these facts in view, it is reasonable to conjecture that direct digital control of machines along with adaptive controllers can be implemented in the near future. This paper focuses on the design and performance of and adaptive excitation controller for synchronous generators.

Original languageEnglish (US)
Pages (from-to)42
Number of pages1
JournalIEEE Power Engineering Review
VolumePER-6
Issue number2
DOIs
StatePublished - 1986
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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