Condition monitoring of brushless three-phase synchronous generators with stator winding or rotor circuit deterioration

Joseph Sottile, Frederick C. Trutt, Aleck W. Leedy

Research output: Contribution to journalArticlepeer-review

94 Scopus citations

Abstract

This paper presents experimental and theoretical analyses used to establish electrical features that can be utilized as indicators of armature winding, field winding, or rectifier diode deterioration in brushless three-phase synchronous generators before the imperfection progresses to become a ground fault. This paper begins with the description of a 5-kVA synchronous generator specifically designed and constructed to allow for simulation of armature winding, field winding, or rectifier diode deterioration in a brushless machine. Subsequently, a description of the experimental methodology and the results of experiments are presented. Specific features that can be used as indicators of the deterioration are described, and a theoretical basis for them is provided. The proposed features can be obtained continuously during normal generator operation. As such, they can be used as a basis for both brushless and brush-fed synchronous generator health monitoring applications.

Original languageEnglish
Pages (from-to)1209-1215
Number of pages7
JournalIEEE Transactions on Industry Applications
Volume42
Issue number5
DOIs
StatePublished - Sep 2006

Keywords

  • Synchronous generator fault detection

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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