Techniques for Improved Predictive Maintenance Testing of Industrial Power Systems

Joseph Sottile, Jeffrey L. Kohler

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Periodic testing of industrial power system components can result in the early detection of problems, allowing corrective actions to be taken before a failure occurs. The positive impact of this on system availability and safety is beginning to be appreciated by both maintenance and production personnel in the mining industry. A variety of procedures are available for periodic testing, although they have some inherent limitations which must be recognized if a meaningful interpretation of the test data is to be achieved. These tests, and their inherent limitations, are reviewed in this paper; appropriate applications for these tests are suggested, and the use of negative-sequence monitoring, as an inexpensive but powerful detector of incipient failure in industrial power systems is proposed.

Original languageEnglish
Pages (from-to)992-999
Number of pages8
JournalIEEE Transactions on Industry Applications
Issue number6
StatePublished - 1989

ASJC Scopus subject areas

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


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