TRC-2018 Learning Zone 20:46
by John Langskov, Palo Verde, Arizona Public Service
On-line monitoring can provide significant cost savings through improved reliability (such as production line shutdown avoidance), but additional savings can also be obtained through reduced PM tasks. The question is: do the savings in PM reduction balance the cost of adding continuous monitoring to sensors to your equipment? Palo Verde uses a parameter-based approach, that focuses on degradation mechanisms affecting a specific component type, and a sensors ability to monitor them continuously for degradation, periodic PM tasks can be eliminated, or extended based on changes in failure probability.
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