A health index may suggest that all is well, but hidden issues can still bring critical assets to sudden failure. In this article, the authors revisit five large power transformers and uncover how misjudged priorities and missing data led to costly surprises. The insights serve as a reminder that data-driven tools must be complemented by critical evaluation and expert oversight.
Closing the loop on health indices
A health index may suggest that all is well, but hidden issues can still bring critical assets to sudden failure.
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