Extending the scientific foundation of the DNV GL Health Index methodology for electrical power equipment

Janssen, M.S.

Extending the scientific foundation of the DNV GL Health Index methodology for electrical power equipment

Master thesis (2014)

Authors

M.S. Janssen

Contributors

J.J. Smit (mentor)

D.D. Djairam (mentor)

J.M. Wetzer (mentor)

M.E. Vermeer (mentor)

Programme

Intelligent Electrical Power Grids / High-Voltage Technology and Management

Reliability Asset management Validation Health index HI prediction quality Ageing assets

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Published Date

04-12-2014

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Programme

Intelligent Electrical Power Grids / High-Voltage Technology and Management

Abstract

The DNV GL Health Index translates statistical, condition and utilization data of electrical power equipment into several asset representations that show technical asset health, including expected remaining lifetimes. These remaining lifetimes are used to determine the required action for the asset manager. In this research, a method was selected, developed and applied in two case studies to validate two versions of this health index using actual utility data. Both case studies showed a practical application of the validation method. During the practical application of this validation method, the case studies revealed points of improvement for both this method as for the data required for this validation.

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