Dynamic Inspection Interval Determination for Efficient Distribution Grid Asset-Management

Thorben Neugebauer, Thomas Wolgast and Astrid Nieße
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Thorben Neugebauer: Group Network Operation, Enercity Netz, 30459 Hannover, Germany
Thomas Wolgast: Group Energy Informatics, Leibniz University Hannover, 30167 Hannover, Germany
Astrid Nieße: Group Energy Informatics, Leibniz University Hannover, 30167 Hannover, Germany

Energies, 2020, vol. 13, issue 15, 1-13

Abstract: Asset-management accounts for a significant share of grid operators’ influenceable costs, which are under high economic pressure due to deregulation. In asset-management, visual inspections are the main measure to determine asset conditions. In the context of digitalization, we propose a concept to acquire additional information about the condition of distribution substations and to derive flexible inspection intervals from this information, in contrast to fixed intervals that are common in scientific literature and practice. Thus, knowledge about the substations increases, inspection intervals can be expanded dynamically, and significant cost savings are possible, which we demonstrate by the example of a German distribution grid operator.

Keywords: condition assessment; maintenance; flexible scheduling; digitalization; digitization; substation; economic potential (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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