| Title: | Multiplicative method for assessing the technical condition of switching bay devices in a substation using maintenance priorities |
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| Authors: | ID Ribič, Janez (Author)
ID Štumberger, Gorazd (Author)
ID Vodenik, Marko (Author)
ID Kerin, Uroš (Author)
ID Bečan, Miha (Author)
ID Šketa, Anja (Author)
ID Bokal, Drago (Author)
ID Kitak, Peter (Author) |
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| Files: |  applsci-15-06992.pdf (1,52 MB)
MD5: 151CE12520DDCCE7CB3CA0903DFD347E
 https://www.mdpi.com/2076-3417/15/13/6992
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FERI - Faculty of Electrical Engineering and Computer Science
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| Abstract: | The results of the presented research are directly applicable to enhancing the maintenance strategies of transmission system operator (TSO) assets, particularly high-voltage switchyard equipment, and are extendable to other TSO systems. Furthermore, the proposed methodology lays the groundwork for the implementation of predictive maintenance. This paper introduces a novel methodology for assessing the technical condition of high-voltage switchyard devices—specifically, circuit breakers, disconnectors, and instrument transformers—within a high-voltage switching bay. The proposed model integrates multiplicative criteria, which reflect maintenance actions, and additive criteria, which capture the operational and maintenance history of individual devices. Supported by a newly developed data model, the methodology enables an automated assessment process that generates a c-curve representing the condition trajectory of each device or device type. Leveraging real-time data from the maintenance information system, this automated approach allows for the timely evaluation of a device’s technical state prior to scheduled maintenance. The resulting c-curve analysis supports strategic maintenance planning and prioritization. The proposed solutions have been implemented experimentally by TSO ELES. |
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| Keywords: | condition-based maintenance, health index, circuit breaker, disconnector, instrument transformer, substation, failure mode analysis |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 09.05.2025 |
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| Article acceptance date: | 19.06.2025 |
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| Publication date: | 20.06.2025 |
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| Publisher: | MDPI |
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| Year of publishing: | 2025 |
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| Number of pages: | 31 str. |
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| Numbering: | Vol. 15, iss. 13, [article no.] 6992 |
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| PID: | 20.500.12556/DKUM-93385  |
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| UDC: | 621.3.077.4 |
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| ISSN on article: | 2076-3417 |
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| COBISS.SI-ID: | 240277763 |
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| DOI: | 10.3390/app15136992 |
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| Publication date in DKUM: | 23.06.2025 |
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| Views: | 192 |
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| Downloads: | 24 |
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| Metadata: |    |
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| Categories: | Misc.
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