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- Bohlin, MarkusSICS (författare)
Optimization of condition-based maintenance for industrial gas turbines: Requirements and results
- Artikel/kapitelEngelska2009
Förlag, utgivningsår, omfång ...
- 2009
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:mdh-7379
- https://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-7379URI
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- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
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- In oil and gas applications, the careful planning and execution of preventive maintenance is important due to the high costs associated with shutdown of critical equipment. Optimization and lifetime management for equipment such as gas turbines is therefore crucial in order to achieve high availability and reliability. In this paper, a novel condition-based gas turbine maintenance strategy is described and evaluated. Using custom-madegas turbine maintenance planning software, maintenance is repeatedly reoptimized to fit into the time intervals where production losses are least costly and result in the lowest possible impact. The strategy focuses on accurate online lifetime estimates for gas turbine components, where algorithms predicting future maintenance requirements are used to produce maintenance deadlines. This ensures that the gas turbines are maintained in accordance with the conditions on site. To show the feasibility and economic effects of a customer-adapted maintenance planning process, the maintenance plan for a gas turbine used in a real-world scenario is optimized using a combinatorial optimization algorithm and input from gas turbine operation data, maintenance schedules and operator requirements. The approach was validated through the inspection of a reference gas turbine after a predetermined time interval. It is shown that savings may be substantial compared to a traditional preventivemaintenance plan. In the evaluation, typical cost reductions range from 25 to 65 %. The calculated availability increase in practice is estimated to range from 0.5 to 1 %. In addition, down-time reductions of approximately 12 % are expected, due solely to improved planning. This indicates significant improvements.
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Wärja, MathiasSiemens Industrial Turbomachinery AB (författare)
- Holst, AndersSICS (författare)
- Slottner, PontusSiemens Industrial Turbomachinery AB (författare)
- Doganay, KivancSICS(Swepub:mdh)kdy02 (författare)
- SICSSiemens Industrial Turbomachinery AB (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Proceedings of the ASME Turbo Expo Volume 5, s. 455-4649780791848869
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- Proceedings of the ASME Turbo Expo Volume 5 (Sök värdpublikationen i LIBRIS)
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- Av författaren/redakt...
- Bohlin, Markus
- Wärja, Mathias
- Holst, Anders
- Slottner, Pontus
- Doganay, Kivanc
- Artiklar i publikationen
- Proceedings of t ...
- Av lärosätet
- Mälardalens universitet
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