Decision support for operation and maintenance of offshore wind turbines
Author
Almasi, Andreea
Term
4. term
Education
Publication year
2014
Submitted on
2014-07-30
Pages
80
Abstract
Afhandlingen undersøger, hvad der bestemmer omkostningen ved at producere elektricitet i vindmølleparken Horns Rev 2. Omkostningerne opdeles i kapitaludgifter (engangsinvestering), driftsudgifter (daglig drift og vedligehold) og afviklingsomkostninger (omkostninger ved nedlukning og nedtagning). For drift og vedligehold analyseres to strategier: afhjælpende/korrektiv vedligehold (reparation efter fejl) og forebyggende vedligehold (service for at forebygge fejl), for at bestemme de endelige driftsudgifter. Den årlige energiproduktion estimeres for hvert år i parkens levetid, og energiomkostningen beregnes. Efter at have opstillet en grundmodel gennemføres en følsomhedsanalyse med forskellige scenarier for at se, hvordan ændringer påvirker både energiomkostningen og vedligeholdelsesudgifterne.
This thesis examines what drives the cost of producing electricity at the Horns Rev 2 wind farm. The analysis separates costs into capital expenditure (the one-time investment), operational expenditure (day-to-day operation and maintenance), and decommissioning costs (end-of-life activities. For operation and maintenance, two strategies are evaluated: corrective maintenance (fixing equipment after failures) and preventive maintenance (servicing equipment to avoid failures), to estimate the final operational costs. Annual energy production is estimated for each year of the wind farm's lifetime, and the resulting cost of energy is calculated. After establishing a baseline model, a sensitivity analysis tests different scenarios to see how changes affect both the cost of energy and maintenance expenses.
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