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Visar resultat 21 - 25 av 472 uppsatser som matchar ovanstående sökkriterier.
21. Climate Impact of Wind Turbine Production : Emissions from Material and Energy Usage for Onshore and Offshore Wind Turbines
Kandidat-uppsats, KTH/Skolan för industriell teknik och management (ITM)Sammanfattning : Wind power is a renewable energy source that is making great strides in the global energy sector. While wind power is a renewable energy source, it is not entirely free from carbon emissions. This is because the production of wind turbines is dependent on the use of energy, and as a result can emit large amounts of carbon dioxide. LÄS MER
22. An assessment of circular economy measures in the construction value chain for offshore wind turbines
Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/ByggproduktionSammanfattning : The construction sector is responsible for high energy consumption and large emissions of carbon dioxide, which is strongly linked to building materials. Within the European Union, the construction sector generates more than a third of all waste and circular economy is considered as a suitable approach to tackle these challenges. LÄS MER
23. Relay settings for frequency derivative protection against islanding : Optimizing RoCoF-Hysteresis and Delay for the Swedish power grid: An investigation of relevant values
M1-uppsats, KTH/Hälsoinformatik och logistikSammanfattning : This report addresses the parameter settings for a protective relay designed to safeguard a 15 kW wind turbine located in Rimbo, Norrtälje municipality, against unintentional islanding. This type of situation arises when distributed energy resources continue to supply local loads, even if the main grid has been unintentionally disconnected. LÄS MER
24. Prospects for Wind Energy Development in Consideration of a Cumulative Appraisal of Botanical, Faunal, Societal, and Cultural Values in Swedish Boreal Forests
Master-uppsats, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : Renewable energy development is breaking global records each year. European and national Swedish legislation target substantial portions of wind energy production by 2040. Sweden has ambitious objectives for wind energy, with plans to nearly triple its wind energy proportion in the next 17 years. LÄS MER
25. Framtidens vätgassystem : En fallstudie om vätgasproduktion mot en industriell marknad med el från havsbaserad vindkraft
Master-uppsats, Linköpings universitet/EnergisystemSammanfattning : Vätgas producerad från förnybar el har en stor potential att minska utsläppen från flera olika branscher. Detta genom att införa nya innovativa ändamål och även genom storskalig ersättning av vätgas som idagproduceras med fossila bränslen. Men för en storskalig förändring behöver kostnaden för förnybar vätgasproduktionsjunka. LÄS MER