Sökning: "offshore"

Visar resultat 21 - 25 av 502 uppsatser innehållade ordet offshore.

1. 21. Major Component Replacement on Floating Wind Turbines

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Kilian Galle; [2023]
   Nyckelord :;

   Sammanfattning : Among the challenges that floating offshore wind (FOW) energy faces today, operation and maintenanc ecosts, and especially major component replacements (MCR), are an important cost reduction lever. MCRs are defined as any failure on a wind turbine requiring the change of an entire main component of the turbine, such as a gearbox, generator, blade, nacelle, etc. LÄS MER

3. 22. The Paradigm Shift for Substations Technology within Wind Power Applications from Onshore to Floating

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Ahmad Talaat Hifzy; [2023]
   Nyckelord :Floating; offshore; substation; transformer; GIS; equipment; high-voltage; fatigue; Flytande; havsbaserad; station; transformator; GIS; utrustning; högspänning; utmattning;

   Sammanfattning : Floating wind turbines are attracting more attention as more than three-quarters of the total offshore technical potential is located in deep water, leading to a growing trend in floating wind farm projects. Consequently, it becomes necessary to develop Floating Offshore Substation (FOSS) to step up voltage and efficiently transmit power to the shore with minimal losses. LÄS MER

4. 23. ENERGY ISLANDS - A CASE STUDY IN GREECE

   Kandidat-uppsats, Uppsala universitet/Institutionen för geovetenskaper

   Författare :Dimitrios Porichis; [2023]
   Nyckelord :Renewable Energy Sources; Energy Island; Multi-Criteria Decision Analysis; Offshore Wind; Floating Solar Photovoltaics; Greece; Mediterranean Sea; Aegean Sea.;

   Sammanfattning : The aim of this Thesis is to consider a methodological framework suitable to support a primary and primitive investigation and evaluation of the technical applicability and energy feasibility of a specific Energy Island model in Greece. For such purpose, the general concept and the potential applications of Energy Island are presented, and the present situation of the Greek energy sector and RES technologies in Greece are outlined. LÄS MER

5. 24. Weight Optimization of Vertical-Axis Wind Turbine Blades constructed in Swedish Fossil Free Steel : With respect to fatigue life time

   Master-uppsats, Linnéuniversitetet/Institutionen för maskinteknik (MT)

   Författare :Johannes Hall; Albin Larsson; [2023]
   Nyckelord :VAWT; Wind Turbine Blade; SSAB; Fossil-Free; Weight Optimization; Topology Optimization; Sizing Optimization; NACA 0018; STRENX 1300; Abaqus; Tosca Structure; VAWT; Vindturbinblad; SSAB; Fossilfritt; Viktoptimering; Topologioptimering; Size-Optimering; NACA 0018; STRENX 1300; Abaqus; Tosca Structure;

   Sammanfattning : Wind turbines have been utilized for centuries to harness energy from the wind. Commercial wind turbine blades are typically made from composite materials, which are difficult to recycle, leading to blades ending up in landfills at the end of their lifecycle. Additionally, these materials contribute to microplastic pollution. LÄS MER

7. 25. Utsikter för samexistens vid en storskalig utbyggnad av elproduktion

   Master-uppsats, Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

   Författare :Elsa Magnusson; [2023]
   Nyckelord :Energy transition; Land-use; Co-existence; Onshore wind power; Offshore wind power; Nuclear power; Solar power; Multimethod methodology; Earth and Environmental Sciences;

   Sammanfattning : The ongoing energy transition towards a fossil-free electricity production and sustainable future is essential to mitigate climate change and a matter of global concern. However, there are still knowledge gaps that presents challenges to the transition, one of which is opposing land-use interest and geographical placement of new electricity infrastructure. LÄS MER