Sökning: "Offshore Marine Substation"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Offshore Marine Substation.

  1. 1. Ocean Wave Energy : Underwater Substation System for Wave Energy Converters

    Författare :Magnus Rahm; Mats Leijon; Ted Brekken; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wave energy; wave power; wave energy converter; direct-drive; permanent magnet linear generator; point absorber; array; farm; park; offshore; marine; substation; electrical transmission system; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Sammanfattning : This thesis deals with a system for operation of directly driven offshore wave energy converters. The work that has been carried out includes laboratory testing of a permanent magnet linear generator, wave energy converter mechanical design and offshore testing, and finally design, implementation, and offshore testing of an underwater collector substation. LÄS MER

  3. 2. Offshore deployments of marine energy converters

    Författare :Maria Angeliki Chatzigiannakou; Irina Temiz; Mats Leijon; Tony Lewis; Uppsala universitet; []
    Nyckelord :offshore deployments; risk assessment; wave energy converter installation; marine current energy converter installation; economic efficiency; time efficiency; offshore operations; point absorber; hydrodynamic analysis; slack sling criterion; hoisting system failure.;

    Sammanfattning : The depletion warning of non-renewable resources, such as gas, coal and oil, and the imminent effects of climate change turned the attention to clean and fossil fuel-free generated electricity. University research groups worldwide are studying solar, wind, geothermal, biomass and ocean energy harvesting. LÄS MER

  4. 3. Experimental results from the Lysekil Wave Power Research Site

    Författare :Olle Svensson; Mats Leijon; Jörgen Blennow; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wave power; Lysekil; Marine Substation; Offshore measurement; strain gauge; lateral force; Invlination and azimuth angles; Wave energy converter; Temperature measurements; Inverter; Energy; Control sustem; CompactRIO; Vågkraft; Mätteknik; Styrsystem; Lysekil; Engineering Science; Teknisk fysik;

    Sammanfattning : This thesis presents how experimental results, from wave power research performed offshore at the Lysekil research site, were obtained. The data were used to verify theoretical models as well as evaluate the feasibility of wave power as a future sustainable energy source. LÄS MER

  5. 4. Offshore Marine Substation for Grid-Connection of Wave Power Farms : An Experimental Approach

    Författare :Rickard Ekström; Karin Thomas; Frans Dijkhuizen; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wave power; Offshore Marine Substation; Grid-Connection; Electrical Systems; Voltage-Source Inverter; On-load Tap Change; Cascaded H-bridge Multilevel Inverter; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Sammanfattning : Wave power is a renewable energy source with great potential, which is why there are more than a hundred ongoing wave power projects around the world. At the Division of Electricity, Uppsala University, a point-absorber type wave energy converter (WEC) has been proposed and developed. LÄS MER

  7. 5. Grid Connection of Permanent Magnet Generator Based Renewable Energy Systems

    Författare :Senad Apelfröjd; Sandra Eriksson; Frans Dijkhuizen; Uppsala universitet; []
    Nyckelord :VAWT; H-rotor; Tap Transformer; Cascaded H-bridge Multi-Level; Renewable Energy; Wind power; Wave power; Marine Current Power; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Sammanfattning : Renewable energy is harnessed from continuously replenishing natural processes. Some commonly known are sunlight, water, wind, tides, geothermal heat and various forms of biomass. The focus on renewable energy has over the past few decades intensified greatly. LÄS MER