Sökning: "wind turbines"

Visar resultat 1 - 5 av 330 uppsatser innehållade orden wind turbines.

  1. 1. System-Wide Evaluation of Inertia Support Potentials from Wind Farms

    H-uppsats, Chalmers tekniska högskola/Institutionen för energi och miljö

    Författare :Paul Jung; [2017]
    Nyckelord :Frequency stability; inertial response; synthetic inertia; inertia emulation; frequency control; variable speed wind turbine; rate of change of frequency;

    Sammanfattning : In order to limit anthropogenic climate change as well as the dependency on fossilfuels, the wind power generation is rising world wide. Since modern wind turbinesare usually variable speed wind turbines, which are connected to the grid via aconverter, this causes a decrease in grid coupled inertia. LÄS MER

  2. 2. Opportunities and challenges for a floating offshore wind market in California

    Magister-uppsats, KTH/Industriell Marknadsföring och Entreprenörskap

    Författare :Pieter-Jan Vandenbrande; [2017]
    Nyckelord :Floating wind turbines; California; PESTEL analysis; market challenges and opportunities;

    Sammanfattning : The offshore wind energy industry is a rapidly growing industry as solutions are becoming cost-competitive and there is an increasing need to limit greenhouse gas emissions. New floating offshore wind turbine designs now enable the access to previously inaccessible offshore wind resources. LÄS MER

  3. 3. Computational sound propagation models: An analysis of the models Nord2000, CONCAWE, and ISO 9613-2 for sound propagation from a wind farm

    Magister-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Jôse Lorena Guimarães da Silva; [2017]
    Nyckelord :Nord2000; CONCAWE; ISO 9613-2; noise propagation; noise wind turbines.;

    Sammanfattning : The recent goals from some countries to become renewable energy based and reduce carbon dioxide emissions have caused the wind industry to grow. Together, the size of the wind farms and the noise emission have grown, while the noise emission regulations have to be fulfilled. LÄS MER

  4. 4. Energy mapping of public buildings : A study at Älvkarlebyhus

    Magister-uppsats, Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Författare :Kieran Crowley; [2017]
    Nyckelord :;

    Sammanfattning : The aim of this report is to identify all energy systems in the Skutskärs Vårdcentral and Folktandvården building, Centralgatan 12 building and the Library building to be studied in this report and carry out an investigation on whether the energy systems efficiency may be increased by improving on the elements or factors that affect the energy systems. A model of the buildings energy systems were created in Microsoft excels using the steady state method and modifying it to calculate an average heating session. LÄS MER

  5. 5. Wind Unwind

    Master-uppsats, Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Maëlle Ducreux; [2017]
    Nyckelord :wind; microclimate; design; energy; waterfront; turbines; sustainable; Arts and Architecture;

    Sammanfattning : Wind turbines are most commonly located in remote areas to harness strong and constant winds, however, with the current growing rate of urbanisation, producing clean energy within the city closer to consumers is becoming crucial. Research has shown that the urban morphology has a strong capacity to influence air flow and ‘street canyons’ have the potential to channel the wind towards turbines in the urban scale. LÄS MER

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