Essays about: "vindkraft"

Showing result 1 - 5 of 116 essays containing the word vindkraft.

  1. 1. The Impact of Voltage Dip Characteristics on Low Voltage Ride Through of DFIG-based Wind Turbines

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Cheng Chen; [2019]
    Keywords : DFIG; wind power; low voltage ride through; power quality; voltage dip;

    Abstract : In last decade, there is a large increase in installed capacity of wind power. Asmore wind power is integrated into utility networks, related technologychallenges draw much attention. The doubly fed induction generator (DFIG) isthe mainstream choice for wind turbine generator (WTG) in current market andthe object of this thesis. READ MORE

  2. 2. Dynamic transformers rating for expansion of expansion of existing wind farms

    University essay from KTH/Elektroteknisk teori och konstruktion

    Author : Oscar David Ariza Rocha; [2019]
    Keywords : Dynamic transformer rating; wind energy; loss of life; wind farm expansion;

    Abstract : Distribution system operators face the challenge to connect users rapidly to the grid and the opportunity to reduce costs for new connections. A method to enhance network operation and planning is dynamic transformer rating (DTR), which considers load and temperature variations to increase the rating of the transformer while maintaining in safe operation. READ MORE

  3. 3. Life cycle assessment of disposable and reusable laryngeal mask airway in Skånevård Sund

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Gang Liang; [2019]
    Keywords : Keywords: life cycle assessment; laryngeal mask airway; Biology and Life Sciences;

    Abstract : Single use medical devices have been the widespread practice for clinical work for many years. However, the negative environmental impacts of using disposable products have also attracted attention worldwide. READ MORE

  4. 4. Prospects of Renewable Energy for the New City of El Alamein, Egypt : An Energy System Model using OSeMOSYS to obtain the most cost-efficient electricity production mix

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik; KTH/Hållbar utveckling, miljövetenskap och teknik; KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Simon Färegård; Marko Miletic; Erik von Schultz; [2019]
    Keywords : Renewable Energy; Energy System Modelling; OSeMOSYS; El Alamein; Egypt; Förnyelsebar Energi; energisystemmodellering; OSeMOSYS; El Alamein; Egypten;

    Abstract : With the motivation to mitigate the effects caused by one of humankind’s biggest challenges, climate change, the purpose of this minor field study was to examine the prospects of renewable energy technologies as part of a larger ambition to offer clean and affordable energy for all, in line with United Nations Sustainable Development Goals. The study was conducted for El Alamein in Egypt, a city under construction that will house four million residents. READ MORE

  5. 5. Multi-stakeholder collaboration in wind power planning

    University essay from SLU/Dept. of Forest Economics

    Author : Emmy Bwimba; [2019]
    Keywords : collaborative participation; legitimacy theory; stakeholders; stakeholder theory; social license to operate; wind energy; legitimitetsteori; intressenter; intressentteori; samverkansdeltagande; vindkraft;

    Abstract : Wind power industry is rapidly growing in Sweden. The country has decided that by year 2020, the share of renewable energy will be 50 % of total renewable energy supplied in the country (Vindval, 2013). Wind energy is perceived by many as the future of renewable energy especially in northern Europe. READ MORE