Essays about: "Thermal and Electric Grids"

Showing result 1 - 5 of 8 essays containing the words Thermal and Electric Grids.

  1. 1. Energy-efficient HVAC solution-sets for low-energy apartment buildings in Nordic climates - An analysis of an affordable housing project

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Laurence Gibbons; [2021]
    Keywords : Heating; Ventilation; Free cooling; Borehole; Ground source heat pump; Compact unit; Solar thermal collector; District heating; Underfloor heating; Radiators; Convectors; Thermal energy storage; Norway; Sweden; Finland.; Technology and Engineering;

    Abstract : To meet the aims of the Paris climate agreement, it is necessary to reduce energy use in buildings. Efficient HVAC systems are a critical part in achieving a low delivered energy use. READ MORE

  3. 2. Grid impact study of frequency regulation with EVs

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Emma Blomgren; [2018]
    Keywords : Electric vehicles EVs ; grid impact; ancillary services; frequency regulation; FCR-N; vehicle-to-grid V2G ; voltage; reactive power; load profile; Technology and Engineering;

    Abstract : The ongoing grid paradigm shift has resulted in synchronous generators currently being phased out. As the generators have been providing ancillary services, such as frequency control regulation, this means that new technologies to perform ancillary services need to be developed and evaluated. READ MORE

  4. 3. Reactive power management capabilities of Swedish sub-transmission and medium voltage level grid

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

    Author : Michal Tomaszewski; [2018]
    Keywords : electric power systems; reactive power; sub-transmission level grids; PSS E; power ow analysis; wind farms; smart grids; droop control; elektriska system; reaktiv eekt; mellan spanningsnivan; PSS E; strom odesanalys; vindkraftparker; smarta nat; droop control;

    Abstract : Rising penetration of renewable energy sources in electric power grids isboth a challenge and an opportunity to optimally utilize the potential of eitherwind or PV energy sources, to stabilize operation of future power systems.Bi-directional ows between distribution and transmission system operatorscause signicant problems with keeping the voltages in the grid within admissiblelimits. READ MORE

  5. 4. How to justify theimplementation of smart gridsfor a new neighborhood?

    University essay from KTH/Energiteknik

    Author : DENIS MULLER; [2017]
    Keywords : Smart Grids; Monitoring; Neighborhood; Urban Development Project; Energy Efficiency; Thermal and Electric Grids; Energy Infrastructure;

    Abstract : Smart Grids technologies cover a wide range of applications, from energy efficiency to load adjustments. However, they still rise interrogations and doubts around their economic benefits and environmental improvements. READ MORE

  6. 5. Electric Vehicles Integration in Island Systems – Challenges and Innovative Solutions : Case study of Reunion Island

    University essay from KTH/Kraft- och värmeteknologi

    Author : Damien Loffredo; [2015]
    Keywords : ;

    Abstract : Nowadays, the matters of global warming along with fossil fuels depletion are more and more on our agenda. The energetic worldwide issue is an even more important stake than ever before. A change from thermal to electrical mobility could be an option to reduce both the use of fossil fuels and CO2 emissions. READ MORE