Essays about: "powergrid"

Showing result 6 - 10 of 10 essays containing the word powergrid.

  1. 6. Path Finding Algorithm for Substation Reliability Assessments Using IEC 61850

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Oskar Morin; [2016]
    Keywords : ;

    Abstract : The modern society heavily relies on a continuous supply of electricity.A continuous and reliable supply of electricity is necessary in orderto maintain a competitive industry and to ensure that necessary socialfunctions works correctly. READ MORE

  3. 7. Verification of the program PowerGrid and establishment of reference grid for calculations

    University essay from Uppsala universitet/Elektricitetslära

    Author : Simon Cederholm; [2015]
    Keywords : PowerGrid; power grids; reference grid; calculations; power flow; short-circuit; Newton-Raphson; Ybus; Y-bus; admittance matrix; Velander; Matlab; PowerGrid; elnät; referens; referensnät; beräkningar; elnätsberäkningar; effektflöde; kortslutningsström; kortslutningseffekt; Newton-Raphson; Ybus; Y-bus; admittans-nod matris; Velander; Matlab;

    Abstract : Fortum Distribution AB uses a program called PowerGrid (PG) in its daily work. PG is a combined Network information system and grid calculation program. The development of this program is an ongoing process, so Fortum desired a reference program be set up as a means of controlling the continued accuracy of PG’s calculation results. READ MORE

  4. 8. Wind power integration in island-based smart grid projects : A comparative study between Jeju Smart Grid Test-bed and Smart Grid Gotland

    University essay from Uppsala universitet/Elektricitetslära

    Author : Hampus Piehl; [2014]
    Keywords : Smart Grid; Wind power; Jeju Island; Gotland;

    Abstract : Smart grids seem to be the solution to use energy from renewable and intermittent energy sources in an efficient manner. There are many research projects around the world and two of them are Jeju Smart Grid Test-bed and Smart Grid Gotland. READ MORE

  5. 9. Investigation of Power Grid Islanding Based on Nonlinear Koopman Modes

    University essay from KTH/Elektriska energisystem

    Author : Fredrik Raak; [2013]
    Keywords : controlled islanding; grid partitioning; power system monitoring; Koopman mode analysis; spectral graph theory;

    Abstract : To view the electricity supply in our society as just sockets mountedin our walls with a constant voltage output is far from the truth. Inreality, the power system supplying the electricity or the grid, is themost complex man-made dynamical system there is. It demands severecontrol and safety measures to ensure a reliable supply of electric power. READ MORE

  6. 10. The Kamchay Hydropower Project -Hydropower development in Cambodia and eastern Asia

    University essay from Malmö högskola/Fakulteten för teknik och samhälle (TS)

    Author : Peter Malmquist; Mats Sigfridsson; [2003]
    Keywords : hydropower; eastern asia; cambodia; development; mrc; public participation; kamchay; khmer; sida; vattenkraft; dammar; folkligt deltagande; deltagande; miljöpåverkan; mfs; environment; kambodia; displacement; ecosystems; hydroelectric; ngo; mekong; phnom penh; kampot; bokor; wcd; wcd-report; cepa; wildaid; oxfam; rural; ded; khmer rouge; powergrid; elproduktion; dams; turbines; power production;

    Abstract : The objective in this case study is to highlight typical problems of a planned hydropower dam project in Bokor National Park, Cambodia. The focal point in the line of questioning is the usage of public participation in larger exploration plans in a development country and to give a comprehensive survey of some of the participant involved. READ MORE