Essays about: "Power Quality and System Stability"

Showing result 1 - 5 of 29 essays containing the words Power Quality and System Stability.

  1. 1. Battery storage implementation in Sweden and sizing software development

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Santiago Moreano Rojas; [2023]
    Keywords : ;

    Abstract : Due to the rampant growth of the penetration of renewables into the electrical grids across the world, more challenges appear in the way to assure the optimal operation of the energy system. More particularly, in the case of Sweden, the nuclear power decommissioning tendency and the 100% renewable energy target by 2040, set two strong additional motivations for the rise of issues regarding variability, uncertainty, stability, balancing and quality in the grid. READ MORE

  3. 2. Evaluation of key performance indices for frequency quality : A method for evaluating frequency stability in the Nordic power system

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

    Author : Sophia Larbi Engelbrektsson; [2023]
    Keywords : Ancillary Services; Kinetic Energy; Frequency Dependent Load; Frequency Stability; Frequency Quality; KPI; Nordic Power System; Frekvensberoende Last; Frekvenskvalité; Frekvensstabilitet; Kinetisk Energi; Nordiska Elsystemet; Nyckeltal; Stödtjänster;

    Abstract : The Nordic power system is in a changing phase, with more power electronic interfaced connections, and HVDC connections to other synchronous areas, which impacts the frequency quality. This is a challenge for the transmission system operator of Sweden, Svenska Kraftnät, who, with the other Nordic transmission system operators, is responsible for the physical balancing of the Nordic power system. READ MORE

  4. 3. Grey-box Modeling of Hydropower Plants for Improved Frequency Regulation : Evaluation of Double-Regulated Hydropower Turbines for Fulfillment of the New FCR-requirements

    University essay from Uppsala universitet/Elektricitetslära

    Author : Karolina Engström; Rebecca Waldenfjord; [2023]
    Keywords : Double-regulated hydroturbines; Grey-box modeling; FCR-requriements; Frequency contaminent reserve; Hydropower modeling; Dynamic stability; Dynamic performance;

    Abstract : Over the last decades, the frequency on the Nordic electrical power grid has deteriorated. Therefore, new stricter requirements are developed for the hydropower delivering regulating active power on the Frequency Containment Reserve market (FCR). READ MORE

  5. 4. Line Distance Protection in Power Grids with Variable Renewable Energy Sources : An Investigation on Time Domain Distance Protection via Parameter Estimation

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

    Author : Ludvig Ringaby; [2023]
    Keywords : Distance protection; Power system protection; Time domain distance protection; Differential Equation Algorithm; Variable renewable energy; IBR; Distansskydd; Skyddssystem i elkraftsystem; Tidsdomän distansskydd; Differentialekvationsalgoritm; Variabel förnybar energi;

    Abstract : Variable renewable energy sources typically connect to the power grid through power electronic interfaces. Increased use of such sources can cause issues for conventional distance protection. READ MORE

  6. 5. Modelling the onshore wind energy in thirty European countries

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Zhenye Wang; [2023]
    Keywords : ;

    Abstract : This thesis studies the modeling of onshore wind energy in thirty European countries. This study extends the representation of onshore wind energy in the Open Source Energy Model Base for the European Union (OSeMBE). OSeMBE is a model built in the Open Source Energy Modeling System (OSeMOSYS). READ MORE