Essays about: "transmission grid expansion"

Showing result 6 - 10 of 17 essays containing the words transmission grid expansion.

  1. 6. Open Source Grid Expansion Models for the EU Project Spine

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

    Author : Akshaya Tammanur Ravi; [2021]
    Keywords : Expansion Planning; Renewable Energy Sources; Operational Variability; Representative Days; Long-term Uncertainties; Stochastic Optimization; Utbyggnadsplanering; Förnybara energikällor; Variabel driftsituation; Representativa dagar; Långsiktiga osäkerheter; Stokastisk optimering;

    Abstract : Modern power systems are at the forefront of addressing the transition towards a decarbonized energy system, with increased integration of renewable energy sources becoming the key means to achieve the same. In this context, an expansion planning problem provides a decision support framework for investments in new generation and transmission assets over a long time-frame, addressing a wide range of technical and economic criteria aligned with national policies. READ MORE

  3. 7. Resonant overvoltages caused by transformer energization and saturation : Two EMT case studies conducted using models of the grid in Stockholm and an off-shore wind farm

    University essay from Uppsala universitet/Elektricitetslära

    Author : Gustav Sundberg; [2021]
    Keywords : Resonant overvoltages; Resonance frequency; Parallel resonance; EMT studies; Transformer saturation; Off-shore wind power; Inrush current; Sympathetic Inrush; Resonanta överspänningar; Resonansfrekvens; Parallellresonans; EMT-studier; Magnetiseringsström; Havsbaserad vindkraft;

    Abstract : This thesis investigates the impact of resonant overvoltages and their origin. Series and parallel resonances are present in any electrical grid. The frequency of which this resonance occurs is called resonance frequency. READ MORE

  4. 8. Analysis of Prerequisites for Connection of a Large-Scale Photovoltaic System to the Electric Power Grid

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

    Author : Fanny Lilja; [2021]
    Keywords : solar energy; large-scale photovoltaic system; PV; Swedish power system; power output fluctuations; voltage quality; voltage variations; reactive power compensation; PSS E; solenergi; storskalig solcellsanläggning; PV; Sveriges kraftsystem; effekförändringar; spänningskvalitet; spänningsvariationer; reaktiv effektkompensering; PSS E;

    Abstract : The deployment of large-scale photovoltaic (PV) systems is rising in the Swedish power system, both in quantity and in system size. However, the intermittent characteristics of the PV production raises questions concerning the stability in the electric power grid, and power output fluctuations from the PV systems can lead to voltage quality issues. READ MORE

  5. 9. Evaluating the Impact of Altered Electricity Systems

    University essay from Lunds universitet/Miljö- och energisystem

    Author : Carolin Bangay; [2019]
    Keywords : Linear Programming; Transmission; Energy Systems; Green House Gas; Emissions; Electricity Systems; Modelling.; Technology and Engineering;

    Abstract : In the light of the importance of climate change and the emissions that have induced it, the ability to calculate the effect on emissions by changing transmission capacity is vital. A model to perform such indicative calculations is developed in this thesis. READ MORE

  6. 10. Load Demand Forecasting : A case study for Greece

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Sotirios-Ilias Tsivras; [2019]
    Keywords : ENTSO-E; Load Demand Curve; Spatial Load Forecasting; Python; Demand Side Management; Hellinikon Project; Non Interconnected Islands; Electric Vehicles; Renewable Energy Sources.;

    Abstract : It is more than a fact that electrical energy is a main production factor of every economic activity. Since electrical power is not easy to store, it needs to be consumed as it is generated in order to keep a constant balance between supply and demand. READ MORE