Essays about: "hydropower stations"
Showing result 1 - 5 of 29 essays containing the words hydropower stations.
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1. 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/ElektricitetsläraAbstract : 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
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2. Modeling the Head Effect in Hydropower River Systems using MILP and BLP Approaches
University essay from Linköpings universitet/Tillämpad matematik; Linköpings universitet/Tekniska fakultetenAbstract : With a fast-growing electricity demand and a larger proportion of intermittent energy sources follows a greater need for flexible and balancing sources of electricity, such as hydropower. Planning of hydropower production is considered to be a difficult problem to solve due to several nonlinearities, combinatorial properties and the fact that it is a large scale system with spatial-temporal coupling. READ MORE
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3. Methane and Carbon Dioxide Emissions From Three Smallscale Hydropower Stations in South of Sweden
University essay from Linköpings universitet/Tema MiljöförändringAbstract : Over the past decades, evidence show that the anthropogenetic greenhouse gases (GHG) emissions of carbon dioxide (CO₂) and methane (CH₄) are the main drivers behind global warming and are becoming stronger. Globally, hydropower is among the main sources of renewable energy and the popular notion that hydropower electricity is carbon neutral has been under debate as evidence from measurements in different regions of the globe show significant and highly variable carbon emissions from hydropower reservoirs. READ MORE
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4. Simplified Model For Simulation of Fault Ride Through at Hydropower Units
University essay from Uppsala universitet/Institutionen för fysik och astronomiAbstract : As new requirements for grid connected generators were implemented, the requirements for evaluating the Fault Ride Through capabilities of the generators became stricter. When refurbishing a power unit, proof that the power unit meet the requirements must be submitted to the authorities. READ MORE
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5. Optimisation of Run of River Production Forecasting Using Aiolos Forecast Studio
University essay from Lunds universitet/Avdelningen för Teknisk vattenresursläraAbstract : Hydropower is simply the largest source of renewable energy in the Nordic countries, where It compose around 90% of power production in Iceland, 70% in Norway, 40% in Sweden and 20% in Finland. Mountainous terrain and abundance in the surface water is a significant contributing factor in hydropower production. READ MORE