Uppsatser om hydropower

83 uppsatser · sida 4 av 6

Geoteknisk modellering - komplexitetens betydelse för resultaten

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Beräkningsgång för tvärspända GC-broar i limträ

Examensarbete, grundnivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Trafiksäkerhet för skolbarn. Den säkra hållplatsen

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Datorsimulering av grundvattensituationen kring Kikås avfallsanläggning

Examensarbete, grundnivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Jämnare kloröverskott under dricksvattendistributionen i Göteborg med kloraminering

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Underhållsplanering av vattenledningsnät – ett samhällsekonomiskt perspektiv

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Analys av VASS driftstatistik

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Konstruktion av turbinmodell för kaplanturbiner

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… combination curve of the wicket gate and runner blade angles, based on a hydropower unit with available test data. Also the remaining units in the hydro power plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control …

Stabilitetsberäkningar och åtgärdsförslag vid islast på Skålandammen

Examensarbete, avancerad nivå · Uppsala universitet

Hydropower is an important source of energy in Sweden and accounts for about 46 % of the total energy production. Sweden has about 1 200 hydropower plants and with the intention of raising the pressure head of the water and to store water, dams are built by the power plants. The …

Modell och analysverktyg för beräkningav frekvensförlopp

Examensarbete, avancerad nivå · KTH

… system in 10 districts. The number of districtsdefines the number of hydropower or steam power block functions with swing massesin the model, i.e. there are three hydropower block functions with swing masses in the3-district model. In both power systems the loads are modelled to …

Utvärdering av fjädrande statorfötter

Nytt koncept i vattenkraftgeneratorer

Magisteruppsats · Uppsala universitet

… 80´s nuclear power began to be phased in to the Swedish grid, which meant that hydropower became an important source of rules. The generators began running in so called intermittent operations instead of basic operations, which meant 300-600 start/stop per year instead of …

Analys av lageregenskaper utifrån mätningar i testrigg

Examensarbete, avancerad nivå · Uppsala universitet

Vertical hydropower units has a rotating mass of up to 1000 tons. For the generator and turbine to work well the rotating system is required to be centered in relation to the surrounding structure. This is achieved by means of radial bearings. The dynamic characteristics of …