Uppsatser om grid
345 uppsatser · sida 11 av 23
Examensarbete, avancerad nivå · Chalmers tekniska högskola
… plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control stability of the hydropower plant in island operation. To verify the turbine model, efforts have been made to reproduce the existing efficiency curves by using the …
Examensarbete, avancerad nivå · Chalmers tekniska högskola
… plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control stability of the hydropower plant in island operation. To verify the turbine model, efforts have been made to reproduce the existing efficiency curves by using the …
Examensarbete, avancerad nivå · Chalmers tekniska högskola
… plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control stability of the hydropower plant in island operation. To verify the turbine model, efforts have been made to reproduce the existing efficiency curves by using the …
Examensarbete, avancerad nivå · Chalmers tekniska högskola
… plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control stability of the hydropower plant in island operation. To verify the turbine model, efforts have been made to reproduce the existing efficiency curves by using the …
Examensarbete, avancerad nivå · Chalmers tekniska högskola
… plant are modelled and put together with a frequency regulator and a power grid in order to simulate the control stability of the hydropower plant in island operation. To verify the turbine model, efforts have been made to reproduce the existing efficiency curves by using the …
Kandidatuppsats · Högskolan i Halmstad
… a solar collector for heating the tap water. The PV-cell is connected to the grid, and the grid is being used as storage for electricity. The second part deals with a future scenario where the PV-cell is the primary energy source and the energy is stored as hydrogen, which can …
Kandidatuppsats · Södertörns högskola
This paper will discuss the proposed reintroducing of a final degree in upper secondary school. In a public government inquiry that was released in March 2008 a proposal about reintroducing a final degree in upper secondary school was presented. A final degree has not been a …
ett nytt element i bebyggd miljö?
Examensarbete, avancerad nivå · SLU
… turbines, technical faults and the cost for connection to the electrical grid are all contributing factors. Despite these problems there is still an interest in urban wind energy, an interest that must have its cause in other values than the economical profit. These values have …
en analys av bakomliggande mekanismer och följsamhet till styrdokument.
Masteruppsats · Gymnastik- och idrottshögskolan, GIH
… har lärarna vid betygssättning, som den framkommer med metoden Repertory Grid? Hur matchar den mentala dokumentationen de satta betygen? Vilken skriftlig dokumentation har lärarna vid betygssättning? Hur förhåller den mentala och den skriftliga dokumentationen till varandra och …
Examensarbete, avancerad nivå · Uppsala universitet
… tests, where hydropower generators are used to power up the electrical grid in case of a blackout. To monitor the electrical grid, Phasor Measurement Units (PMU) are used. Each PMU is individually equipped with a GPS-receiver to precisely timestamp the data relative to the …
Examensarbete, grundnivå · Chalmers tekniska högskola
… consists of woodland. The aim is to explore different ways to plan the street grid in the area, and the location and design of the houses, in regard to a number of different parameters. Finally, the investigation is visualized in 3D, in the shape of photo realistic pictures from …
En studie av chefers ledarskap i banksektorn under förändringsarbete
Kandidatuppsats · Karlstads universitet
… i organisationer, ledarskap/chefskap, ledarstil E och O samt Grid- modellen. För att fa? en djupare första?else om sammanhanget har vi a?ven valt att fördjupa oss i teorier om banksektorn och service. Undersökningen har visat att bankcheferna överlag har pa?verkats utav det …
<em><em>Magnetic fields generated by electrical substations during distribution of electric power</em></em>
Kandidatuppsats · Linnéuniversitetet
… one of the most widespread and frequently occurring parts in the Swedish power grid and of particular interest, as electrical substations are found everywhere in populated areas, often in close vicinity to people and animals. The report deals with a number of formulated …
Kandidatuppsats · KTH
… by solar water heaters. Different uses of the obtained energy are discussed ” grid-connected systems, local direct current systems and heating of tap water. The results show that two technologies are profitable ” ordinary silicon cells and thin film cells in a local direct …
En förstudie i tekniska och ekonomiska konsekvenser för Värnamo Elnät AB
Examensarbete, grundnivå · Umeå universitet
… a ripple control system which is used to control loadsespecially when the grid is heavily loaded and for control of street lighting. This report aims atclarifying technical and economic aspects of the ripple control system’s future. The system wasinstalled from 1975 and onwards …