Uppsatser om electric

785 uppsatser · sida 21 av 53

Uppbyggnad och reglering av en pumpstation till ett injektionssystem

Högskoleuppsats · Karlstads universitet

… system was built up by the developed proposal. The pumping stations associated electrical box was rebuilt to meet the requirements of the system and a Mitsubishi PLC system was implemented and drawings of the electrical components were made. Then a program to control the pump …

Alternativa drivmedel i den svenska vägtrafiken år 2030

En utvärdering av den svenska regeringens målbilder

Examensarbete, avancerad nivå · Uppsala universitet

… in 2013. The use of alternative fuels for road transport, both biofuels and electricity, is expected to give the biggest contribution to the reduction of the use of fossil fuels. The inquiry sets up a number of goals for how much the use of alternative fuels must increase to …

Supply & value chain analysis of onions in Ethiopia

Examensarbete, avancerad nivå · SLU

… profit. - Wastes from onion production at farmer level can be used to produce electricity corresponding to 5.7% of the total electricity consumption in Meki and Ziway.

Förbehandlingstekniker och LCA för rötning av organiskt avfall

Modellkonstruktion och Utvärdering med ORWARE

Examensarbete, avancerad nivå

… biggest downside of the anaerobic digestion waste management process is the electricityuse needed for pretreatment and for heating the anaerobic digestion. An electricity cost that inthis case is assumed to be provided through coal power, which is a common assumption …

Hemautomation

Spara energi genom att automatisera hemmet

Kandidatuppsats · Karlstads universitet

… via an application on a mobile phone, can switch on and off the power of an electrical products in the home and as well as being able to check whether such products are switched on or off. The prototype will also collect data on power consumption for these electrical products …

Effektivisering av mellanspänningsnät med enkla medel

Feldetektorer och sommardriftläge

Examensarbete, grundnivå · Umeå universitet

Renewable energy and the charging of electrical vehicles will increase in the future. Therefore the risk of outages is also increasing, partly because renewable energy is intermittent and the production amount can change fast. Charging electrical vehicles is often demanding high …

Energikartläggning av en livsmedelsindustri

samt förslag på energieffektiviserande åtgärder

Examensarbete, avancerad nivå · Uppsala universitet

… of air and refrigeration of large spaces. These needs are supplied with electricity. Furthermore, the industry is a major consumer of district heating, particularly for heating the supply air in the ventilation system. The energy-related processes in the operations consume about …

Analys av mellanspänningsnätet i centrala delar av Västerås stad

Examensarbete, avancerad nivå · Uppsala universitet

The dependency of continuous electricity supply is high in the Swedish society today, at the same time no one is willing to pay for a too costly or over dimensioned power distribution system. The owners of the distribution systems are the ones responsible for this balance act of …

Utveckling av snabbfäste och verktyg för byte av sågklinga

Examensarbete, grundnivå · Uppsala universitet

This thesis is based upon the work done at Westinghouse electric company (WEC)in Västerås during the spring semester of 2015 and describes the development of a quick coupler with associated blade changing tool. These are meant to be used together with a sawing tool that the …

Självförsörjande elgenerering

Kan Orust bli självförsörjande på förnybar el?

Examensarbete, avancerad nivå · Uppsala universitet

… a nonprofit organisation, with a goal of annually generate the same amount of electrical energy that is consumed. Orust is an island on the west coast of Sweden, north of Gothenburg. The population of 15 000 reaches 40 000 during summer, due to the large amount of vacationer …

Småskalig vattenkraft :

Examensarbete · SLU

Small hydropower plants have been an important source for electricity for many years. During the 70?s the general thought was that nuclear was the future. Around 2000 small waterpower plants were shut down. It wasn’t profitable to invest in. But now, over 30 years later, society …

Undersökning av linjespänning vid återmatande bromssystem i spårvagn M31

Examensarbete, avancerad nivå · Chalmers tekniska högskola

… from the tramtype M31 in Gothenburg. In the act of braking, the tram M31 uses electrical braking where the electrical motors generates energy and if possible send it back to the overheadline, where other trams in the nearby can use this regenerated energy for its own driving …

Energianalys av etanolproduktion

en fallstudie av Lantmännen Agroetanols produktionssystem i Norrköping

Examensarbete · SLU

… possible to make the production of ethanol more energy efficient by producing electricity with a steam turbine before the steam is used in the ethanol plant. If this is done the energy balance will increase to 3,1. An alternative production system for ethanol has also been …