Uppsatser om electric

785 uppsatser · sida 41 av 53

Utvärdering av en väggkonstruktion utan PE-folie

Med en undersökning av hårdvaxolja som diffusions-/konvektionsspärr

Högskoleuppsats · Högskolan i Gävle

… water accumulator is then either charged or discharged depending on current electrical price, demand of district heating and the level in the accumulator. The results from the simulations done with the model shows that it is possible for Strängnäs Energi AB to earn between 0 ? …

KORTSIKTIG PRODUKTIONSPLANERING I MINDRE FJÄRRVÄRMESYSTEM

En studie vid Strängnäs Energi AB

Examensarbete, avancerad nivå · Mälardalens högskola

… water accumulator is then either charged or discharged depending on current electrical price, demand of district heating and the level in the accumulator. The results from the simulations done with the model shows that it is possible for Strängnäs Energi AB to earn between 0 ? …

Energioptimering

Resteffektkylning av mellanlager för använt kärnbränsle (CLAB) Oskarshamn

Kandidatuppsats · Linnéuniversitetet

… in Växjö. They have been assigned by SKB in Oskarshamn to renew their electrical power supply and the ancillary processing systems in their Central provisional storage of spent nuclear fuel, CLAB. Today in the CLAB facility, the spent fuel is cooled down with water pumps, driven …

Jämförelse av verklig och modellerad elproduktion från en solcellsanläggning

En utvärdering av två simuleringsverktyg.

Högskoleuppsats · Högskolan i Halmstad

… roof and is the point of reference for both software´s in the calculation of electricity production.The subject of the thesis concerns the solar energy with a focus on grid-connected photovoltaic systems and beyond that the work has also led to an investigation of solar …

Energieffektivisering på Skutskärs Bruk

Varvtalsstyrning till utvalda pumpenheter på Blekeri 4

Kandidatuppsats · Högskolan i Gävle

… efficient as possible to reduce the amount of energy used. About 10 TWh of electricity used annually to pump drives in Swedish industry. Therefore, pumping system has great potential for energy savings. The objective of this report was to determine how much energy and money that …

Test och verifiering av en ny inkapslingsmetod för SiC BJT och MOSFET

Examensarbete, grundnivå · Uppsala universitet

… a new packaging technique developed by Swerea IVF AB.It includes setting up an electrical test-bed for power and high temperature cyclingand analysis of the results. Even though test confirmed functionality after thepackaging process, (at room temperature) the performance seemed …

Kontinuerlig temperaturmätning i bädden på gratevagnar

Högskoleuppsats · Umeå universitet

Luossavaara-Kiirunavaara Aktiebolag (LKAB) är en gruvdriftskoncern med järnmalmsbrytning som huvudsaklig verksamhet. En av produkterna tas fram genom att raffinera järnmalm till pellets vilket är en efterfrågad produkt vid ståltillverkning. Vid sintring av råkulor till pellets …

Energiförbättrande åtgärder på befintliga flerbostadshus

-En lönsamhetsanalys

Examensarbete, grundnivå · KTH

… 70's and today the EU wants to increase the own individuals control over their electricity costs. This has led to a discussion whether to implement the system in Sweden or not.However, there are a number of equitable measures to be sorted out before the system can be used in any …

”Knowing what is going on”

-Tågförares upplevelser av ERTMS

Magisteruppsats · KTH

… design. Intheory it's an ordinary transformer that'ssuppose to transform electrical effect toa high voltage line. The design of thetransformer is using an already existingcurrent transformer design and is adjustedto work for it's specific purpose. Theproject also contains the …

Dimensionering av hjälptransformator

Kandidatuppsats · Uppsala universitet

… design. Intheory it's an ordinary transformer that'ssuppose to transform electrical effect toa high voltage line. The design of thetransformer is using an already existingcurrent transformer design and is adjustedto work for it's specific purpose. Theproject also contains the …

Enegiutredning Hotell Princess

Kandidatuppsats · Högskolan i Gävle

… consists of bought energy (district heat) and ”free” energy (heat from humans, electric apparatus, solar energy and lights). The losses include unwanted ventilation, transmission, ventilation, and tap water losses. Calculations have been done with help of collected statistics …

Hybriddrift i stridsfordon, fördelar och nackdelar

Examensarbete, grundnivå · Försvarshögskolan

Petro-electric IFVs (Infantry fighting vehicles) or hybrid-IFV’s are not a new phenomenon. During the 1900?s Germany as well as the U.S both tested vehicles constructed with hybrid technology. In spite of several identified advantages, no serving hybrid-IFV exists today. This …

Ström- och temperaturkontroll

Examensarbete, grundnivå · Uppsala universitet

Storing kinetic energy in a flywheel allows for more efficient driving of electricvehicles. Research in this area is in progress at Uppsala University, where a flywheelwith magnetic bearings encased in a vacuum chamber is being constructed. To makethis possible methods for …

Omvårdnadsåtgärder vid Nutritionsproblem hos patienter med huvud- och halscancer

En litteraturstudie

Kandidatuppsats · Uppsala universitet

… where analyzed based on their quality and contents. The result showed that electrical stimulation and rehabilitation was used against dysphagia, they both had a doubtful effect. Mouth washes was commonly used to reduce mucositis; triclosan mouthwash, benzydamine mouthwash …