202 uppsatser · sida 7 av 14
… specifications. These technical specifications have been used to simulate the electricity production and the economical yield of each type of examined solution. The investigation shows that the best solution is the solution with several small turbines with asynchronous …
… air is supplied primarily by seven rotary screw compressors and yearly electric energy consumption in these has been determined. Furthermore, the usage of compressed air has been mapped in order to find processes with energy savings potential. Several suggestions how to reduce …
En ja?mförelse av olika transportslag mellan Mertainen och Svappavaara
… exclusively by fossil fuels. Siemens has developed eHighway, a concept for electric road systems enabling electrification of trucks, in order to reduce the environmental impact of heavy transports. This study aims to investigate the potential that eHighway has on transporting …
… electromagnet will be placed between the linear motor and the spring. When the power is cut to the electromagnet the compressed spring will be released and the drum breaks will break. The breaking system as well will be supervised by encoders and in this case linear encoders.
… in a substantial trend towards electrification of powertrains. Storage of electrical energy is the fundamental component in this technology where the lithium-ion batteries are currently considered as the most appropriate solution. Lithium-ion batteries, however, as other types …
… technical advantages compared to other energy sources, such asdispatchable electricity produc?on and frequency regula?on capabili?es, it also faces environmentalchallenges despite producing fossil-free electricity.The study concludes that achieving local resilience through …
Med fokus på Kvarteret Trettondagen
… III The delivered energy must not exceed 50 kWh/m2 Atemp,year for purely non electrically heated systems in climate zone III The average u-value for windows should be as highest 0,8 W/m2,K. The term primary energy is a term that is frequently used in the EU when talking about …
-Specifikt för aggregat G6 och G7
… to handle the thermal expansion. The concept with sliding stator feet on hydro electric generators has not beenworking satisfactory on many hydro power stations in Sweden and has caused a lot ofcosts due to long downtimes.The new station in Hissmofors is very important for …
… heating with the local power grid. This means that in the future heat and electric power will interact and energy flows is converted over energy boundaries. This places high demands on the energy systems dynamic and adaptive functions as a whole. Distributed System Operator …
… Nm3/h. Gryaab wants to research their possibilities to become independent with electrical energy and the possibilities to enrich, upgrade biogas. The use of methane rich gases like biogas and natural gas is today low in Sweden compared to major parts of the world. Natural gas is …
The Rya power plant in Borås produces district heating, district cooling and electricity. The plant is owned by Borås Energi och Miljö AB and is run by Dalkia Facility Management AB.In order to get the best heat exchange from the district hot water a pair of twin pumps and a …
en fallstudie av Lantmännen Agroetanols produktionssystem i Norrköping
… 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 …
en fallstudie av Lantmännen Agroetanols produktionssystem i Norrköping
… 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 …
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 …
… the first chapters in the report cover hydropower, system planning, the electrical market and optimization. An essential part of the work consists of modeling of hydropower systems and two different models are accomplished. Both models include delay time and maximum discharge …
