785 uppsatser · sida 11 av 53
… and upgrading the ventilation systems to recover heat. Alternatives for solar electricity and heat generation have also been presented. Results show that both solar heat and electricity can be economically viable. The viability of the solar electricity alternatives are dependent …
Potential och klimatpåverkan
… suitable for photovoltaic plants is estimated to 700 000 m2, with a potential electricity production of 110 GWh per year. This corresponds to 17 % of the City of Stockholm’s yearly electricity consumption. A selection of sport facilities and fire stations owned by the Property …
… carried out together with OC Off Course who manufactureand distribute mainly electric bikes.In today’s society, alternative sources of transportation becomes more andmore present and several bicycle sharing programs arises in major citiesacross the world every year.Something …
Framtagning av dockningsstation till cykeldelningssystem
… carried out together with OC Off Course who manufactureand distribute mainly electric bikes.In today’s society, alternative sources of transportation becomes more andmore present and several bicycle sharing programs arises in major citiesacross the world every year.Something …
… A renewable energy source is solar energy but the production of heat and electricity are today very expensive compared to other energy sources and an important task for the solar energy market to grow is therefore to minimize the production cost of the solar collectors while …
en projektanalys utifrån ett företagsekonomiskt perspektiv
… the CHP for pasteurization of milk in the dairy plant. This would reduce the electricity costs and get a positive net present value. Including a 30 percent subsidy the investment generates a higher net present value and the modified pay-off period will be 10,3 years. The …
With a larger awareness of the climate changes and increasing electricity prices, energy efficiency measures in the industry have become more common. By rationalize the activity and by the same time decrease the emission of greenhouse gases the company can both save money and …
… 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 …
… invoices during the year are the result of estimations. At times when the electricity supply system is highly loaded, electricity is more expensive. Nevertheless all clients are billed with an average price. Many clients are dissatisfied with this situation. A large number of …
… larger. The Nordic countries have come furthest towards a deregulation of the electricity market in the EU. Deregulation in combination with technological infrastructure and entrepreneurship has created a unique setting were a new Industry is taking form. This new Industry …
ett förarstödjande system för bilar
… aimed at decreasing the lateral deviation from the centre of the lane. An electric power steering, instead of a conventional hydraulic steering servo is then used to produce the torque. The LKA system has been developed in a simulation environment using Simulink before being …
… invoices during the year are the result of estimations. At times when the electricity supply system is highly loaded, electricity is more expensive. Nevertheless all clients are billed with an average price. Many clients are dissatisfied with this situation. A large number of …
The society of today is dependent of secure transports and deliveries of electrical power. Interruptions in different activities because of fallen trees cost a great deal of money in form of reparations and claimed damages for transport companies and electrical suppliers. Fallen …
… linux computer running a C-program with serial communication with an external electrical interface. When the OBD-II interface was working satisfactory, tests were also made in a car ? with good results. The most difficult thing in the project was to meet the timing requirements …
This thesis work contains a litterature study about electrical motors in general and how PWM-patterns for brushless DC-motors can be made. A suitable method has been implemented as a simulation model in VHDL. A simulation model of a brushless DC-motor which describes the …
