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3454 Uppsatser om Power network - Sida 38 av 231

Musikskolecheck. En undersökning om den nya musikskolechecken i Nacka kommun

AbstractThe future of ethanol is depending on good solutions for the production. ENA energy power plant produces electrical power and district heating by heating biofuel. By building an integrated bioenergy plant surplus steam could be used to produce ethanol as fuel to vehicle.This would mean that ethanol is produced renewable energy and the energy for the process derives from the surplus of power.  ENA energy, MDH (the University of Mälardalen) and the energy authority has initiated a research project were different bioenergy combinations integrate with existing power plant.  As a part of the project which size an integrated factory should be to gain the best efficiency for the plant was investigated. Consideration will be taken to the cost of the production in order to be competitive to the price of imported ethanol.  Etanolens framtid vilar på bra lösningar för framställning.  I ENA energi kraftverk i Enköping produceras el och fjärrvärme genom eldning av biobränsle.  Genom att bygga ett integrerat bioenergikraftverk där skulle man kunna använda överskottsånga till att framställa etanol som fordonsbränsle.

Bolivia kvinnorörelser och multietnisk stat

This thesis examines the possibility of Bolivian indigenous women?s social movements? getting their demands of a gender equal society fulfilled in the new state which was initiated in 2005 when Evo Morales became the first president representing the indigenous people of the country. By using a qualitative method I have showed that although the Bolivian indigenous women?s social movements? historically has been significant political actors for social change in the country, with representation at both regional and national level, Bolivian women are still subordinated in the social and political sphere. By applying a feminist intersectional perspective which takes its point of departure in a understanding of power as multidimensional, where gender, ethnicity and class are constitutive principals, multiculturalism theories and a social movements theory framework, I have found that even if institutional changes, that opened the system increased the indigenous women?s social movements political participation in Bolivia, power structures based on gender limited their possibilities to influence both socially and politically.

Utredning av frekvensregleringens påverkan på mekanisk utrustning i en kaplanturbin

As a consequence of increasing wind power installations in the Nordic grid the last years, the need for regulating power has become larger. In the Nordic grid, regulating power is mainly provided by hydro power. One part of the regulating power is called frequency control, which ensures that the grid frequency is stable and close to 50 Hz.However, setting the turbine into frequency controlled operation may cause stress and wear of the components in the mechanical control system. Frequency controlling implies large and frequent servo forces and longer travelling distance of the sliding bearings in the Kaplan turbine.Based on one selected Kaplan turbine, Selsfors G1, measurements and MATLAB calculations have been performed in order to determine forces and movements of the linkage system. With these forces and movements as input, stresses and fatigue have been determined as well as sliding distances, bearing pressures and wear of bearings during a typical lifetime of 40 years.The results indicate that no severe wear exists on the bearings during 40 years of service.

Natursyn och kärnkraft / View of nature and nuclear power

Kärnkraften har så länge den funnits varit en omdebatterad energikälla. Syftet med denna uppsats är att utreda och få en bild av hur och på vilket sätt natursynen hänger ihop med åsikter om kärnkraft. Jag har redogjort för vad energi är, kärnkraftens historia i Sverige och som energikälla samt beskrivit för- och nackdelarna med kärnkraften. För att kunna ge en bild av kärnkraft och natursyn har jag genomfört kvalitativa intervjuer med personer som på olika sätt är insatta i problematiken kring kärnkraften. Min undersökning visar bland annat att natursyn är ett komplext och stort begrepp som vi bör vara medvetna om hur det fungerar i arbetet för att förbättra miljön..

"...Jag har äntligen hittat hem!" : En kvalitativ studie om hur medlemmarna i organisationen Unga KRIS uppfattar organisationen

This study examines the link between the individual and social network, what social forces and social mechanisms involved in the interaction between individuals and groups and how we can explain and consider this relationship with the aim of understanding this connection. Through qualitative interviews, based on interviews of six active members in the organization Young KRIS (Young Criminal?s Return in the Society) examines the active social processes that the young members undergo, and motivates those who have been outside the expected conformed and regular society, to be included in the regular community and how this can be explained. The study shows that the organization through high availability, openness, knowledge of the needs of young people, good treatment, range of meaningful activities, has created a great venue for the young to develop and thus regain their place in the society..

Skolverkets kursplaner - blev det som det var tänkt? En undersökning om grundskolans musikundervisning

AbstractThe future of ethanol is depending on good solutions for the production. ENA energy power plant produces electrical power and district heating by heating biofuel. By building an integrated bioenergy plant surplus steam could be used to produce ethanol as fuel to vehicle.This would mean that ethanol is produced renewable energy and the energy for the process derives from the surplus of power.  ENA energy, MDH (the University of Mälardalen) and the energy authority has initiated a research project were different bioenergy combinations integrate with existing power plant.  As a part of the project which size an integrated factory should be to gain the best efficiency for the plant was investigated. Consideration will be taken to the cost of the production in order to be competitive to the price of imported ethanol.  Etanolens framtid vilar på bra lösningar för framställning.  I ENA energi kraftverk i Enköping produceras el och fjärrvärme genom eldning av biobränsle.  Genom att bygga ett integrerat bioenergikraftverk där skulle man kunna använda överskottsånga till att framställa etanol som fordonsbränsle.

?Att våga ställa frågan, att våga höra svaret?

The purpose of this report is to map the situation for girls residing in women?s refuges because of honour violence. The questions posed are: What forms of abuse have been described to staff working with females in refuges for victims of honour violence? What are the deciding factors that lead to a girl leaving her family and being placed in a refuge? What are the help needs of girls residing in women?s refuges because of honour violence? Five qualitative semi-structured interviews were conducted amongst staff from five different women?s refuges specialising in honour violence. The results were analysed using Foucault?s theories on power, victim vs actor, victim processes along with a victimisation perspective.

Investeringar i småskalig vattenkraft vid befintliga dammar : - En studie av teknik-, ekonomi- och miljöfrågor

In this thesis a method for evaluating investments in small scale hydro power is presented. An analysis of the future position that small scale hydro production will have on the Nordic electricity market is also carried out. This is done by an inventory of technology and economic and environmental aspects. The inventory is also a guide as to how the project should be implemented.Hydrolyzer is the name of the Excel tool developed to evaluate investments. The tool requests input data from the user and then evaluates the investment and generates a sensitivity analysis.

Värmning av avloppsvatten med spillvärme för att förbättra kvävereningen -Temperaturens inverkan på kvävereningen

The goal for this master thesis project has been to investigate the power quality in adistribution grid, which has a high fraction of dispersed power production due towindmills. The study has been done on a grid in Laholm South of Halmstad, whereapproximately 45 windmills are connected to the distribution grid owned by SHKEnergi. The investigation has been focused on to two radialy fed 20 kV lines, wheretwelve windmills are connected.Voltage variations have been studied by creating a model of the grid in the simulationprogram SIMPOW. The largest deviation that has been found in any point of the gridis ±1.9 % of the nominal voltage. This deviation is a result of varying powergeneration from the windmills and the voltage regulation at the connection point ofthe line.

Hantverket bakom intervjun: Studenters framställning av kvalitativa intervjuer som undersökningsmetod

When producing an interview report the researcher is put to the test of describing the qualitative interview method in terms of assumed orderly steps and procedures taken during the interview process, while at the same time account for a very social dynamic process. In practice, even the most carefully prepared scenario for a qualitative interview study probably does not correspond to the expectations made. What happens between the plans and the actual interview itself? This issue is investigated by contrasting the actual engagement of the participants in an interview project to how these relationships are accounted for in Master thesis from the Swedish School of Library- and Information Science in Borås. Theory and methodology from Actor Network Theory (ANT) have been applied into the area of qualitative interviews.

"Lite snyggare, lite mer partyaktiga, lite mer Paradise" : En kritisk diskursanalys av kön och sexualitet i Paradise Hotel

The purpose of this thesis is to examine how power structures concerning gender and sexuality emerge through the use of language in the Swedish reality show Paradise Hotel. Of particular interest is the representation of heterosexual relations in the show. Because of its interest in the relationship between power, gender and sexuality, the thesis is based on theories from gender and discourse studies. The specific theories referred to are Michel Foucault?s understanding of power, stereotypes according to Stuart Hall, Yvonne Hirdman?s gender system and contract theory, Judith Butler?s heterosexual matrix and R.W.

Att definiera omsorgsbrist : En kvalitativ studie om socialsekreterares tolkningar av 2 § LVU utifrån intersektionalitet och makt

This study regards the Care of Young Persons Act, LVU, and the 2 § that focus on parent inability to care for their children. The assessment of parent ability to care for their children is performed by social workers in different municipalities. The law leaves room for interpretation concerning how to assess parent ability and therefore we found it interesting to study how social workers interpret 2 § LVU. The study?s aim was also to seek an understanding of how different categories, like gender, race, class and physical and psychical ability of the parents affect the assessment of their parenting ability, with a intersectional perspective.

Beräkning av värmeförluster och energieffektivisering av elbussar

The ?civilized? world is in need of fossil fuel in order to function. Hybricon AB is a company in Umeå that is developing a technology that hopefully can reduce parts of this need. They are currently testing their two electrical busses (with Hybrid backup) in city traffic on the roads of Umeå in cooperation with the county of Umeå.                               The busses are originally diesel-busses, but the diesel motor has been replaced with two electrical hub-motors with a power of 145 kW each that are powered by batteries.The batteries are charged at the end station after each route. In case the batteries should run low on capacity during driving, they can be recharged by the so called genset.

Mötesanläggningarnas framgångsfaktorer : En fallstudie av Stockholmsmässan och Stockholm Waterfront Congress Centre

The aim of this essay is to examine how important marketing and networking is for the meeting industry in Stockholm. The meeting industry is one of the most profitable areas of the tourism industry today and a major contributor to economic growth in Sweden. The meeting industry has grown rapidly in Sweden and Stockholm has during the last five years been one of the ten most popular congress cities in the world. This has resulted in that the city has become a strong competitor to other European cities.Stockholm International fairs are for example the largest trade fair organizer in Scandinavia and Stockholm Waterfront Congress Centre is the new arena of opportunity.However the marketing and a broad network is necessary for meeting facilities if their aim is to be successful. Marketing contributes to the meeting facilities establishment and makes it well known for the potential market, while the collaborations and relationships is important for facilitating their work.

Nekande tvångsmakt i Operation Unified Protector

There are several competing views on how to best utilize air power. Following his quantitative study of air power, Robert Pape developed a theory which focuses on undermining the target state's military strategy. According to Pape it is possible to explain the outcome as a result of military vulnerability. This essay seeks to determine if Pape's theory can predict the outcome of Operation Unified Protector. By using a mixed methods approach on four hypotheses, it will be determined if the operation was a successful case of coercion, if NATO acted according to Pape's model and whether this achieved the desired effects or not. The results reveal that the theory could not successfully predict the outcome of the conflict.

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