The need for a more efficient electrical grid has made the smart grid concept popular in recent years. The aims of this study are to identify the conditions in Sweden for implementing a smart grid and to analyse the opinions of stakeholders. One finding is that the large capacity of Sweden?s existing electrical grid decreases the immediate need for smart grid solutions. However, the rapid increase in wind power might push the development of a smart grid in the coming years.

A power system will inevitably be subjected to transient overvoltages, most often produced by switching operations and lightning strikes. These transient overvoltages may harm sensitive equipment without sufficient protection, but it is not an easy task to predict what transients may occur or how they affect the system. A fault occurred in a low voltage system at Forsmark 2012 and overvoltages from lightning were concluded as the probable cause. The three aims with this thesis are to develop and test a model of the power system at Forsmark 3, analyse the transient behaviour of the system when subjected to lightning surges and identify critical parameters, and lastly to provide a tool for investigating the protection of the system. The modelling and simulations were performed in the freely available simulation program LT Spice.

Implementering av FIR filter kan göras på olika sätt. I detta examensarbete har två olika varianter beskrivits med hjälp av VHDL, syntetiserats, simulerats och sedan jämförts med avseende på effektförbrukning..

The question of whether there is soft law in international law has been as much the subject of contemporary debate as whether or not there is private legal authority in the international society. The legal boundaries seem to be blurred by the process of globalisation and the recent shift in international law. The traditional definition of international law has been outdated as new forms of treaties has introduced new subject of law to the judicial arena. At the same time a supplementary map of law has been added to the cartography of international law, soft law. These correlating processes have comprehensive political and legal consequences at both the international and national levels.

This study departs from Gállok, an area 40 kilometres northwest of the city Jokkmokk, in northern Sweden. This is a place to which local people and Saami reindeer herders have material interests and emotional bonds. The mining company JIMAB wants to prospect for extracting minerals from this area. In the summer of 2013 local people, Saamis and environmental activists gathered in Gállok in order to protest and make resistance against these plans. Activism was made, debate articles were written, demonstrations were organized and information about what was going on in Gállok was shared through social media.The aim of this study is to examine the cultural processes of the anti-mining movement, in particular the happenings in Gállok in summer 2013.

In this essay I have studied how the kid?s school start are described in picture books. The studied questions are: How the school is described in these selected picture books; what feeling does the main character have into the school start; how the teachers are described in this selected picture books and how are the power relationship described in these selected picture books?The method I have chosen for this essay is a discourse analysis of seven selected picture books with the meaning of starting school. All books studied are written during the 1990 and forward.

My main purpose with this paper of John Steinbecks Of mice and men is to both analyze the long-lived structures and the unique individual destinies of the novel. I employ the method of the historical Annales-movement and use three divided levels in my analysis to try to capture these high structures and low moments of humanity in Structure, Konjuncture and the Individuality. The first level, Structure, is used to see how long-lived almost invisible geographic structures set the human act of condition. The second level, Konjuncture, is easier to grasp in understanding of time and embraces for example economic structures as the industrialism. The last level of Individuality is the fastest in time and easiest to understand but in the long run also the least important.

During several years we have been able to follow the victories and disappointments of Ludmila Engqvist through the scrutinising eye of the media. This essay will deal with how media?s picture perception of Ludmila Engqvist has changed by analysing articles from the Swedish newspapers Aftonbladet and Expressen from 1996 to 2001. Why and how the media?s picture has changed will be analysed through the perspectives of Ludmila Engqvist being an elite athlete, immigrant and woman.

The purpose of this paper is to study how the TV program Border Security: Australia?s FrontLine (Gränsbevakarna Australien) can be seen to reproduce networks of human and non-human actors. The aim is thus to investigate how boundaries between nations are upheld and how people, as a consequence, are discoursively categorized and what preconditions this create for people?sidentity- and meaning-making practices.The theoretical and methodical framework is built upon Bruno Latour?s work on Actor-Network-Theory, and discourse analysis inspired by Michel Foucault. The empirical material consists of two episodes of the TV program.

The main aim of this study is to examine the political debate in Sweden around a potentionalcriminalization of buying sex abroad. A second additional aim is to analyze the debate from anintersectional feminist gender perspective, by bringing attention to ideas about gender, ethnicity andpower expressed in the empirical material.The questions at issue are:What are the arguments for and against the potentional criminalization of buying sex abroad andwhich central discursive battles can be discerned throughout the debate?What impact do ideas about gender and power have on the construction of a general advocatediscourse versus a general antagonist discourse?The methodological point of departure is Critical Discourse Analysis, drawing on the theories ofNorman Fairclough, Ernesto Laclau and Chantal Mouffe. The empirical material consists of 27articles and editorials publicized in Swedish newspapers between January 2011 and November2014.The result shows that the polemics manifested in the debate are based on different ideas aboutgender, ethnicity and power. A crucial discursive battle stands between human rights andinternational law as a superior principle.

The aim with this paper is to investigate how the Social Democratic Party (SAP) deals with the question of economic migrants, or more specifically how the problem is represented by the Social Democratic Party, and how this representation has developed over time. The SAP's theory became recently contested by a competing theory that was caused by the predicted future demographic development in Sweden, combined with the EU's eastern expansion. The first factor contributed to the re-write of the theory, to a theory that saw economic migrants as a solution instead of a problem, in direct contrast to SAP's theory. The second factor was a direct threat to SAP's labour immigration policy. This leads to my second question, how did SAP respond to this pressure?The answers to these questions are achieved by using discourse analysis by applying a problem oriented theory on empirical material, constituting propositions, articles in mass media and parliamentary debates.

This report summarizes the development of a calculation program estimating the profitability of converting a peak-load oil-fired boiler to pellets. To convert an oil-fired boiler to pellets a new fuel handling system must be designed. Changes also have to be made to some other components. Since there are many different techniques for transportation, storage and treatment of the fuel only the most interesting techniques from Swecos experience and interest were included in the study.The capacity of the different parts in the system was dimensioned based on the power of the boiler after conversion. To estimate prices, installed power and dimensions manufacturers and distributers were contacted.

Treatment is both about the actual encounter and how individuals interact as well as the behaviour among the counterparts. Previous research shows that a person?s experience of how he/she is being treated is formed by conditions created by external factors, in literature known as the general view on treatment. The purpose of the study is to show how people with a physical disability experience the treatment from their Social Security Agency administrators. We have compared the empirical material with theories on treatment and power and analysed how this affect the interaction between the administrator and the disabled person.

Uppsatsen kartlägger samband mellan explicit CSR och variabler som storlek, utlandsverksamhet och lönsamhet för företag listade på Large Cap, Datainsamlingen till statistiska beräkningar på SPSS har varit från årsredovisningar för år 2007..

Street art can be defined as an artistic expression, often anonymous and illegal, which is constructed in the public environment. The purpose of this essay is to provide a broad and balanced picture of what street art can mean. The aim is to examine street art as a phenomenon. What features has the phenomenon and in what ways is it important for the creators, spectators and place? This paper focuses on graffiti.