This master thesis has been performed at Vattenfall Power Consultant in Gothenburg and Trollhättan for Vattenfall Vattenkraft. In this report vacuum circuit breaker in small-scale hydropower stations with the rated power 4 MVA and below has been studied. Models of the stations are modeled and analyzed in PSCAD/EMTDC to study the high voltage transients that are created after current chopping with vacuum circuit breaker. Vacuum circuit breaker may chop the current before it reaches zero value, which means that high voltage transients can be created. The equipment of the stations can be destroyed by high voltage transients.The purpose of this thesis is to examine the use of vacuum circuit breaker in small-scale hydropower stations and the risk for high voltage transients from current chopping.According to the results there is a risk of high voltage transients after current chopping with small synchronous generators in stations with the operating voltages 0.4 kV and 3.6 kV.

In this study I have investigated how role playing may change young students´ attitudes and behavior. According to the Swedish National Agency for Education´s governing document, Läroplanen för de frivilliga skolformerna, 1994, the principals at Swedish schools are required to inform students about the risks connected with alcohol and traffic. Scientists bring to our attention the need for emotional information to change attitudes and behaviors. The Historical Wine- and Sprits Museum in Stockholm has arranged a role play that gives emotional information to school students in order to affect their attitudes towards drunk driving. My study is a qualitative examination of this role play.

The purpose of this study was to increase the understanding of the phenomenon that there are so many young people placed in institutions in Sweden despite the valuable knowledge regarding the problems and risks of doing so. The questions that follow in the essay were what guided the social workers to choose institutional placement for youngsters. It went on to also ask if this knowledge could contribute to an increased understanding of why there were so many young people placed in institutions despite the criticism from scientists. To accomplish the goal of the essay, former science in the subject was reported and six social workers within social services were interviewed. The material of the interviews was analyzed with help from the theory of human service organizations, street-level bureaucrats work situation and the new institutionalism.The result of the investigation showed that the social workers choices to place young people in institutions is guided by specific work and organizational factors connected with a belief in the helping function of the surroundings.

This study focuses on a cooperation (collaboration) project between municipalities social services and the regions psychiatric care. They will capture a client / patient group that often risks falling between the chairs, persons with a psychic disorder and a problem of substance abuse. The purpose of the study was to study the projects cooperation on its organizational level. The central questions of issue were: What is cooperation in the project? What view do the professionals have of the projects cooperation, and partly have on members of the client group persons with a psychic disorder and a problem of substance abuse? The study was implemented through participating observations on three meetings with the govern group, the project group and the POS-team and interviews with two representatives from each principal.

The purpose of this study was to make a survey of a larger company in Sweden to analyze if it complied to the stipulated Systematic Work Environment Management rules in Sweden. The company chosen was Hennes & Mauritz. The key question was to see if the company was examining and judging the risks, developing handling plans and if they were making yearly follow ups so that problems could be attended to. Further, I also wanted to examine if there was lack of competence within different departments as well as give some substantiate proposals on educations in Systematic Work Environment Management. The method used to investigate this was interviews and observations on how the Systematic Work Environment Management was handled in the company.

The thesis deals with packaging of real estate?s; an approach concerning tax benefits with the purpose to sell real estates in a more beneficial process than what is doable in direct sales. The proceeding can be beneficial because of the rules in Inkomstskattelagen (19999:1229) regarding underpriced transfers and selling of business related shares.  The real estate owner initiates the procedure through an establishment of an affiliate to a previously wholly owned parent company, where the real estate is the solitary asset of the affiliate. In order to fulfill the rules of underpriced transfers the transfer from the parent company shall be valued in regards to the tax value, else it will be taxed.

AbstractConsequence analysis ?worst case scenario? at Mälarhamnar AB VästeråsDavid DotzskyMälarhamnar AB is a company that handle large amounts of oil, diesel, biofuel and petrol. That result in a lot of work to prevent accidents. The risks with modern technology is very small but it can?t be eliminated.

ABSTRACTOverweight and obesity is an increasing problem worldwide although high-income countries take a leed. High BMI during pregnancy and delivery constitute to many risks for both the mother and her outcome. Intervention programmes with the purpose to get the pregnant women to eat healthier and to excercise more are now working out in many different shapes. The effect of these activities varies. The aim of this study was to investigate if interventions during pregnancy, with women who?s BMI are 25 or more, affects health of the mother and her expected child, delivery outcome and self estimated health.

Transdermal drug delivery, besides painfulinjections with syringes, has long been associatedwith small size particle pharmaceuticals, which candiffuse through the skin. This method of drugadministration has only been applicable on a smallnumber of drugs, where active molecules are smalland delivery time should or can be long.Other drug delivery options are oral administrationand injection with hypodermic needles (ordinaryhospital syringes). In oral administration thestomach and liver tend to dissolve the drug and theeffect becomes more difficult to anticipate, anddrug delivery rates difficult to control. Hypodermicneedles are used as a mean of drug injectiondirectly into the bloodstream. This method ispainful and risks infection due to tissue damageand skin penetration.One way to get a painless non-damaging techniquewith high delivery rate that still can delivery largemolecules is to manufacture an array of microscopichollow needles and equip them with a pumping unitthat delivers the correct amount of drugs.This thesis shows the technique and possibility ofmanufacture micromachined needles using low costtechniques of Ion Track Technology (radiation ofheavy ions creates porous materials), electrolessdeposition (non-current activated wet chemistrymethod of depositing metal) and electroplating.

This study represents seven adolescents? perspective on online poker gambling. The purpose of this study is to analyze and describe adolescents? thoughts and experiences of online poker gambling, thus gaining a deeper knowledge and understanding of how gambling affects youths in their living conditions and in their identity development. This was done by studying the symbolism and meaning that gambling has in these youths every day live and in their identity development.

This study deals with the road freight sector's capital structure and how leases, loans and equity affect the ratios. The study is based on a ten-year period between 2000-2010 in Sweden. Investments in finance is a complex and interesting subject to study, there are many factors that can affect how the company best choose their investments when they have many great business investment the decisions plays a greater role. The aim is to find an optimal capital structure from a financial investment point of view. The purpose will be answered by the following research question: Are there significant differences between leases, loans and equity financed fleet of factors, profitability, tax, turnover, age, and cyclicality. The study will also examine how debt is related to profit margin, DuPont and the tax, all through a regression analysis. Then were plausible economic theories for the study.

Several studies show that the clinical reality in psychiatric care does not correspond to the demand of consumer participation from a variety of policy documents that has been produced recently. Studies also show that there is a lot to do in improving, patients with sever mental illness, becoming more involved in their own care. The nurse has a central role in this work. The Norwegian nursing theorist Jan-Ka?re Hummelvolls holistic, existentialistic model for psychiatric nursing were used as theoretical ground.The aim of this study was to examine how nurses in psychiatric outpatient units, caring for patients with psychotic disorders, experiences consumer participation.Qualitative phenomenological method was used.

The ?good girl? is today an accepted and widespread notion. It is delimited to young girls and women who are characterised to be, for example, ambitious, high performing, working too much and risks developing mental illnesses. In today?s society women are assumed to pursue their career alongside maintaining the main responsibility for the household and family.

AbstractPeople and organizations that network with one another have during the past decades, at a larger extent than before, replaced classical hierarchies. These networks have become increasingly important, as the globalisation has amplified the pressure for focused and flexibleorganizations. There is a risk of restraining the inventiveness of the firm and force customers and suppliers into cooperation by a too great commitment and dedication to the network. There are two sides to every penny, positive and negative aspects of networking.Concerning the negative approach to networking, there is relatively little theory present. The theory is regarded an emerging theory.

This thesis explores the decisions behind swedish principals to permit or prohibit political parties from visiting schools. Through a series of semistructured qualitative interviews with five respondents from different high schools, insights were gathered into their motivations regarding political party visits to schools. The results indicate that principals view political party visits as significant for fostering civic engagement, aligned with the school's democratic mission. However, some principals opt to prohibit such visits due to concerns about non democratic values and potential disruptions. Practical considerations like safety, logistical issues, and conflict risks are also crucial in their decision-making, highlighting awareness of potential challenges posed by political visits.