The hydropower from Nissan River is of national interest and produces annually 230 GWh from the twelve power stations in the main flow. For modified waters a consideration between the power production and the biological values has to be made. This reports serves as a pre-study for Nissans Vattenråd. It tries to evaluate some of the biological values in the Nissan basin and map the power production in the area. And the size and value of lost power production from new fishways for the twelve stations in the main flow.The investment of new fishways is calculated using simplified templates with values from the business.

Results have shown that flow batteries may be a solution in the future as an effective and environmental friendly method to an energy storage system (ESS). The technology is reliable and has a high efficiency that comes with low energy losses and a long lifetime. The range of possible fields is suitable for cutting energy peaks in the power grid, by always have a ready and available energy storage that balances the production. By comparing the advantages of flow batteries with conventional batteries it is mainly the fact that they can conserve energy for a long time without being self-discharged thanks to that the storage capacity is in principle endless and limited by the size of the electrolytes tanks that makes them a great energy storage system. The batteries won?t take any damage or decrease in performance when charging or discharging it or if you exhausts it to 100 % and leave it discharged for a long time.

Since the 1950s, the development of modern rotation forestry in boreal Fennoscandia has resulted in a severe reduction of older forests, and a high degree of fragmentation among the small patches that remains of old forest. In Sweden, when performing conservation value assessments in order to identify and preserve the remaining forest habitats, the government authorities use to a significant extent a set of indicator species that indicate habitats of high biological conservation value. One species considered to indicate high conservation values in pine-heath forests is the red-listed ectomycorrhizal (EM) macrofungi Sarcodon scabrosus (Fr.) P. Karst. In the present study, the validity of using S.

This master thesis is an in-depth study of an existing heating system at a household cooperative in Uppsala that has been converted from district heating to a bedrock heat pump system. The study focuses on an economical system optimisation of the building?s complete heating system. The aim was to determine how well a heat pump system in large buildings actually work, find out possible ways to optimize the existing system and point out important system parameters for new heat pump installations in larger buildings.The project points out a possible energy cost reduction of 45 % without investment and further cost reductions with equipment investments. A reduction by 30 % is possible by improvements in the regulation system and 15 % is possible by maintaining the brine system.

The use of entertainment in various kinds of business events has recently increased in popularity among Swedish firms. Often, stand-up comedians are hired to entertain the employees or customers during these happenings. Generally, the firm invests a considerable amount of money in this service and is furthermore willing to pay a premium for a famous comedian. Although the market for this type of service is fairly large, the knowledge of the motives behind the investments is yet limited.A grounded theory study is carried out exploring the purpose of the entertainment as well as the rationales behind the preference for a famous comedian over an unknown. Two general types of contexts (internal and external) are identified and a number of objectives related to each type are distinguished.

The European Union has been working to promote equality between women and men for a long time. Despite this, Sweden still have a gender segregated labor market where men generally has the leading positions. According to European law the member states shall promote gender equality and to take all appropriate measures. Statutory gender quotas for company boards is one such measure that some of the European member states have implemented in national law. The Swedish law has no provisions governing gender quotas and therefore the purpose of this study is to explain how gender quotas for company boards relate to current law, both of European law and national legislation.

It is about the patriarchal power structure which we are living under and so have done in hundreds of years. And about to (dare) see, because it can take fairly subtle expressions which is rather difficult to discover if you are not aware about them. This paper is about these power strutures seen from the daily round of four girls which study nurse´s training in upper secondary school and four girls which study construction´s training in upper secondary school..

Den här rapporten har som syfte att utreda vilket eldistributionssystem för offshoreenheter som sparar mest vikt och utrymme. De två elsystem som jämförs är GVAs standard system och Siemens Blue Drive System. Rapporten innehåller en teoretisk bakgrund för båda systemen och dimensionering av systemens kraftkablar samt beräkning av kabelvikter och komponentvikten för systemen. För att uppskatta kabel- rutter och längder kommer ritningsunderlag för GVAs offshoreenhet 7500 att användas.Resultatet visar att GVAs standard system är det eldistributionssystem som har den lägsta totalvikten med 168 ton, GVAs standard system har en vikt som är 101 ton lägre än Siemens Blue Drive System som har en vikt på är 269 ton. GVAs standard system har en lägre ström vilket gör att ledararean blir mindre och i med det blir kabelvikten mindre.

IT - systemen har blivit en del i samhället. IT -system används inom olika områden och verksamheter i och med detta så har användbarhets faktorer i IT -system blivit sådan som inte går att bortse ifrån. Det finns många användbarhetsfaktorer som alla skiljer sig mer eller mindre åt. Gemensamt för dem alla är att ett system bör innehålla visa kriterier för användbarhet för att godkännas av användaren då de använder sig av ett IT -system.Det finns en vilja att skapa användbara system för att underlätta för användaren. Visa faktorer i användbarhet i ett IT -system är genom tänkta medan andra behöver förbättras för att anpassa till beslutfattande och ta hänsyn arbetsmiljöaspekter.

This thesis has focused on the possibility to use a satellite image method developed by Metria Mijöanalys to identify stands that are wrongly registered in Holmen Skogs database. The method is only intended for identifying stand with poor descriptions in Holmen?s database that needs to be updated and not for updating the stand information. The study area is located several km west of Hudiksvall on the borderline between Gävleborgs- och Västernorrlands län. The area is covered by a SPOT image from 2005. By which Metria Miljöanalys has made estimates of forest parameters for all stands in the area, and compared them with corresponding estimates according to the stand database.

Syftet med detta examensarbete var att beräkna vad det kostar att ha UPS-kraft (Uninterruptible Power Supply). Arbetet utfördes för Västfastigheter på Södra Älvsborgs Sjukhus (SÄS) i Borås. Studien utfördes på en UPS i drift i byggnad 7. UPS: en i denna byggnad har 10 kVA kapacitet och är av dubbelkonverterande typ. Batterier av Ni-Cd (Nickel-Kadmium) typ används till backup med UPS: en.

The purpose of this study is to investigate how the legal protection against sexual harassment at work functions, and where to draw the line. The study is limited to focus on the sexual harassment directed at women from men, because it usually occurs that way even though only a few report the incidents. The results are discussed from a gender perspective on how the distribution of power is between men and women as a way to explain sexual harassment.Sexual harassment is currently protected by the discrimination law and the EU principle of equal treatment for men and women. For a behavior to be considered as sexual harassment it has to be unwanted by the receiving party and the person practicing the harassments must be aware that the behavior is perceived as offensive. The behavior shall be of a sexual nature and contribute to a disadvantage for the victim in the form of a violation of that persons integrity.It is the victim that determines whether the behavior is perceived as sexual harassment or not, what one person believes is a friendly behavior may be perceived as offensive by another.

The purpose of this essay is to analyse how medial representations in a specific cultural debate expresses thoughts about gender, power and speech. The debate in question took place in Sweden 2010 and was about an inspection of sexual harassments in the Swedish acting area, made by Sveriges Radio, Ekot. This essay examines the made representations of the debate, with a feministic point of view and concludes that a male gaze shapes the form of speech and gives the debate a discourse sort of reasoning about gender. The special discourse formatted in the examined area contains a certain conception of power and the structure of power, which is also explained by the male gaze and the meaning of post-feminism..

WesDyne TRC AB is a fully owned subsidiary of the global WestinghouseElectric Corporation. WesDyne is a world leader in non-invasive methods for theinspection of nuclear power plants. One of the inspection platforms used to scanfor defects in and around the welds in the reactor vessel is called the T-crawler.The T-crawler operates under water in a radioactive environment by stepping onthe vessel (reactor tank) inner wall using suction cups. The environment is harshand many traditional positioning sensors are not suitable for implementation. Thisthesis investigates the possibility to use a gyroscope and a pressure sensor tocreate an alternative and independent positioning system.

Värnamo Elnät owns and operates a ripple control system which is used to control loadsespecially when the grid is heavily loaded and for control of street lighting. This report aims atclarifying technical and economic aspects of the ripple control system?s future. The system wasinstalled from 1975 and onwards and its use was greater in those days when the controllableloads where greater then today, the current controllable load level is about 3 MW. The reporthighlights three different aspects of the ripple control system?s future ? retain the currentsystem, reinvest in a newer system or discontinue the system.In the report the author also discusses relevant connections to Smart Grids and future meteringsystems and tariffs.