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2825 Uppsatser om Distribution structure - Sida 27 av 189
Magnetfält alstrade kring nätstationer i samband med lokaldistribution av elkraft : Magnetic fields generated by electrical substations during distribution of electric power
Abstract: This report covers primarily the work of documenting electromagnetic fields generated by one of the later parts in the electrical power distribution chain: The electrical substation, wherein 10 kV is transformed to 400 V for use by private consumers. Thus it is one of the most widespread and frequently occurring parts in the Swedish power grid and of particular interest, as electrical substations are found everywhere in populated areas, often in close vicinity to people and animals.The report deals with a number of formulated questions and/or hypothesis? stated at the onset of the work undertaken, theory that is relevant for the topics the report covers, the details of the field work undertaken and the following analysis of the readings, which in term provide answers for the questions stated in the beginning. It also covers what is the currently known short term and long term risks associated with electromagnetic fields in the power frequent spectrum and of varying intensity in the vicinity of humans.The analysis also provides recommendations and identifies several points to carefully consider when planning for new installations or replacements of some parts of existing installations.For enhanced reading comprehension there is, aside from sections with pictures and attached explanatory texts and templates, several graphs, one-line diagram and maps of the power grid among the appendixes to the rapport..
Tradition eller Förnyelse? - En fallstudie av det politiska förändringsarbetet i Bromölla kommun
In 2003 the deciding political council in Bromölla municipality requested that an overhaul on the committee and public administration structure should be conducted. In the report Bromölla was characterized as a traditional organization with a low degree of change. This case study will examine why the organization previously has been reluctant to change its structure and why they are willing to do so now. In the pursuit of this objective I conducted document studies, interviews and observations. I have used theories on, institutional change and organizational culture to enlighten this.My findings shows that the traditionalists within the organization has greatly affected this reluctance towards change, in the deciding council 39 % of the representatives are 60 years or older.
Tradition eller Förnyelse? En fallstudie av det politiska förändringsarbetet i Bromölla kommun
In 2003 the deciding political council in Bromölla municipality requested that an overhaul on the committee and public administration structure should be conducted. In the report Bromölla was characterized as a traditional organization with a low degree of change. This case study will examine why the organization previously has been reluctant to change its structure and why they are willing to do so now. In the pursuit of this objective I conducted document studies, interviews and observations. I have used theories on, institutional change and organizational culture to enlighten this.My findings shows that the traditionalists within the organization has greatly affected this reluctance towards change, in the deciding council 39 % of the representatives are 60 years or older.
Utvärdering av en Magnetic Harmonic Traction Drive
In this report a new gear concept is evaluated using the magnetic finite element method (FEM)software MagNet and Ansys as well as the mechanical FEM software Abaqus. The gear conceptis evaluated in terms of maximum torque capability, torsional stiffness, gear ratio and efficiency.ABB Corporate Research has proposed a new gear concept which should be less expensive thangearboxes used today. The new concept is called aMagnetic Harmonic Traction Drive and usesthe principles of a harmonic drive gear to achieve a high reduction ratio. The gear conceptreplaces the wave generator used in traditional harmonic drives with magnets and uses tractioninstead of gear teeth to transfer the torque. The main components in the gearbox are the magnets,the flexspline, the magnetic portion and the circular spline.
Ungdomar och Riskbeteende - Youth and hazardous behavior
The purpose of our essay is to investigate the social services work for youth with hazardous behavior. To aquire relevant information we decided to us the qualitative method. We made five interviews with social workers from different sections to get a full view of the situation. The main conclutions we came up with is the importance of the family structure, and a safe home environment with good values. Another important part is a daily meaningful occupation, for the main part in this age it is school attendance.
En intressant gemenskap - En analys av begreppet intressegemenskap i ränteavdragsbegränsningsreglerna
The establishment of loan-based structures within a group of associated enterprises with the purpose of lowering the group's taxes by using deductible interest payments to transfer money has become increasingly popular in Sweden during the past few years. The legislator has therefore implemented new laws which restrict the amount of interest payments that are deductible within a group of associated enterprises. As a consequence the definition of associated enterprises has become of high importance. The definition has been criticized and is perceived by many as vague and difficult to interpret. The purpose of this thesis is to examine the definition of associated enterprises in Swedish tax law with the aim of clarifying its scope and meaning.
Vem har bäst betyg? : en kvantitativ studie om betygsfördelning
Aim: The study aims to investigate the distribution of grades between students in a practical subject and in a theoretical subject.The problem:What is the grade distribution in physical education and mathematics, with respect to gender, socioeconomic background, parental education, ethnicity, and physical activity?Method:To answer the aim of the study a quantitative method was chosen. As the collection method used was questionnaires to 620 students in the 9th grade in Stockholm. Of the 620 questionnaires, 597 questionnaires were used for the static analysis. The method of analysis used cross tables and logistic regression analysis.
Skötsamhetens makt - Den moraliska sensibilitetens struktur och maktgörandets beståndsdelar: Hur kan dygderna fördjupa förståelsen kring empowermentprocesser?
This essay shows how the concept of virtue can deepen our understanding considering processes of empowerment. A virtue is understood as a trait of character, manifested in habitual action, that it is good for person a to have. Virtues are interpreted as socially constructed. Empowerment is presented as a process toward self-confidence and self-determination where recourses and freedom propels the development toward power for the individual, the household and the community. Why does the concept of virtue deepen our understanding? It is argued that our theoretical perceptive of empowerment needs to better encompass values, norms and practise.
Makten att välja klienter : En studie om maktobalans i samverkan kring barn och unga med psykisk ohälsa utifrån skolkuratorers och socialsekreterares erfarenheter
The purpose of this study was to examine the school counsellors and social service workers experience of how the child psychiatry manage their authority in the collaboration concerning children with mental health problems. The study was conducted using qualitative interviews with school counsellors, social service workers and one former employee of the Swedish child psychiatric care. Our results are divided into two themes: Collaboration and distribution of responsibility and Children who fall between the cracks. Examples of groups of children who according to our study are at risk of falling between the cracks are those who apart from mental issues have substance abuse issues or social issues, those whose parents are in a child custody dispute, children who are acting out and children with self-harm issues. The study also reveals that it's easier for children whose parents are active and knowledgeable to get help from the child psychiatric care and that it's a requirement for both parents and children to be highly motivated.There are established social hierarchs between agencies who partake in collaboration regarding children with mental illness.
Undersökning av mätsystem och regulatorstrukturer för industriella tillämpningar
This thesis is divided in to two different parts. The first part includes examination of the measurementsystem of an industrial robot using a resolver sensor. The main focus is on methods for suppressing noise in the angularvelocity signal without increasing timedelay. Five different methods are investigated. Three of these are based on oversampling: burstsamplingmethod, meanvaluemethod and correlationmethod.
Skaftslamkrypa (Elatine hexandra) i Bolmen, utbredning, tillväxt, reproduktion och styrande faktorer
The plants in the genus Elatine are characteristic for oligo and mesotrophic lakes. This study focuses on Elatine hexandra one of the four species in Sweden. It is stated as vulnerable by the National Environment Agency and a conservation plan with guidelines to preserve the plant in Sweden is under preparation. There have been a few previous studies investigating this plant in other countries but this is the first one for Sweden. The aim of this study was to investigate the distribution, growth and reproduction of E.
Energiförbrukning för putsade, odränerade träregelväggar i fuktigt respektive torrt tillstånd
In recent years, moisture damages have been noticed in rendered, undrained stud walls. The design is built on the principle one-stage tightening which means that there is no air gap in the construction. The damages have occurred when water has permeated through the rendering in leaking connections and fittings for windows, doors, canopies, balconies, terraces and awnings. Behind the plaster carrier, which consists of either polystyrene or rigid mineral wool, plasterboard has often been used as a wind protection barrier. In many cases the wind protection barrier and the underlying wooden studs have been exposed to mould and in some cases even rot.
Beteende på offentliga platser
Several theoretic and environmental psychological models establish a connection between the environment and the reactions of humans and the research support that there is a mutual influence between individual, environmental and behavioral factors. You often assume that a person both can influence and be influenced by the surrounding environment. This is evident, but it is less obvious how a given physical design influence people?s immediate behavior in the city. The aim of this study was to investigate if the physical design of a place influences people in an urban environment and to investigate how the behavior is influenced.
Många röster små : En applicering av Michail Bachtins polyfonibegrepp på Moa Martinsons roman Kvinnor och äppelträd
The aim of this essay is to investigate to which extent the novel Kvinnor och äppelträd by Moa Martinson can be classified as a polyphonic novel. The concept polyphony was established in literary theory by the Russian language theorist and literary critic Michail Bachtin in 1929, in his book Problems of Dostoevsky?s poetics. In order to understand and comprehend the concept of polyphony I have used an interpretation due to the literature scholar Robyn McCallum. She notes that the characters in a polyphonic novel function as focalizers.
En kollektiv retorik : Om konst och kvalitet i fanart-communities
The main purpose of this essay is to study ideas concerning the concept of ?art? within the discourse of the exhibition space that is part of a fanart community. In order to do so I have used a hermeneutical and to some extent structuralistic, discourse analysis. I have examined structure and rhetorics in two established and popular communities, Fanart-Central and deviantART.My conclusions states that personal ideas regarding artistic value are undermined the joint policies, because of a collective rhetoric somewhat inherent in the community structure.When a lot of works are being based on internal knowledge of symbolics and historical narratives, this may to some extent have consequences where unfamiliar observers might fail to notice elements of possible significance. Moreover, certain interests in keeping a united front of ?quality art? may also affect a general idea immediate to what signifies fanart.