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1989 Uppsatser om Medium Voltage Network - Sida 16 av 133

Från den stora världen till den lilla familjen : En kvalitativ studie om rekrytering, utredning och utbildning av familjehem för ensamkommande barn

This study aims to examine how professionals in the field of foster care works with recruitments, assessment and education of family homes for unaccompanied children. The intention is to find out in case there are specific needs that justify specific approach to ensure that the child's best interests are indicative and satisfied. The survey was conducted based on a qualitative method and empirical data gathered through semi-structured interviews with employees in the social services. The result shows that there is a need for more and specific education for families receiving unaccompanied children. It is motivated by the needs and conditions that are often common for this group.

Implementing a receiver in a fast data transfer system : A feasibility study

This report is an outcome of a master degree project at Linköpings University in co-operation with Micronic Laser Systems AB. The purpose with this master degree project was to investigate how to implement a receiver in a data transfer system. The system consists of several data channels, where every channel consists of three parts: driver, transmission lines and receiver. The driver send low amplitude differential signals via the transmission lines to the receiver that amplifies and converts it to a single-ended signal. The receiver has to be fast and be able to feed an output signal with high voltage swing.

Vidareutbildning under arbetslivet : små och medelstora revisions- och redovisningsbyråers syn

In our study the purpose was to examine the influence of Continuing Professional Education on small and medium sized auditing- and accounting practices. The study also aims to analyze possible similarities and differences in how small and medium sized auditing and accounting practices are affected of the requirements regarding Continuing Professional Education. In order to fulfill our purpose in the study we conducted interviews with auditors and accounting consultants on small and medium sized auditing- and accounting practices. Totally did we conduct seven interviews with four auditors and three accounting consultants. The majority of auditors and accounting consultants we interviewed are satisfied with the current requirements on Continuing Professional Education and think they contribute to the increase of quality and status of the work tasks performed by auditors and accounting consultants.

Optimering av ett mellanspänningsnät : Optimization of a medium voltage electricity grid

EU vill genom att använda energin effektivare sänka sina energikostnader och minska sitt beroende av externa leverantörer av olja och gas vilket leder till att miljön skyddas. Av den anledningen krävs att energieffektiviteten ökas från produktion till den slutgiltiga konsumtionen inom EU. Jämtkraft är miljöcertifierat enligt ISO 14001 och arbetar därför årligen mot uppsatta miljömål. Detta examensarbete har studerat ett av dessa mål, möjligheten att minska överföringsförluster i ett av Jämtkrafts mellanspänningsnät. Området som examensarbetet baseras på är fördelningsstation Nälden FS23.

En systemlösning för en framtida fjärrvärmeutbyggnad i Täby : ur Fortum Värmes perspektiv

At the moment in central Täby there are small district heating network operated by Fortum Heat. The distribution network has an annual heat demand of about 70 GWh, which is supported by the network's two plants, Galten and Farmen. Täby as a region is rapidly growing and there are grand plans to develop the area. Estimated market potential for a future district heating expansion in Täby is very high and as early as in 2007 Täby decided to invest in a large-scale expansion. In autumn 2009 Täby did a procurement process, known as the ?Täby initiative?, to find a partner that could implement those expansion plans. To secure a cheap basic production the partner also need to build a power plant at Hagby recycling center. Despite high interest during initial state of the process, only one procurement offer were received and Täby suspended the contract in March the following year.

Överföring av och beräkning med timmätta värden ? från MT2000 till Xpower

New technology makes it possible to remotely measure all consumers in a power network onan hourly basis and store the values in a database.This thesis work describes the conversion process between automatic meter reading systemMActor and calculation software Xpower.Then the possible differences between calculations of power networks using load curves incombination with a yearly estimate of consumption and calculations using hourly measuredvalues is examined.The result of the comparison shows that, for the power network under inspection, nosignificant difference could be noticed. This does not mean that calculations using hourlymeasured values would be unnecessary. I believe that in a near future calculations using hourmeasurements will be the primary choice for many power companies to whom technology isavailable.Also some basic calculations of fundamental power network parameters, such as power factorand loses, are presented using hourly measured distribution transformers in combinations withits hourly measured loads.The report is written in Swedish.

Lågtempererad fjärrvärme i Umeå

People in today?s society are becoming more and more aware of how important it is to use energy as efficiently as possible. This is clearly noticeable by an increase in home produced heat with e.g. solar panels or heat pumps heating systems. These changing customer demands forces district heating technology to be redesigned, which is why there is an ongoing research regarding the next generation of district heating - low temperature district heating (LTDH).

Relationsmarknadsföring : En fallstudie av reklambyråer

AbstractThe development of new economies from the industrial revolution to the information society of today has led to an increase in goods, services and information technology. It has also affected the way that organizations are formed and shown that organizations transform more and more into networks. This has left an impact on the concept of marketing and an increase in the handling of internal relations within companies. The marketing concept has developed from the 4P:s, price, place, product and promotion, to relations marketing as a new perspective.This study focuses on a description of relations marketing in medium - sized advertising agencies. The advertising business has a long history of close customer relations and advertising agencies strongly depend on new customers.

Distribution och försäljning av kvalitetsfuru : en fallstudie

The purpose of this study is to analyse how a distribution and sale-network for quality softwood lumber should be designed to fit sawmilling companies? business concepts, and at the same time satisfy customer needs regarding delivery time and quality aspects. This thesis work is a case study based on a sawmilling and retail company in Sweden. AB Karl Hedin is a private owned sawmilling company with 500 employees. The company?s turnover is 1500 million SEK, it includes 4 sawmills, 16 builders merchants stores and a packaging company.

Kommunikationslösningar i molnet : Examensarbete angående olika nätverkslösningar i WAN

Att koppla samman nätverk över geografiskt olika platser har blivit allt vanligare i dagens samhälle. Rapporten kommer belysa olika WAN-lösningar för att göra detta möjligt. De olika lösningar som kommer belysas i denna rapport är att hyra egen fiber, lager2-länk, MPLS och även VPN. Det kommer göras jämförelser mellan dessa lösningar när det gäller kostnad, säkerhet, hastighet och tillförlitlighet. Detta har gjorts med vetenskapliga artiklar och intervjuer men rapporten innefattar även en praktisk tillämpling i form av ett experiment..

"Ett artigt pennekrig" En biografisk studie av Gustaf Montgomerys nätverk och författarskap under en period av ideologisk förändring och nya roller för författare 1812-1842

Studies of networks, fields and of communicative circulations complement each other. This master thesis is a biographical study of an author and journalist, Gustaf Montgomery GM, his network in Sweden of the early 19th century, and a study of his authorship and literary career. The starting-point of the study is GM:s change of field from the conservative to the liberal in 1832. The aim is to give explanations to this change and to describe how the change in turn effected the network. The method used is critical of sources.

Hantering av QoS i Distribuerade MPEG-videosystem

With the advance in computer and network technologies, multimedia systems and Internet applications are becoming more popular. As broadband network is prevailing, more clients are able to watch streaming videos or to play multimedia data over the Internet in real-time. Consequently, there is an increasing demand in the Internet for streaming video systems. As the run-time environment of such applications tends to be dynamic, it is imperative to handle transient overloads effectively. The goal of this work is to develop an algorithm that would provide a robust and controlled behavior of the video system so that important data is delivered on time to the video clients.

VARN  Ett nätverksbaserat 2D-actionmultiplayerspel skrivet i Java.

VARN A network multiplayer 2D action game written in Java. All games that support any form of play across networks is in one way or another affected by the delay, or "ping", that occurs from the time it takes for information to travel over the wires. Not only does it take time, it varies depending on how far away the connected partner is and the current status of the network you are on. Through the years a lot of different methods have been developed to combat these delays. I have reviewed some of these methods and implemented a synchronization system in Java meant to be used in online action multiplayer games..

En digital kärlekshistoria

Kandidatarbetets syfte är att undersöka mötet mellan människa och medium genom att undersöka hur människor relaterar till och tolkar mötet med ett medium. Undersökningen tar sin utgångspunkt i flera tänkbara kunskapsfält, bland annat posthumanism, transhumanism, tolkningsvetenskap. Dessa kunskapsfält prövas sedan i en gestaltning för att avgöra om kunskapen är relevant i förhållande till vårt ärende..

"Snipp snap snut, nu tog tiden slut" : En analys av användares medvetenhet kring integritet på mobilapplikationer

This study focuses on the integrity of students at Uppsala University that has used the university?s network, UpUnet. We?ve studied their opinions with the use of questionnaires that cover questions related to privacy and awareness about logging of data traffic.The results showed that more students than our hypothesis suggested were unaware of the surveillance on the network, and the majority of these also had a negative opinion towards logging of data traffic. However, we found that there were several relations between how the students responded on our questionnaire, and we?ve presented these in the analysis chapter towards the end of the essay..

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