This report is a study in voltagelevel in connection with regeneration of brake energy from the tramtype M31 in Gothenburg.In the act of braking, the tram M31 uses electrical braking where the electrical motors generates energy and if possible send it back to the overheadline, where other trams in the nearby can use this regenerated energy for its own driving force. In cases where no other energyconsumers are located in the same section, there is a resistance witch task is to convert this energy into heat. The regulation of this resistance appears to cause an increase in the voltagelevel into far too high levels.Investigations of the trams regulationequipment and its construction have been done. Further have measurements on the overheadline been performed in order to map the voltagevariations during a longer period of time.The result have been showing that the voltagelevel during regeneration often is as high as 880V-920V, more extreme values have not been observed in a large scale. The values are especially high compared to the nominal voltagelevel.

Parallel imports often lead to lowered prices and is therefore regarded as good from a consumer's point of view. From a business'point of view this is not always the case. When do parallel imports occur? Is it possible to prevent parallel imports to protect an introduction of a product in another member state? The purpose of this thesis is to present situations where parallel imports occur and to see if it is compatible with competition law to prevent parallel imports. Furthermore I will analyse the future development after the group exemption of vertical restraints enters into force in June 2000.

SAMMANFATTNINGBakgrundVid ett cancerbesked ges mycket information som kan ge psykologiska reaktioner hos patienten.  Att ge individuellt stöd, information och ett bra bemötande är viktigt för att patienten ska känna sig trygga och delaktig i sin vård.SyfteAtt utvärdera bröstcancerpatientens upplevelse av information, stöd, bemötande och delaktighet i samband med sitt återbesök hos kontaktsjuksköterska efter operation på Bröstmottagning.MetodEn tvärsnittsstudie med kvantitativ ansats då huvudfokus var patientens upplevelse av information, stöd, bemötande och delaktighet. Patienterna fick svara på en elektronisk enkät direkt efter sitt återbesök på mottagningen. Totalt svarade 48 patienter på enkäten.Resultat Resultatet visade en mycket hög nöjdhetsgrad bland bröstcancerpatienter vad gäller information, stöd, bemötande och delaktighet i samband med återbesöket hos kontaktsjuksköterskan efter bröstkirurgi. Äldre kvinnor var mer nöjda med informationen jämfört med de yngre.

Bakgrund: Palliativ hemsjukvård är en växande vårdform i Sverige som ställer höga krav på involveringen av anhöriga. De anhöriga inom palliativ hemsjukvård befinner sig i en utsatt och omvälvande situation där vårdbördan kan upplevas mycket stor. Stödet från vården har en stor del i hur de anhöriga upplever situationen och ifall den sjuke kan erhålla vård i sitt hem. För att vården ska kunna stödja de anhöriga på ett lämpligt sätt krävs insyn i hur de anhöriga upplever sin situation.Syfte: Att beskriva anhörigas upplevelse av att ha en svårt sjuk närstående som vårdas med palliativ hemsjukvård.Metod: En litteraturstudie baserad på åtta kvalitativa studier publicerade mellan år 2002-2010. Använda databaser är CINAHL, PubMed, Academic Search Premier samt Nursing & Allied Health Source.

Transmission of reactive power is well known to cause active power losses. Thus, newcomponents who can help minimizing these expensive reactive power flows are ofgreat interest to the power distribution companies. ABB Corporate Research hasdeveloped the first electronic power breaker. One possible application for thisbreaker is transient-free switching of capacitor banks. This could prove a usefuldistribution voltage complement to the switch-sync technique, mainly applied to transmissionvoltage level.

I denna rapport har det utförts två fallstudier från två olika vindkraftsanläggningar och med hjälp av en utarbetad modell har livscykelkostnaderna jämförts för de två fallstudierna.Resultatet visade att livscykelkostnaden per producerad kWh sjunker allteftersom den installerade effekten blir högre.Kostnadsmodellen som utarbetats och tillämpats för resultaten har visat sig ha hög verifierbarhet då resultaten har varit jämförbara med litterära studier..

Why has some cyber-attacks been more successful than others? There has been in the near past examples of cyber-attacks used with different purposes. How do we understand these chosen targets and what result the attack accomplished?Research has discussed similarities between aviation warfare and cyber warfare, and how the first could explain what is happening in cyber warfare now. There is also opposing opinions whether cyber warfare should be seen as a method to alone force a will on your opponent or if cyber warfare should mere be supporting other military means.

This master thesis has been performed at Solvina in Gothenburg for Skellefteå Kraftand Vattenfall Eldistribution. The aim of it is to investigate the consequences of theinstallation of a wind power plant on the mountain Uljabuouda in the vicinity ofArjeplog. Especially the impacts on voltage and transient stability are examined.Furthermore, the amount of extra strain on the voltage regulation equipment and theneeds for increased regulation capabilities are looked into.The wind power plant is planned to be built by Skellefteå Kraft and connected to a130 kV grid owned by Vattenfall Eldistribution. The work comprehends the followingmain parts:- Theoretical studies aimed at wind turbines and power system stability issues.- Modelling of the type of wind turbines assumed to be built on Uljabuouda.- Simulations of different operation cases and analysis of the simulation results.The results from the simulations show that, as far as voltage stability and extraworkload on tap-changers are concerned, the wind power plant does not, in anysignificant manner, worsen the present conditions. The problem of overloading theline between Arvidsjaur and Vargfors is also minor.

This report is a study in voltagelevel in connection with regeneration of brake energy from the tramtype M31 in Gothenburg.In the act of braking, the tram M31 uses electrical braking where the electrical motors generates energy and if possible send it back to the overheadline, where other trams in the nearby can use this regenerated energy for its own driving force. In cases where no other energyconsumers are located in the same section, there is a resistance witch task is to convert this energy into heat. The regulation of this resistance appears to cause an increase in the voltagelevel into far too high levels.Investigations of the trams regulationequipment and its construction have been done. Further have measurements on the overheadline been performed in order to map the voltagevariations during a longer period of time.The result have been showing that the voltagelevel during regeneration often is as high as 880V-920V, more extreme values have not been observed in a large scale. The values are especially high compared to the nominal voltagelevel.

This report is a study in voltagelevel in connection with regeneration of brake energy from the tramtype M31 in Gothenburg.In the act of braking, the tram M31 uses electrical braking where the electrical motors generates energy and if possible send it back to the overheadline, where other trams in the nearby can use this regenerated energy for its own driving force. In cases where no other energyconsumers are located in the same section, there is a resistance witch task is to convert this energy into heat. The regulation of this resistance appears to cause an increase in the voltagelevel into far too high levels.Investigations of the trams regulationequipment and its construction have been done. Further have measurements on the overheadline been performed in order to map the voltagevariations during a longer period of time.The result have been showing that the voltagelevel during regeneration often is as high as 880V-920V, more extreme values have not been observed in a large scale. The values are especially high compared to the nominal voltagelevel.

Bakgrund: Allt fler kvinnor överlever bröstcancer vilket är ett resultat av förbättrade metoder för diagnostik, allmän mammografi samt mer effektiva behandlingsmetoder. Gruppen bröstcanceröverlevare har synliggjorts mycket tack vare kampanjen kring Rosa Bandet. Ofta drabbas kvinnor som överlevt av både fysiska och psykosociala problem relaterat till sin bröstcancer. Författarna ville beskriva de existentiella upplevelserna som kvinnorna skulle kunna ha relaterat till sin överlevnad.Syfte: Syftet var att beskriva existentiella upplevelser hos kvinnor som överlevt bröstcancer.Metod: En litteraturöversikt baserad på elva vetenskapliga artiklar med kvalitativ ansats, relevanta för syftet. Databaser som användes vid artikelsökning var PubMed och ProQuest Nursing & Allied Health Source.Resultat: Resultatet presenteras i fyra olika teman och två underteman.

In this essay I have tried to present the ideas and thoughts of the Swedish author Rolf Edberg (1912-1997), journalist, ambassador and county governor. By many regarded as an environment philosopher and the introducer of deep ecology into Sweden. The essay emphasizes Edberg as a modern renaissance man of important knowledge with a rhetorical force to present and generalize the problems the planet Earth is meeting. The paper compares him with Henry Thoreau but also finds a close but perhaps unintended relationship with the German philosopher Ernst Haeckel although Edberg himself claimed to be a Darwinist at heart.The essay stresses on four characteristic features in his authorship namely 1) a holistic view of nature and man, rejecting dualism for monism; 2) a cosmic relationship within the whole universe and also between organic and inorganic matter; 3) the planet Earth is in a crisis due to an uneven and unjust distribution of the resources of the Earth, the nuclear weapon threat and the overpopulation; 4) the evolution and not the religion has the answer to our existential questions..

This report is a specialization in Software defined networking. SDN really comes to revolutionize the industry and it?s under constant development. But is the technology ready to be launched into operation yet? The report would initially involve a number of problems that today's network technology is facing.

Denna rapport handlar om hur utbildningsfilmer skapas. Syftet med rapporten är att förklara hur arbetet gjorts med att skapa utbildningsfilmer. Hur det går till, steg för steg, när en utbildningsfilm skapas och vad som är viktigt att tänka på när man till exempel filmar eller redigerar. Det kommer att finnas bilder med förklarade text så att det ska vara lätt att förstå samt få en inblick om hur det kan se ut. En utbildningsfilm kan exempelvis följa en föreläsning eller beskriva en operation och den används till att utbilda studenter.

Mechanical scaling is one of the most complex operations of all in the mining process. The operators are using both hearing, sight and feel to read the rock and to know where to scale and where to leave. They say they go on gut feeling in great extent, something that comes with experience. The scaling machine is placed into the edge of unsecured and newly blasted rock to hammer off the blocks that has become loose after the blast, but not enough to fall down. It goes without sayingthat it is a risky job.