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Detta examensarbete utfördes på CG Drives & Automation (Emotron). Företaget satsar på att utveckla produkter och lösningar för att styra och övervaka elektriska motorer. En av deras mer populära produkter är den effektiva och energisparande frekvensomriktaren. Dess positiva egenskaper kommer även med en negativ effekt, nämligen en ökning av THD nivån i systemet. Med denna ökning uppkommer skadThis thesis was conducted on CG Drives & Automation (Emotron), a company that invests in developing products and solutions to control and monitor electrical motors. One of their more popular product is the effective and energy saving Variable Frequency Drive (VFD). However, the usage of an VFD leads to higher THD levels in the system, which then creates harmful harmonics. The quality of the gr

The term Middle-income Trap (MIT) is relatively new, originating thirteen years ago, but has since generated significant debate. It is used by politicians to channel national reforms and has given rise to a vast amount of research about growth slowdowns in middle-income countries (MICs). The term describes the higher prevalence of economic growth slowdowns in MICs, which impedes their transition i

This study examines discourses about hormonal contraceptives from the viewpoint of researchers and professionals within the health care system, and from users of the contraceptives. Among other things, I highlight how the representations of the health care professionals concerning side effects from hormonal contraceptives differ from the experiences had by the users themselves. I explore the cultu

Abstract Zoos have been gaining increased popularity from tourists in recent years, as many people feel distant from wildlife and thus are eager to experience closeness with animals. The aim of this paper is to analyse tourist experiences of modern zoo tourism and the research question asked is “What types of tourist experiences are tourists gaining when visiting a modern zoo?” To achieve this ai

Posner Cueing Task is an experiment to investigate the eect dierent type of stimulis could have on the visual attention. This master thesis aimed to implement a Posner Cueing Task in an Argumented Reality using a integrated eye tracker. The thesis were divided into two distinct parts. One part to write code for synchronisation and communication between Microsoft Hololens and Tobii eye tracker. One

The xantha phenotype of barley is observable as a yellow plant and caused by an inability to correctly synthesize chlorophyll. Chlorophyll is a tetrapyrrolic pigment containing magnesium, and is integral for photosynthesis in plants. The phenotype can be caused by a number of mutations, and through methods like linkage mapping and sequencing it is possible to find the causative genotype. In this p

Today plastic packaging is used in a wide array of industries including the pharmaceutical industry. Nevertheless, the increasing amount of plastic waste from packaging is generating great amount of contaminants that do not only damage the environment, but as well the society and the economy as a whole. Whilst industries of fast consumer goods, such as the food and fashion industry enjoy vast rese

Three clan-D α-galactosidases, BoGal36A (from Bacteroides ovatus), AnGal36A (from Aspergillus niger) from GH-family 36 and CtGal27A (from Cyamopsis tetragonoloba) from GH27, were studied for their transglycosylaton ability. All the investigated α-galactosidases were shown capable of catalyzing transglycosylation reactions with 4-Nitrophenyl-α-D-galactopyranoside (pNPαGal) as donor and methanol, pr

Studien är en diskursanalys av statens språkbruk i rättsfallet mellan samebyn Girjas och svenska staten i Högsta domstolen. Girjas stämde staten år 2009 i Gäl-livare tingsrätt och ärendet avslutades i Högsta domstolen i Stockholm år 2020. Girjas fick ensamrätt på jakt och fiske på samebyns område, vilket gör att de lättare kan förvalta rennäringen i samband med jakten och fisket. Sverige har bliviThis study analyses the discourse used by the Swedish state in the trial between the Saami village of Girjas and the Swedish state in the Swedish Supreme court. Girjas sued the State for the first time in 2009, and then took the case to the su-preme court in 2020. The people of Girjas won the hunting and fishing rights on the land in question thanks to the concept of prescription from time immemor

Winston Churchill once said “democracy is the worst form of government except for all those other forms that have been tried from time to time”. Can this sentence be related to economic growth and development? This thesis analyzes the economic outcomes of the two main political regimes (Democracy and Dictatorship) in the developing world and discovers that Churchill’s words cannot be applied for l

Studiens syfte var att undersöka om det fanns ett samband mellan anställningsotrygghet och upplevt psykiska välmående med det sociala samspelet mellan kollegor som en medierande effekt. Detta undersöktes genom en webbaserad enkät, där upplevt psykiskt välmående, anställningsotrygghet och det sociala samspelet mättes med konstruktestade formulär. Deltagarna (N=87) var anställda i livsmedelsbutiker The purpose of the study was to examine if there is a covariance between job insecurity and the experienced mental well-being with the factor social interaction between co-workers as a mediating effect. This was studied through a web survey where experienced mental well-being, social interaction and job insecurity was measured with construct validated surveys. The participants (N=87) were employee

Accounting for approximately 8% of global CO2 emissions, the cement industry is one of the greatest contributors to climate change, despite the lack of focus on this sector in popular discourse. Deep cuts in this sector are challenging to achieve due to necessitated alteration of material components and formulation of the traditional product in addressing non-energy related ‘process emissions’. Te

Proteoglycans are important macromolecules located on the human cell surfaces. They have many different and important roles in communication between cells. These roles are especially important for cancer development and the survival of tumor cells and these proteoglycans are, therefore, interesting to study. The proteoglycans are made up of a protein core to which glycosaminoglycan chains are boun

The topic of energy poverty has recently gained prominence amongst researchers and academia in Taiwan within the context of rising energy prices and low emission energy transitions. Social welfare organizations (SWOs) that provide 24-hour residence and care for vulnerable populations, such as the elderly and disabled, highly depend on various energy services and are likely to be significantly affe

Urbanisering med växande och tätare städer i kombination med klimatförändring som förväntas kunna ge extremare väder kräver ett smart markanvändande där flera funktioner kan uppfyllas på samma yta. Ett exempel på en multifunktionell anläggning är skelettjordskonstruktioner som har en bärförmåga som hanterar ovanliggande laster, skapar gynnsamma förhållanden för träd och hanterar dagvatten med reniUrbanization with growing and denser cities in combination with climate change that is expected to produce more extreme weather requires a smart land use where several functions can be fulfilled on the same surface. An example of a multifunctional facility is structural soil that have a bearing capacity to handle loads, create favorable conditions for trees and handle stormwater with purification

Nigritella miniata is an alpine orchid species disjunctly endemic to the Eastern Alps and the Southeastern Carpathians. It is thought to have arisen only once through a hybridisation event between now extinct ancestors. Questions of interest are whether N. miniata survived in few or many isolated refugia in the Eastern Alps during the Last Glacial Maximum (LGM), and their relationship with the pop

Uppsatsen undersöker IKEA:s hållbarhetsstrategi från 2018 med syftet att utforska vilket ansvar som IKEA tar eller skulle kunna ta i relation till mänskliga rättigheter och hållbarhet. IKEA:s hållbarhetsstrategi är förankrad i Agenda 2030 vilket är en internationell agenda för globala mål för hållbar utveckling. Genom en innehållsanalys vilken skapades utifrån Martha C. Nussbaums teori om kapacite

Studien visar att underprestation för börsnoteringar inte förekommer. Vid ett justerat resultat förekommer underprestation för börsnoteringar. Studien visar även att nyemissioner underpresterar både för ett ojusterat och ett justerat resultat.The study shows that underperformance for IPOs does not occur. Under an adjusted result, there is underperformance for IPOs. The study also shows that new issues underperform both for an unadjusted and an adjusted result.

In the industry simulation models are commonly used in system development. These models can become complicated in order to capture the physical behaviour of the underlying dynamical system. A high-fidelity representation, which can result in long simulation times, is in some settings not strictly required. A method for overall model fidelity reduction is therefore of interest. In this thesis, two