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5687 Uppsatser om Power quality - Sida 29 av 380
Laddningens påverkan på sprängskadeutbredningen
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey wasperformed. The voltages and currents have continuously been sampled in the incoming 10 kVsubstation HSP01 from April-August 2008. Power quality measurements were also performedin Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of theinduction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps tothe plant. The reason for the latter measurement was due to registered negative transients eachtime the motor was connected to the grid. The cause of the transients could be explained by thecoupling in the substation, the ageing of the motor which could result in damage of thebearings or resonance in the motor circuit which amplifies high frequency harmonics.
Mätning och undersökning av elkvalitén i elnätet på reningsverket GRYYAB, Göteborg
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Uppföljning av räckesreparationskostnader inom Vägverket Region Norr/Sydöst
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Ekonomiska konsekvenser för energisparande åtgärder vid ombyggnad. Upprustning av miljonprogrammet
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Implementation of a quality management system in food production
The aim of this study was to investigate how the process of implementing a quality management system for food safety was handled in four different food producing companies in Sweden. The aim was also to analyze what difficulties the companies face and the possibilities that arise when certified. Furthermore, the reason for implementation was discussed as well as the main expectations on the certificate. Implementing a quality management system is a good way of ensuring the quality and hygiene of the food production and it also increases the traceability of food products through the whole food chain. A food safety standard provides a method of preventing problems and crisis and it can also help to handle requirements from authorities, the market and others.
Perifert kärlsjuka patienters erfarenheter av vårdkvalitet i samband med dagkirurgisk behandling
The aim of this study was to describe peripheral vascular patients´experiences of quality of care in connection whith ambulatory care, and to identify if ambulatory treatment responded to patients´expectations..
Hälsorelaterad livskvalitet hos partner till personer med afasi : En undersökning baserad på hälsoenkäten SF-36 och semistrukturerade intervjuer
Around 30,000 people in Sweden suffer stroke every year, out of which about 12,000 end up with language difficulties, aphasia. Behind every person with aphasia there are significant others whose lives are also affected. Studies of how aphasia affects the health of these people are few. The overall aim of the present study was to examine how significant others of people with aphasia perceive their life situation, and how their quality of life is affected by the illness of their partner. Spouses of people with aphasia were contacted through aphasia groups and the Swedish Aphasia Association.
Den interna marknadsföringens påverkan på tjänstekvaliteten: en fallstudie av två säsongsbaserade hotell
The purpose of this thesis was to study how internal marketing affects service quality in the tourism industry. It was decided to conduct a case study on two hotels with summer seasonal employees. Pite Havsbad and Strand Hotell Borgholm were chosen as study objects. The case was based on interviews with the hotel manager at Pite Havsbad and the vice president at Strand Hotell Borgholm, who coordinates the internal marketing at the companies. The findings were that seasonal employees do not affect service quality much.
På vems villkor? : en studie om hur personer utan hem upplever socialtjänsten
The purpose of this paper is to study how people without home experience social services and how they experience their space of action when they meet social services. In order to answer these questions, a qualitative approach has been used. The empirical material consists of five interviews with people who have contact with social services because they are homeless. To support my analysis of the space of action for the persons being interviewed, I?ve used two theoretical perspectives, power analysis by Michel Foucault and Rational Choice.
Fruits of knowledge : a literature review of marketing strategies and mango production in Kenya
This report is a literature review that aims to describe marketing contexts for mango production in Kenya. The institutional conditions in the country are not well developed for marketing purposes, which causes many difficulties and problems for the society. In Kenya most mango producers are poor small-scale farmers with limited resources. Mango is a perishable commodity and to keep its value and quality it is essential to have the opportunity to sell the mangos in the right time. Inefficient and undeveloped infrastructure and marketing systems hinders the mangos to reach the market in time though, which causes large losses of produce.The Kenyan mango production has increased during the last decade but due to market losses for the producer, the small-scale farmers? profits have not improved.
Anläggningsmätning med moderna metoder. Från projektering till färdig anläggning
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Passivhusteknik i ett svenskt klimat - en byggnadsfysikalisk riskinventering och erfarenhetssammanställning av befintliga passivhusprojekt
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Den kollektiva missuppfattningen. En studie om missuppfattningar om färdmedelsalternativen bil och kollektivtrafik, för boende i Hjuvik
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Förhöjda havsnivåers påverkan på trafiksystemen. En analys av riskläget i Göteborgs innerstad
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.
Industriellt byggande på arbetsplatsen - En jämförelse mellan olika produktionsmetoder för trähus
On a request from the water sewage plant Gryaab in Gothenburg a Power quality survey was performed. The voltages and currents have continuously been sampled in the incoming 10 kV substation HSP01 from April-August 2008. Power quality measurements were also performed in Gryaabs other 10 kV substation HSP04 fed from HSP01 and at the terminals of the induction motor IN_PU4040 of 1.3 MW which controls one of the four large inflow pumps to the plant. The reason for the latter measurement was due to registered negative transients each time the motor was connected to the grid. The cause of the transients could be explained by the coupling in the substation, the ageing of the motor which could result in damage of the bearings or resonance in the motor circuit which amplifies high frequency harmonics.