Search for dissertations about: "pfc"

Showing result 1 - 5 of 46 swedish dissertations containing the word pfc.

  1. 1. Single Phase Active Power Factor Correction Converters - Methods for Optimizing EMI, Performance and Costs

    Author : Supratim Basu; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Antenna Factor; Diode Recovery Time; Harmonic currents; EMI; Quasi Park; Snap Factor; PFC;

    Abstract : In this thesis, front-end solutions with single-phase power factor correction (PFC) capability are studied. The reduction of current harmonics using various PFC techniques is investigated and related to the EN 61000-3-2 standard. READ MORE

  2. 2. Material migration in tokamaks: Studies of deposition processes and characterisation of dust particles

    Author : Armin Weckmann; Marek Rubel; Per Petersson; Daniel Primetzhofer; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; tokamak; fusion; plasma; material migration; particle transport; TEXTOR; PWI; plasma-wall interaction; plasma facing components; PFC; PFM; plasma facing materials; ALT limiter; MoF6; tracer experiment; molybdenum hexafluoride; future energy source; fuel retention; deuterium retention;

    Abstract : Thermonuclear fusion may become an attractive future power source. The most promising of all fusion machine concepts is the tokamak. Despite decades of active research, still huge tasks remain before a fusion power plant can go online. One of these important tasks deals with the interaction between the fusion plasma and the reactor wall. READ MORE

  3. 3. Striving to be able and included : Expressions of sense of self in people with Alzheimer's disease

    Author : Ragnhild Hedman; Britt-Marie Ternestedt; Görel Hansebo; Ingrid Hellström; Astrid Norberg; Anna-Karin Edberg; Ersta Sköndal högskola; Karolinska Institutet; Karolinska Institutet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Agency; Alzheimer s disease; Communion; Early onset; Harré s social constructionist theory; Positioning; Research participation; Self; Support group; agency;

    Abstract : According to research applying a social constructionist perspective, the sense of self is not lost in people with Alzheimer’s disease (AD). It is, however, greatly influenced by the symptoms and by how they are treated by other people. READ MORE

  4. 4. A support group programme for family members : an intervention during ongoing palliative care

    Author : Anette Henriksson (Alvariza); Birgitta Andershed; Britt-Marie Ternestedt; Eva Benzein; Anna-Karin Edberg; Ersta Sköndal högskola; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Competence; Family members; Interventions; Palliative care; Preparedness; Rewards; Support groups; Vårdvetenskap;

    Abstract : Family members are central in providing care for patients with lifethreatening illness, but they often experience a lack of necessary preparation and knowledge, with a need for information and psychosocial support. The overall aim of this thesis was to investigate participant’s experiences as well as effects of a support group programme for family members of patients with life-threatening illness during ongoing palliative care. READ MORE

  5. 5. A person-centred approach to support family caregivers in specialised home care : The Carer Support Needs Assessment Tool Intervention

    Author : Maria Norinder; Anette Alvariza; Kristofer Årestedt; Lena Axelsson; Jonas Sandberg; Marie Cederschiöld högskola; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Family caregivers; Home care; Intervention; Nursing; Palliative care; Preparedness; Quality of life; Support; Människan i välfärdssamhället; Palliativ vård; The Individual in the Welfare Society; Palliative Care;

    Abstract : Family caregivers are crucial providers of support and care for patients with lifethreatening illness and many report unmet support needs. With the use of quantitative and qualitative methods this thesis aimed to evaluate the Carer Support Needs Assessment Tool (CSNAT) and explore experiences and potential effects of utilising the Carer Support Needs Assessment Tool Intervention (CSNAT-I) among family caregivers and registered nurses in the context of specialised home care. READ MORE