Sökning: "lab förberedelse"

Hittade 2 uppsatser innehållade orden lab förberedelse.

1. 1. Investigation of the effect of moisture in transformers on the aging of the solid insulation for dynamic rating applications

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Christos Stefanou; [2018]
   Nyckelord :Dynamic rating; dynamic transformer rating; moisture in transformers; aging of transformer insulation; cellulose aging; solid insulation aging; experiment.; Dynamisk last; dynamisk transformatorklassificering; fukt i transformatorer; åldrande av transformatorisolation; åldrande av cellulosa; åldrande av fast isolation; experiment.;

   Sammanfattning : In the present thesis an investigation is performed for the effect of moisture contenton the aging of the solid insulation for transformers that are dynamically loaded. Theinvestigation is based on a theoretical analysis and a model. LÄS MER

3. 2. Preparation for a Laboratory Exercise : the effects of writing a summary

   Uppsats för yrkesexamina på avancerad nivå, Institutionen för matematik, teknik och naturvetenskap

   Författare :Kristoffer Nordekvist; [2009]
   Nyckelord :Science education; pre-lab; learning outcome; secondary school;

   Sammanfattning : This degree project has studied how a changed preparation affected students' outcome of a laboratory exercise. Through use of cognitive load theory and sociocultural theory a guided writing of summary was designed. LÄS MER