Sökning: "Elin Luedtke"

Hittade 2 uppsatser innehållade orden Elin Luedtke.

  1. 1. Minimizing Transformer No-Load Losses at Hydropower Plants : A Study of Effects from Transformer Switch-Off During Stand-by Operation

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för elektroteknik

    Författare :Elin Luedtke; [2021]
    Nyckelord :step-up transformer; transformer switch-off; stand-by operation; idle operation; transformer winding; inrush current; fatigue stress; fatigue failure; S-N curve; transformer thermal cycling; thermal time constant; saving potential in hydropower; hydropower plant;

    Sammanfattning : Hydropower is the most important power balancing resource in the Swedish electrical power system, regulating the power supply to match the load. Consequently, several hydropower plants have periods of stand-by operation where the power production is absent but where several devices within a plant are still active. LÄS MER

  3. 2. DESIGN OCH KONSTRUKTION AV ÖVNINGSANLÄGGNING : Demonstrations- och testanläggning för aktörer på solcellsmarknaden

    Kandidat-uppsats, Uppsala universitet/Institutionen för fysik och astronomi

    Författare :Andrea Carlgren; Madeleine Stolpe; Emma Ekberg Berry; Amelia Oller Westerberg; Linnea Lindström; Elin Luedtke; [2018]
    Nyckelord :;

    Sammanfattning : Through contact with solar panel suppliers, a roof is dimensioned and built as a groundfor educational interactions for solar panel installers. Its construction consists of foursubsystems, where each system displays its own solar solution. LÄS MER