Sökning: "Fredrik Raak"

Hittade 2 uppsatser innehållade orden Fredrik Raak.

1. 1. Investigation of Power Grid Islanding Based on Nonlinear Koopman Modes

   Uppsats för yrkesexamina på avancerad nivå, KTH/Elektriska energisystem

   Författare :Fredrik Raak; [2013]
   Nyckelord :controlled islanding; grid partitioning; power system monitoring; Koopman mode analysis; spectral graph theory;

   Sammanfattning : To view the electricity supply in our society as just sockets mountedin our walls with a constant voltage output is far from the truth. Inreality, the power system supplying the electricity or the grid, is themost complex man-made dynamical system there is. It demands severecontrol and safety measures to ensure a reliable supply of electric power. LÄS MER

3. 2. Building Automation

   Kandidat-uppsats, KTH/Skolan för elektro- och systemteknik (EES)

   Författare :Bashar Mengana; Fredrik Raak; [2011]
   Nyckelord :;

   Sammanfattning : .... LÄS MER