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Visar resultat 21 - 22 av 22 uppsatser som matchar ovanstående sökkriterier.

1. 21. Frequency Stability Analysis of the Nordic Power Systemwith New Hydropower Governor Settings

   Master-uppsats, KTH/Elektriska energisystem

   Författare :Xi Jiangnan; [2015]
   Nyckelord :;

   Sammanfattning : The Nordic power system is under continuous development. New productionsources and loads are installed at a high rate and old ones are taken out of operation.This development gradually alters the power system dynamics. LÄS MER

3. 22. Frequency Control : Optimal distribution of FCR-N in real-time

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Elektricitetslära

   Författare :Linda Ekmarker; [2014]
   Nyckelord :Frequency control; FCR-N; Hydropower; Optimisation; Turbine governor;

   Sammanfattning : Frequency control systems are used to keep the grid frequency at the nominal value of 50.00 Hz. Vattenfall employ hydropower plants for this purpose as they can easily adapt their production to counteract frequency deviations. LÄS MER