Sökning: "Torbjörn Nielsen"

Hittade 2 avhandlingar innehållade orden Torbjörn Nielsen.

1. 1. Electric arc-contact interaction in high current gasblast circuit breakers

   Författare :Torbjörn Nielsen; KTH; []
   Nyckelord :Electric arc; Contact evaporation; Near cathode region; Metal particles; CFD; Computational fluid dynamics; MHD; Magnetohydrodynamics;

   Sammanfattning : .... LÄS MER

3. 2. Dynamic Processes and Active Power Control of Hydropower Plants

   Författare :Weijia Yang; Per Norrlund; Torbjørn Kristian Nielsen; Uppsala universitet; []
   Nyckelord :Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

   Sammanfattning : Hydro-electricity plays an important role in the safe, stable and efficient operation of electric power systems. Frequency stability of power systems refers to the ability to maintain steady frequency following a severe system upset resulting in a significant imbalance between generation and load. LÄS MER