Search for dissertations about: "Weijia Yang"

Found 2 swedish dissertations containing the words Weijia Yang.

  1. 1. Hydropower plants and power systems Dynamic processes and control for stable and efficient operation

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Weijia Yang; Uppsala universitet.; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : As the largest global renewable source, hydropower shoulders a large portion of the regulation duty in many power systems. New challenges are emerging from variable renewable energy (VRE) sources, the increasing scale and complexity of hydropower plants (HPPs) and power grid. READ MORE

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

    University dissertation from Uppsala : Institutionen för teknikvetenskaper; Elektricitetslära

    Author : Weijia Yang; Uppsala universitet.; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Abstract : 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. READ MORE