Search for dissertations about: "Power system distribution"

Showing result 21 - 25 of 388 swedish dissertations containing the words Power system distribution.

  1. 21. Power Electronics for Mitigation of Voltage Sags and Improved Control of AC Power Systems

    Author : Marcio Magalhães de Oliveira; KTH; []
    Keywords : power electronics; power quality; voltage sags; voltage-source converters; Custom Power; FACTS; real-time simulations; solid-state devices;

    Abstract : The thesis deals with the application of compensators andswitches based on power electronics in AC transmission anddistribution systems. The objective of the studieddevices/equipment is the power flow and voltage control intransmission systems and the mitigation of voltage sags andmomentary interruptions to critical loads in distributionsystems. READ MORE

  2. 22. Wind Power in Areas with Limited Export Capability

    Author : Julija Matevosyan; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wind power; transmission capacity; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik; Manufacturing engineering and work sciences; Produktion och arbetsvetenskap;

    Abstract : During the last two decades, increase in electricity demand and environmental concern resulted in fast growth of power production from renewable sources. Wind power is one of the most efficient alternatives. READ MORE

  3. 23. Variability and variation management in a renewable electricity system -large-scale wind- and solar power deployment in Europe

    Author : Lina Reichenberg; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; marginal cost of electricity; VRE; variability smoothing; solar power; power systems; renewable energy; wind power; energy systems modelling;

    Abstract : The large-scale deployment of wind and solar power poses challenges to the electricity system by introducing variability on the generation side. To handle these variations, variation management strategies can be employed to ensure that generation meets demand. READ MORE

  4. 24. System Studies and Simulations of Distributed Photovoltaics in Sweden

    Author : Joakim Widén; Ewa Wäckelgård; Brian Norton; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Photovoltaics; Solar energy; Distributed generation; Load modelling; Time-use data; Markov chain; Power flow; Power system; Engineering physics; Teknisk fysik; Teknisk fysik; Engineering Science;

    Abstract : Grid-connected photovoltaic (PV) capacity is increasing worldwide, mainly due to extensive subsidy schemes for renewable electricity generation. A majority of newly installed systems are distributed small-scale systems located in distribution grids, often at residential customers. READ MORE

  5. 25. Towards Intelligent Distribution Systems: Solutions for Congestion Forecast and Dynamic State Estimation Based Protection

    Author : Ankur Srivastava; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; future-readiness; renewables.; future distribution systems; distribution systems protection; distribution system operator; photovoltaics; probabilistic power flow; Congestion forecast; dynamic state estimation;

    Abstract : The electrical distribution systems are undergoing drastic changes such as increasing penetration level of distributed renewable energy sources, energy storage, electrification of energy-efficient loads such as heat pumps and electric vehicles, etc., since the last decade, and more changes are expected in the future. READ MORE