• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 2
  • Tagged with
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Vėjo elektrinių parko prijungimo prie skirstomųjų elektros tinklų galimybių tyrimas / The Investigation of Possibilities to Connect the Wind Stations Park to Distribution Networks

Lekas, Bronislavas 03 September 2010 (has links)
Brangstant iškastiniam kurui, vėjo elektrinių ir jų parkų statymas ir prijungimas prie skirstomųjų elektros tinklų šiuo metu darosi labai aktuali tema. Lietuvoje vis plačiau, ne tik pajūryje, yra statomos ir prijungiamos vėjo elektrinės ir jų parkai. Mano darbo tikslas yra ištirti vėjo elektrinių parko prijungimo prie skirstomųjų elektros tinklų galimybes, kas įtakoja jų prijungimo galimybes pasirinktame skirstomojo elektros tinklo taške. Šiame darbe padariau programą-skaičiuoklę, pirminiam vėjo elektrinių ar jų parkų prijungimo galimybei prie skirstomojo elektros tinklo patikrinti. Darbe ištirtos 6 MW vėjo elektrinių parko prijungimo galimybės prie 35 kVir 10 kV tinklo oro linijų, esančių Pakruojo rajone. Apskaičiuoti tnklo kokybės parametrai, kai vėjo elektrinės dirba ir kai ne. Pateikiamos išvados apie tyrimo rezultatus ir tyrimo tęstinumą. / Nowadays fossils start costliness, wind stations and their parks building and connection to Distribution Networks in this time is very actual theme. Over and over broad, not only on the seashore, in Lithuania are builted and connected wind stations and their parks. The aim of my work is the investigation of possibilities to connect the wind stations park to distribution networks, what influence the connect possibilities in the chosen point of distribution networks. I did the programme to the primitive test of possibilities to connect wind stations and their parks to distribution networks in this work. I did the investigation of possibilities to connect 6 MW wind station park to 35 kV and 10 kV distribution networks in Pakruojis district. I calculated the parameters of networks quality, when wind stations park is working and when is stopped. I give conclusion about results and succession of this investigation.
2

Vėjo elektrinių parko informacinės sistemos prototipas / Wind farm information system prototype

Vaičiukynas, Evaldas 17 January 2006 (has links)
In the following Master’s degree research main information and communication aspects in wind power plant farm analyzed and demonstrated by constructing basic prototype. The wind energy market in Europe is growing and needs have arisen to develop standard-based information systems to support future expansion of wind energy in Lithuania. Introduction and first chapter overview the background for modeling such system. Requirements for data structures representing main measurements and information exchange inside and outside of the system are defined on the base of IEC 61400-25 standard “Wind Turbine Generator Systems - Part 25: Communications for monitoring and control of wind power plants”. Models, comprising such system are described and possible communication topologies enumerated. From several existing communication profiles, defined in above mentioned standard, SOAP / XML based web services for communication architecture are chosen and prototype built. Article based on this work was written together with coauthor professor A. Nemura and presented in international KTU conference “Automation and Control technologies – 2005���� and LEI conference “Application of information and management technologies in electricity energetics“. The purpose of article is to form and refine the wind farm information system problem introducing IEC 61400-25 standard.

Page generated in 0.037 seconds