Sökning: "individual substation"

Visar resultat 1 - 5 av 7 uppsatser innehållade orden individual substation.

  1. 1. Återskapande och validering av konfiguration för kommunikationsstandarden IEC 61850 i fördelarstationer : Recreation and Validation of Configuration for the IEC 61850 Communication Standard in Distribution Substations

    M1-uppsats, KTH/Hälsoinformatik och logistik

    Författare :Felix Lennartsson; [2023]
    Nyckelord :IEC 61850; IEC 60870–5; Substation Configuration Language; Electric Power Communication and Control; Communication Systems; Remote Terminal Unit; Protection Relays; IEC 61850; IEC 60870–5; substation configuration language; styrning av elkraftsystem; kommunikationssystem; remote terminal unit; reläskydd;

    Sammanfattning : I en fördelarstation i Ellevios elnät i Stockholm har en viktig konfigurationsfil försvunnit. Filen används för att beskriva styr- och kommunikationssystemet för övervakning och fjärrmanövrering av stationen från en driftcentral. Dessutom behöver operativsystemet på en enhet i kommunikationssystemet uppdateras. LÄS MER

  3. 2. Investigating maintenance costs using response feature analysis

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för matematik och matematisk statistik

    Författare :Linus Hansson; [2022]
    Nyckelord :Response feature analysis; longitudinal data; maintenance costs; Response feature analysis; longitudinell data; underhållskostnader;

    Sammanfattning : Svenska Kraftnät (Svk) is responsible for ensuring that Sweden has a safe, sustainable, and cost-effective transmission system for electricity. In an effort to reduce costs, Svk has participated in a study where it has been determined that there are mostly costs for common facilities that stand out cost-wise. LÄS MER

  4. 3. Heating Energy Performance & LCC Analysis on Renovation Proposals of a Multi-Family Apartment Cluster

    Master-uppsats, Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Yinxin Liu; Stevson Sonny Widjaja; [2020]
    Nyckelord :Building energy consumption; building renovation; building envelop; heat pump; individual substation; life cycle cost; Technology and Engineering;

    Sammanfattning : The study was carried out to assess the energy performance of the buildings in a cluster located in Lund. The buildings were the projects of million homes program, built in the 1960s, and are in great need of renovation. Five retrofit techniques were proposed in the study. LÄS MER

  5. 4. Statistical Modelling of Individual Substations in a District Heating System

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Simon Ingvarsson; [2018]
    Nyckelord :District Heating; Substation; Time Series Analysis; Statistical Model; ARMA; SARIMA; SARIMAX; Technology and Engineering;

    Sammanfattning : In the rise of digitalization, new possibilities are being discovered for district heating in areas like demand side management and fault detection. For these purposes it is necessary to have reliable models describing the substations. LÄS MER

  7. 5. Theoretical optimization of solar electricity using a DC-microgrid

    Uppsats för yrkesexamina på grundnivå, Lunds universitet/Avdelningen för Byggnadsfysik

    Författare :Manuela Stierna Fernandez; [2018]
    Nyckelord :Technology and Engineering;

    Sammanfattning : This master thesis contributed to a project financed by the Swedish Energy Agency and managed by the housing company Eksta AB in collaboration with the consulting Company WSP. The main aim of this master thesis was to perform a theoretical optimization on the usage of own used solar electricity by transferring the surplus PV between buildings in a demonstration area in a DC-microgrid. LÄS MER