Sökning: "Underspänning"

Hittade 5 uppsatser innehållade ordet Underspänning.

  1. 1. Open-Circuit-Voltage hysteresis measurement and modelling of LiFePO4 Batteries : Master Thesis Report - 2023

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Guillaume Larrat; [2023]
    Nyckelord :Open-Circuit-Voltage OCV Hysteresis - Voltage relaxation - Galvanostatic Intermittent Titration Technique GITT - Hysteresis modelling; Öppenkretsspännings OCV hysteres - Spänningsrelaxation - Galvanostatisk intermittent titreringsteknik GITT - Hysteresmodellering;

    Sammanfattning : In a context of an expected increasing use of Lithium-ion batteries in the transportation sector, Volvo AB is developing its own solutions for large electric vehicles. It is then beneficial to reduce the costs, the energy demand and the raw materials demand by improving the battery systems’ performances. LÄS MER

  3. 2. Impact of gradual increase in electric vehicle chargers in low voltage grids

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för elektroteknik

    Författare :Viktor Burman Olsson; [2022]
    Nyckelord :;

    Sammanfattning : The presence of EV chargers in low voltage distribution grids increases through both public-usefacilities and at-home installations. EV charger grid impact studies are commonly focused onlarger installations such as fast-charging stations and charging pole arrays, or consider one or afew scenarios with respect to at-home EV charger amounts. LÄS MER

  4. 3. Techno-economic analysis of retrofitting existing fuel stations with DC fast chargers along with solar PV and energy storage with load flow analysis

    Master-uppsats, KTH/Energiteknik

    Författare :Nilanshu Ghosh; [2020]
    Nyckelord :Electric vehicle charging; DC fast chargers; Load flow analysis; EV charging stations; CIGRE LV networks; Elfordonsladdning; DC-laddare; Lastflödesanalys; EV-laddstationer; CIGRE LV-nätverk;

    Sammanfattning : The increasing number of electric vehicles (EVs) in the transport sector has rendered the conventional fuel-based vehicles obsolete along with the fuel filling stations. With the growth in EVs, there has been an increase in the public charging infrastructure with fast charging equipment being used to charge the EVs in least possible time and also address the issue of ‘range anxiety’ among the EV owners. LÄS MER

  5. 4. Pre-study and system design of a mobile platform simulator system

    M1-uppsats, KTH/Hälsoinformatik och logistik

    Författare :Luis Katewa; [2018]
    Nyckelord :Automatic voltage regulator; control systems; synchronous generator; gas turbines; PID control; simulator; Automatisk spänningsregulator; styrsystem; synkrongenerator; gasturbiner; PID-kontroll; simulator;

    Sammanfattning : There are many ways to produce energy, using e.g. gas or hydro turbines. To guarantee a stable power output, it is important to consider components that could control and adjust the output power automatically. LÄS MER

  7. 5. Dimensionering av två olika typer av träbroar

    Kandidat-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknik

    Författare :Tomas Bodin; [2013]
    Nyckelord :Träbroar; Underspänning;

    Sammanfattning : I denna rapport dimensioneras två olika träbroar efter Eurokoderna. En med underspänning och en utan. Syftet var att jämföra konstruktionstyperna. Hjälpmedel för att åstadkomma detta var beräkningsprogrammet Rstab och Mathcad. LÄS MER