Essays about: "DC breaker"

Showing result 1 - 5 of 8 essays containing the words DC breaker.

  1. 1. Thermal Modeling and Simulationwith High Voltage Solid StateRelays for Battery DisconnectionApplications : The potential of replacing mechanical contactors with semiconductors

    University essay from Uppsala universitet/Elektricitetslära

    Author : David Radisic; Johan Mårtensson; [2023]
    Keywords : SSR; SSCB; SiC MOSFET; BEV; Pre-charge; Solid-state relay; Solid-state circuit breaker; Electric vehicles; DC fast-charge; Simulink; BDU;

    Abstract : The swift shift of the automotive industry towards electrification is primarily propelled by technological advancements in battery technology. To stay competitive and meet the new demands of the industry, there is a crucial need for novel ideas and innovation. READ MORE

  3. 2. Design and Evaluation of Heavy Electric Vehicle DC Charging Overcurrent Protection

    University essay from Högskolan Väst/Institutionen för ingenjörsvetenskap

    Author : Daniel Buvarp; [2022]
    Keywords : DC charging; overcurrent protection; circuit breaker; simulation; semiconductor;

    Abstract : The vehicle industry must reduce emissions to lessen their environmental impact. Using electric motors for propulsion and batteries for energy storage decreases the pollution and greenhouse gases emitted by heavy commercial vehicles such as trucks and buses. READ MORE

  4. 3. Parameter Study of Arc Squeezing DC Breaker : The impact of the geometry on counter force, pressure, and arc voltage

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Johanna Olsson; [2022]
    Keywords : Arc squeezing; DC breaker; Polymer ablation; Pressure measurement; Ljusbågssläckning; DC brytare; Polymerablation; Tryckmätning;

    Abstract : The sustainable future in our already electrified world includes solar power generation, battery storage, and electric vehicles all which requires DC systems. DC breakers play a key role in operation and protection within the DC system. READ MORE

  5. 4. Protection of HVDC Grids Against Blackouts (Simulation)

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Amal Al-Ammari; Dinah Atchan; [2021]
    Keywords : High Voltage Direct Current HVDC ; Voltage derivative dv=dt algorithm; Traveling wave algorithm; PSCAD simulation; Multi-terminal grid; Fault detection; Threshold value; Offshore HVDC; DC breaker; Voltage collapse;

    Abstract : In the search for green energy to combat climatechange, a shift from conventional energy sources such as coal,oil, and nuclear towards Renewable Energy Sources (RES) isneeded. This shift poses a threat to the stability of the powergrids as RES do not contribute with rotating mass in the system. READ MORE

  6. 5. Modelling & Design of a Prototype DC/DC Converter for Trip Coil Applications

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Georgios Apostolou; [2020]
    Keywords : ;

    Abstract : High voltage circuit breaker testing is a major part in substation test industry. The minimum trip voltage test is one of the standard circuit breaker tests performed. READ MORE