Essays about: "Protective System"

Showing result 1 - 5 of 115 essays containing the words Protective System.

  1. 1. Relay settings for frequency derivative protection against islanding : Optimizing RoCoF-Hysteresis and Delay for the Swedish power grid: An investigation of relevant values

    University essay from KTH/Hälsoinformatik och logistik

    Author : Ahmad Safari; [2023]
    Keywords : Islanding; unintentional islanding; distributed energy resources; main grid; RoCoF; hysteresis; delay; Ödrift; oavsiktlig ödrift; distribuerade energiresurser; stamnät; RoCoF; hysteres; fördröjning;

    Abstract : This report addresses the parameter settings for a protective relay designed to safeguard a 15 kW wind turbine located in Rimbo, Norrtälje municipality, against unintentional islanding. This type of situation arises when distributed energy resources continue to supply local loads, even if the main grid has been unintentionally disconnected. READ MORE

  2. 2. Testing of AblativeMaterials as a Protective Coating for Rocket Launch Pads

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Gioele Daka; [2023]
    Keywords : Ablative Materials; Protective Coating; Rocket Launchpad; Refractory Materials; Oxyacetylene Torch; Slug Calorimeter; Ablativa material; Skyddande beläggning; Raketstartplatta; eldfast material; acetylensyrebrännare; kopparkalorimeter;

    Abstract : As the space market grows, demand for sites to host rocket tests and to launch satellites to orbit is expected to increase. During these activities, the launch infrastructure needs to withstand the extreme thermal and mechanical loads associated with the exhaust of a rocket engine. READ MORE

  3. 3. Combining proprietary real-time Ethernet protocols with Time-Sensitive Networking for avionics : A simulation study in OMNeT++ with INET 4.4

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

    Author : Fredrik Ekstedt Karpers; [2023]
    Keywords : Ethernet; Time-sensitivenetworking; Real-timenetworks; IEEE802.1Q; Aeronautics; OMNeT ; Ethernet; Time-sensitive networking; Realtidsnätverk; IEEE 802.1Q; Aeronautik; OMNeT ;

    Abstract : Robust real-time communication is crucial in many safety-critical systems, such as air-crafts. One example of real-time communication within an aircraft is the Ethernet-based protocol called Proprietary Real-Time Ethernet (PRTE), used for sensor data and other hard real-time information exchange. READ MORE

  4. 4. Development of chitosan nanocomposite coatings for visible-light photocatalytic antiviral applications

    University essay from KTH/Tillämpad fysik

    Author : Michael Neuman; [2023]
    Keywords : Biopolymer; Chitosan; Coating; Nanocomposite; Photocatalytic; Zinc oxide; Antimicrobial; Antiviral; Coronavirus COVID-19 ; Biopolymer; Kitosan; Beläggning; Nanokomposit; Fotokatalytisk; Zinkoxid; Antimikrobiell; Antiviral; Coronavirus COVID-19 ;

    Abstract : During the global pandemic of coronavirus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak, the world was desperately searching for simpler yet more effective solutions to stop the spread of coronavirus (COVID-19). Since no one was prepared for the fast spread of such a contagious virus, there was a shortage of proper protective solutions to stop the spread. READ MORE

  5. 5. (Un)protected children? - Social rights of children with disabilities granted temporary protection in Sweden

    University essay from Lunds universitet/Juridiska institutionen; Lunds universitet/Juridiska fakulteten

    Author : Denis Karamyshev; [2023]
    Keywords : children; disability; social assistance; temporary protection; migration; human rights; public law; social law; EU law; Law and Political Science;

    Abstract : This thesis examines the legal landscape surrounding the social assistance provided to children with disabilities under temporary protection in Sweden. The aftermath of Russia’s invasion of Ukraine in 2022 prompted a significant influx of displaced individuals into the EU. The EU Temporary Protection Directive was activated for the first time. READ MORE