Sökning: "train conductor"

Hittade 4 uppsatser innehållade orden train conductor.

  1. 1. Är pendeltågens stopp för långa : - En studie av Stockholms pendeltågs uppehållstider .

    Kandidat-uppsats, KTH/Transportplanering

    Författare :JONAS KENNERÖ; [2023]
    Nyckelord :: dwell time; commuter trains; Stockholm Odenplan; Årstaberg; platform doors; train conductor; delays; short trains; rush hour; behavior of travelers; observational study; linear regression.;

    Sammanfattning : An important aspect during the planning of commuter trains is how long they will be waiting at the platform. All travelers must be able to board and get off the train in time while the process cannot take too long. LÄS MER

  2. 2. Feldetektering i återgångkablar

    Kandidat-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Erik Asp; [2021]
    Nyckelord :Feldetektering;

    Sammanfattning : The purpose of ths report is to shed light on the problems surrounding error detection in returncables, specifically in connection with tunnels. In Sweden, among other things, has chosen to usea BT system with a suction transformer and a dedicated return conductor to reduce interferencesuch as occurs on telecommunications and signal cables along the track. LÄS MER

  3. 3. Feldetektering i återgångskablar

    Kandidat-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Erik Asp; [2021]
    Nyckelord :Feldetektering; BT-system; järnväg; sugtransformator;

    Sammanfattning : The purpose of ths report is to shed light on the problems surrounding error detection in returncables, specifically in connection with tunnels. In Sweden, among other things, has chosen to usea BT system with a suction transformer and a dedicated return conductor to reduce interferencesuch as occurs on telecommunications and signal cables along the track. LÄS MER

  4. 4. Methods to identify broken neutral fault in LV distribution grids by using existing smart meters infrastructure

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

    Författare :Christoforos Menos-Aikateriniadis; [2019]
    Nyckelord :;

    Sammanfattning : The vast majority of Swedish utility network customers for nearly a decade has been supported by Advanced Metering Management (AMM) systems, including smart meters. Vattenfall´s modern smart meters enable a new level of monitoring for LV networks and improved MV network supervision. LÄS MER