Sökning: "train conductor"
Hittade 4 uppsatser innehållade orden train conductor.
1. Är pendeltågens stopp för långa : - En studie av Stockholms pendeltågs uppehållstider .
Kandidat-uppsats, KTH/TransportplaneringSammanfattning : 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. Feldetektering i återgångkablar
Kandidat-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronikSammanfattning : 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. Feldetektering i återgångskablar
Kandidat-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronikSammanfattning : 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. 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)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