Sökning: "electromagnetic emissions"

Visar resultat 21 - 25 av 28 uppsatser innehållade orden electromagnetic emissions.

  1. 21. Utveckling av mottagare för induktiv laddning

    M1-uppsats, Karlstads universitet/Fakulteten för teknik- och naturvetenskap

    Författare :Dennis Johansson; [2015]
    Nyckelord :development; wireless; inductive; charging; receiver; qi; emc; electronics; utveckling; induktiv; trådlös; laddning; mottagare; qi; emc; elektronik;

    Sammanfattning : Detta examensarbete handlar om trådlös batteriladdning. Arbetet har utförts genom Jörgensen Industrielektronik AB, ett företag som specialiserat sig på kundanpassade elektroniklösningar. Företaget utvecklade en ny produkt, där det skulle finnas som tillval att den kunde laddas trådlöst. LÄS MER

  3. 22. 3D High Frequency Modelling of Motor Converter and Cables in Propulsion Systems

    Uppsats för yrkesexamina på avancerad nivå, KTH/Elektroteknisk teori och konstruktion

    Författare :NJIOMOUO STEPHANE YANNICK; [2014]
    Nyckelord :;

    Sammanfattning : The use of the power converters in railway traction systems introduces high frequency electromagnetic interference (EMI) in the propulsion system, which causes electromagnetic compatibility (EMC) problems. These high frequency phenomena come from fast variations of current and voltage during the switching operations in the power converter. LÄS MER

  4. 23. An electrified road future. : A feasibility study of electric road systems (ERS) for the logistic sector in Sweden.

    Master-uppsats, KTH/Trafik och logistik

    Författare :Georgia Maria Lykogianni; Malin Österlind; [2014]
    Nyckelord :Feasibility; electric roads; ERS; freight vehicles; inductive; conductive; health; electric vehicle.;

    Sammanfattning : Electrification of transportation could be one pathway into sustainability since the electricity production can originate from renewable and low carbon energy sources. Electrifying the road could also reduce the battery dependence and further increase the vehicle efficiency in sense of energy consumption and load capacity when thinking of storage of electric energy in vehicle batteries. LÄS MER

  5. 24. Study of the Optical Properties of sp2-Hybridized Boron Nitride

    Master-uppsats, Linköpings universitet/Tillämpad optik

    Författare :Eduardo Antunez de Mayolo; [2014]
    Nyckelord :Spectroscopic ellipsometry; boron nitride; optical properties; materials characterization; III-V nitride semiconductors; cathodoluminescence; electron microscopy; Raman spectroscopy;

    Sammanfattning : Nitride-based semiconductor materials make it possible to fabricate optoelectronic devices that operate in the whole electromagnetic range, since the band gaps of these compounds can be modified by doping. Among these materials, the sp2-hybridized boron nitride has properties that make it a potential candidate for integration in devices operating in the short-wavelength limit, under harsh environment conditions, due to the strength of the B-N bond. LÄS MER

  7. 25. Investigation of Buck Converter Radiated Emissions (150 kHz - 30 MHz) Measured according to CISPR 25

    Uppsats för yrkesexamina på avancerad nivå, KTH/Elektroteknisk teori och konstruktion

    Författare :John Takeshi Murase; [2013]
    Nyckelord :EMC; EMI; Buck converter;

    Sammanfattning : Electromagnetic compatibility and compliance with relevant standards is imperative for commercial success for any type of electronic equipment. Since more and more electronics are constantly added into today’s vehicles, this is a highly significant matter in the automotive business. LÄS MER