Sökning: "high power density transformer"

Hittade 5 uppsatser innehållade orden high power density transformer.

  1. 1. Evaluation and Design of High Frequency Transformers for On Board Charging Applications

    H-uppsats, Chalmers tekniska högskola/Institutionen för energi och miljö

    Författare :Tobias Elgström; Linus Nordgren; [2016]
    Nyckelord :Power Electronics; OBC; Charger; Transformer; Electric; Electric-Hybrid; Vehicle; Magnetics; Litz; Proximity Effect; Skin Effect; Steinmetz; Isolated DC-DC;

    Sammanfattning : The demand and production of hybrid and full electric vehicles is steadily increasing.This accelerates the development of infrastructure and related systems, suchas chargers. When connecting the charging port directly to the grid, chargers integratedinto the vehicles converts the AC mains to correct battery voltage and regulatesthe power. LÄS MER

  2. 2. High frequency dc/dc power converter with galvanic isolation

    Master-uppsats, Linköpings universitet/Fysik och elektroteknikLinköpings universitet/Tekniska högskolan; Linköpings universitet/Fysik och elektroteknikLinköpings universitet/Tekniska högskolan

    Författare :André Van Der Kogel; Niklas Österlund; [2016]
    Nyckelord :;

    Sammanfattning : There is a steady demand to increase the efficiency and raise the power density of power converters. This trend is desired since it leads to reduced size of the converter.The purpose of this thesis is to investigate materials, topologies, core structure and then build a prototype to demonstrate the result. LÄS MER

  3. 3. Constructional design, manufacturing and evaluation of high power density medium frequency transformer prototypes

    H-uppsats, Chalmers tekniska högskola/Institutionen för energi och miljö

    Författare :Mohammad Kharezy; [2014]
    Nyckelord :High Voltage; Low Voltage; Voltage measurement Transformer; Current measurement Transformer; Liquid Crystalline Polymer; High Power Medium Frequency; Dual Active Bridge; Voltage Switching; Pulse Width Modulator;

    Sammanfattning : The aim of this project is to manufacture and test two 60 kW, 1.2/3.6 kV, 6 kHz 46/28μH prototype transformers.• Based on the prepared high power medium frequency transformers’ design data, theconstructional design of two prototype transformers is performed. LÄS MER

  4. 4. Design, simulation and evaluation of two different topologies for the 2.4 MW 4/6 kV DC-DC fullbridge converter

    H-uppsats, Chalmers tekniska högskola/Institutionen för energi och miljö

    Författare :Majid Fazlali; Maziar Mobarrez; [2012]
    Nyckelord :DC-DC fullbridge converter; hard-switched converter; soft-switch converter; zero-voltage; switching; phase shift control; switching losses; high power density transformer;

    Sammanfattning : In this thesis, a hard switched and zero-voltage switching fullbridge converter for high power applicationsare compared in terms of their losses. Important issues in designing these kind of converters are to achievehigh efficiency with low cost and low weight. LÄS MER

  5. 5. Analysis of an induction regulator for power flow control in electric power transmission systems

    Uppsats för yrkesexamina på grundnivå, Linköpings universitet/Institutionen för fysik, kemi och biologi

    Författare :Anna Guldbrand; [2005]
    Nyckelord :Power flow control; Phase shifting; Induction regulator; Gadolinium;

    Sammanfattning : Controlling the power flow in transmission systems has recently gained increased interest. The difficulties of building new lines and the pressure of having a high utilization of existing assets, makes the flexibility of grid systems increasingly important. LÄS MER

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