Sökning: "Electrical Potentials"

Visar resultat 16 - 20 av 89 avhandlingar innehållade orden Electrical Potentials.

  1. 16. Low Temperature Charge Transport in Diamond

    Författare :Viktor Djurberg; Jan Isberg; Julien Pernot; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk fysik med inriktning mot elektronik; Engineering Science with specialization in Electronics;

    Sammanfattning : Diamond is a wide band semiconductor with fascinating electrical and physical properties. It has high thermal and electrical conductivity, high electrical breakdown field, high radiation hardness and is chemically inert. LÄS MER

  3. 17. Surface potential dynamics on insulating polymers for HVDC applications

    Författare :Shahid Alam; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; dielectric spectroscopy; silicone rubber; intrinsic conduction; surface potential decay; activation energy; electric conductivity; HVDC insulation;

    Sammanfattning : The use of high voltage direct current (HVDC) technology in power transmission systems is continuously expanding. Nowadays, HVDC transmissions operate at voltages up to 800 kV and higher levels are being developed. LÄS MER

  4. 18. Reducing Carbon Emissions From Natural Gas-fired Power Plants – Biomass, Concentrated Solar and Carbon Capture

    Författare :Erik Pihl; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; carbon capture and storage; bioenergy; biofuels; optimisation; modeling; solar thermal power; resource limitations; thermo-economic assessment;

    Sammanfattning : In this thesis, possibilities to reduce emissions from combined cycle gas turbine (CCGT) plants are evaluated. The evaluation is done from two perspectives: techno-economic analysis, and analysis of the resource and integration potentials. LÄS MER

  5. 19. Influence of Electron Charge States in Nanoelectronic Building Blocks

    Författare :Johan Piscator; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; silicon nanowire; conductance method; MOS; Schottky barrier lowering; CV; silicon on insulator SOI ; high-k; interface states; Schottky contacts; TSC.;

    Sammanfattning : The continued efforts to improve performance and decrease size of semiconductor logic devices are facing serious challenges. In order to further develop one of the most important nanoelectronic building blocks, the metal-oxide-semiconductor field-effect-transistor (MOSFET), several major problems have to be solved. LÄS MER

  7. 20. Enhanced Dielectric Response Methods for the Characterization of Dielectric Materials

    Författare :Jing Hao; Nathaniel Taylor; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; FDS; non-contact; dielectric response; combined AC and DC; space-charge polarization;

    Sammanfattning : Dielectric response measurement is widely used for condition assessment of high voltage equipment and for characterizing candidate materials. Measurement with high accuracy and reliability is important in all stages of the lifetime of high voltage equipment, from manufacture to replacement decision. LÄS MER