Search for dissertations about: "internal devices"
Showing result 16 - 20 of 135 swedish dissertations containing the words internal devices.
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16. Internal Design of a Class of Self-Excited Synchronous Generators
Abstract : INTERNAL DESIGN OF A CLASS OF SELF-EXCITEDABSTRACTWith the increasing trend of distributed generation and the need for alternative and renewable energy sources, self-excited induction and synchronous reluctance generators have attracted more attention for wind, tidal and hydropower applications. This thesis is concerned with the development of a class of self-excited synchronous reluctance generators (SRG). READ MORE
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17. The Buried Oxide of Silicon on Insulator Materials
Abstract : The buried oxide of silicon on insulator (SOI) wafers plays an important role in the operation of electronic devices made on such materials. The presence of defects in the buried oxide can seriously degrade the performance of a circuit. READ MORE
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18. Experimental Studies of Charge Transport in Single Crystal Diamond Devices
Abstract : Diamond is a promising material for high-power, high-frequency and high- temperature electronics applications, where its outstanding physical properties can be fully exploited. It exhibits an extremely high bandgap, very high carrier mobilities, high breakdown field strength, and the highest thermal conductivity of any wide bandgap material. READ MORE
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19. Particle Characterization in the Exhaust Devices of Direct Injection Engines
Abstract : Minimizing pollutants are of utmost importance to ensure sustainability in transportation. Particle emissions from internal combustion engines are especially harmful to human health, while also contributing to global warming. READ MORE
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20. Wideband Active and Passive Antenna Solutions for Handheld Terminals
Abstract : This thesis presents solutions and studies related to the design of wideband antennas for wireless handheld terminal applications. A method of electrically shortening the terminal chassis length to obtain resonance at high frequencies has been proposed and evaluated, thereby increasing the antennas impedance bandwidth. READ MORE