Search for dissertations about: "High Voltage"

Showing result 16 - 20 of 824 swedish dissertations containing the words High Voltage.

  1. 16. High Voltage Insulation Diagnostics Utilizing HTS-SQUID Based Amplifiers

    Author : Thomas Eriksson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; dielectric response; current amplifier; partial discharge; Rogowski sensor; SQUID; voltage amplifier;

    Abstract : In the design and development of high voltage insulation systems, different diagnostic methods are often used for system characterization. It is therefore crucial to continuously improve existing methods and to develop new ones. READ MORE

  2. 17. Silicon nanowire based devices for More than Moore Applications

    Author : Ganesh Jayakumar; Per-Erik Hellström; Mikael Östling; Luca Selmi; KTH; []
    Keywords : silicon nanowire; biosensor; CMOS; sequential integration; lab-on-chip; LOC; high-K; high-K integration on SiNW biosensor; ALD; fluid gate; back gate; SiNW; SiNW pixel matrix; FEOL; pattern transfer lithography; sidewall transfer lithography; STL; multi-target bio detection; BEOL; nanonets; silicon nanonets; SiNN-FET; SiNW-FET; CMOS integration of nanowires; CMOS integration of nanonets; monolithic 3D integration of nanowires; above-IC integration of nanowires; DNA detection using SiNW; SiNW biosensor; dry environment DNA detection; DNA hybridization detection using SiNW; SiNW functionalization; SiNW silanization; SiNW grafting; FEOL integration of SiNW; BEOL integration of SiNW; sequential multiplexed biodetection; biodetection efficiency of SiNW; front end of line integration of SiNW; back end of line integration of SiNW; SiNW dry environment functionalization; APTES cross-linker; accessing SiNW test site; fluorescence microscopy of SiNW; geometry of SiNW; SiNW biosensor variability; top-down fabrication of SiNW; bottom-up fabrication of SiNW; VLS method; ams foundry CMOS process; adding functionality in BEOL process; sensor integration in BEOL process; hafnium oxide; HfO2; aluminium oxide; Al2O3; TiN backgate; Nickel source drain; ISFET; ion sensitive field effect transistor; Overcoming Nernst limit of detection using SiNW; SiNW sub-threshold region operation; ASIC; SOC; SiGe selective epitaxy; epitaxial growth of SiNW; epitaxial growth of nanowires; epitaxial growth of nanonets; nickel silicide contacts; salicide process; high yield SiNW fabrication; high volume SiNW fabrication; silicon ribbon; SiRi pixel; SiRi biosensor; SiRi DNA detection; monolithic 3D integration of nanonets; above-IC integration of nanonets; impact of back gate voltage on silicon nanowire; impact of back gate voltage on SiNW; FDSOI; fully depleted silicon on insulator technology; metal backgate; wafer scale integration of SiNW; wafer scale integration of nanonets; impact of backgate voltage on CMOS inverter circuit; frequency divider; D flip-flop; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : Silicon nanowires (SiNW) are in the spotlight for a few years in the research community as a good candidate for biosensing applications. This is attributed to their small dimensions in nanometer scale that offers high sensitivity, label-free detection and at the same time utilizing small amount of sample. READ MORE

  3. 18. Propagation of Supraharmonics in Low-Voltage Networks

    Author : Angela Espin Delgado; Sarah Rönnberg; Math Bollen; Jos Knockaert; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; supraharmonics; waveform distortion; low-voltage; high-frequency harmonics; Electric Power Engineering; Elkraftteknik;

    Abstract : The need for measures towards a sustainable use of energy has incited the proliferation of devices and systems for the efficient use of electricity. Energy-efficient appliances, equipment for the electrification of transportation, electricity generators from renewable energy sources, and communication protocols, e.g. READ MORE

  4. 19. Immunoassays using high-Tc SQUIDs

    Author : Fredrik Öisjöen; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; YBCO; antigen.; magnetic nanoparticles; immunoassays; antibody; SQUID; High-Tc;

    Abstract : The development of a system for immunoassays using highly sensitive high-Tc superconducting quantum interference devices (SQUIDs) and magnetic nanoparticles (MNPs) is described in this thesis.High-Tc SQUIDs were fabricated using pulsed laser deposition and photolithography. READ MORE

  5. 20. New innovative methods for non-intrusive optical diagnostics of high-voltage insulator materials

    Author : Magnus Bengtsson; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Atom- och molekylärfysik; Atomic and molecular physics; akustik; optik; optics; acoustics; Electromagnetism; Microbiology; bacteriology; virology; mycology; Mikrobiologi; bakteriologi; virologi; mykologi; fluorescence; optical diagnostics; high-voltage insulation; remote sensing; polymeric insulators; lidar; biological contamination; Gases; fluid dynamics; plasmas; Gaser; fluiddynamik; plasma; Energy research; Energiforskning; Elektromagnetism;

    Abstract : The purpose of this PhD thesis work has been to develop optical techniques that can help utility engineers for assessing the state of insulators in service and in a laboratory. The possibilities to use remote laser induced fluorescence for detection and imaging of biological growth such as algae and fungi have been investigated. READ MORE