Search for dissertations about: "excess current"

Showing result 1 - 5 of 117 swedish dissertations containing the words excess current.

  2. 1. Critique of Exaggeration : Thinking Beyond

    Author : Ervik Cejvan; Tros- och livsåskådningsvetenskap; []
    Keywords : HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; critique; exaggeration; thinking beyond; Artaud; Bataille; Derrida; Descartes; Plato; creation of concepts; transgression; extravagance; excess; critique; exaggeration; thinking beyond; Artaud; Bataille; Derrida; Descartes; Plato; creation of concepts; transgression; extravagance; excess;

    Abstract : This study examines the function of exaggeration for thinking beyond the current concepts of God and the human. An example of thinking beyond in philosophy is the exaggeration “beyond being” in Plato’s Republic. In the philosophy of religion, generally, we deal with the questions of God. READ MORE

  4. 2. Partial discharges studied by dielectric response method

    Author : Xiangdong Xu; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; frequency domain spectroscopy; AWIS; partial discharge excess current; dielectric characterization; partial discharge; non-PD excess current;

    Abstract : The increasing demand of integrating various renewable energy recourses in power system requires extensive use of power electronic solutions, which allows energy conversion between different frequencies and stabilizes the system. Consequently, other than the traditional 50/60 Hz sinusoidal voltage stresses act on the high voltage insulation systems. READ MORE

  5. 3. Quantum mechanical effects on charge transport in two mesoscopic systems

    Author : Gustav Sonne; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Nanoelectromechanical systems; NEMS; carbon nanotubes; carbon peapods; excess current; superconducting weak links; suspended carbon nanotubes; non-linear resonances;

    Abstract : Carbon nanotubes are one of the most promising building blocks for the developing field of nanoelectromechanics. Due to their unique electronic and mechanical properties, these all-carbon systems have been suggested for a range of applications where one wishes to utilse the coupling between mechanical and electronic degrees of freedom on the nanometer length scale. READ MORE

  6. 4. Linear, Non-Linear, and Synchronizing Spin Wave Modes in Spin Hall Nano-Oscillators

    Author : Hamid Mazraati; Johan Åkerman; Dario Arena; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spin Hall effect; spin Hall nano-oscillators; threshold current; microwave; spin wave; synchronization; Fysik; Physics;

    Abstract : Spin Hall nano-oscillators (SHNOs) are nanoscale spintronic devices that generate microwave signals with highly tunable frequency. This thesis focuses on improving the signal quality of nanoconstriction-based SHNOs and also on developing a better understanding of their magnetization dynamics. READ MORE

  7. 5. Electromagnetic transformer modelling including the ferromagnetic core

    Author : David Ribbenfjärd; Göran Engdahl; David Jiles; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Power transformer; hysteresis; dynamic hysteresis; dynamic magnetization; eddy currents; excess losses; leakage flux; winding model; core model; magnetic measurements; magnetic materials; Electric power engineering; Elkraftteknik;

    Abstract : In order to design a power transformer it is important to understand its internal electromagnetic behaviour. That can be obtained by measurements on physical transformers, analytical expressions and computer simulations. READ MORE