Search for dissertations about: "low voltage cable"

Showing result 1 - 5 of 25 swedish dissertations containing the words low voltage cable.

  1. 1. Analysis of Fatigue Characteristics in Mooring Lines and Low Voltage Cables for Wave Energy Converters

    Author : Shun-Han Yang; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wave energy converter; de-coupled analysis; power cable; fatigue; dynamic cable; heaving point absorber; mooring line; coupled analysis; power absorption; marine biofouling effect on absorbed power; low voltage cable; catenary mooring chain; marine biofouling effect on fatigue;

    Abstract : To reduce both carbon emission and fossil fuel consumption, there is a pressing need for the exploitation of renewable sources of energy such as biomass, hydropower, solar power, waves, and wind. This thesis addresses the application of wave energy, which has a large potential to contribute to the world’s renewable emission-free energy supply. READ MORE

  2. 2. Characterization of Different Interface Types for HVDC Extruded Cable Applications

    University dissertation from Gothenburg : Chalmers tekniska högskola

    Author : Espen Doedens; [2018]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polymer surfaces; cable peelings; HVDC; Roughness; Charge injection; XLPE; Field enhancement factors; Schottky injection; DC breakdown; Voltage decay; interfaces; Fowler-Nordheim injection; extruded cable; Roughness assisted charge injection.; Charge decay;

    Abstract : In extruded HVDC cable systems a variety of interface types can be found, and the interfacial properties depend on the application within the system. Such applications can be joints, terminations or the cable itself and they will all have different material combinations and manufacturing methods. READ MORE

  3. 3. Transient control in low-voltage power installation networks and electronic systems

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Hong Tang; [1997]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; Transient protection; varistor; gas discharge protector; shielded cable; low-voltage power installation; ATP-EMTP; spark gap; current generator; Fysik; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik; Electricity; Esp The Study Of Transients and Discharges; elektricitetslära; ssk studiet av transienter och urladdning;

    Abstract : Transient protection in a low-voltage power installation network and an electronic system isof vital importance since most of the activities of our society are very dependent on thereliability of low-voltage power installation networks and electronic systems. This thesisconcentrates upon several investigations which all deal with the evaluation and improvementof the protection measures of low-voltage power installation networks and electronic systemsagainst electrical transients. READ MORE

  4. 4. Thermoplastic Insulation for High Voltage Cables

    University dissertation from Gothenburg : Chalmers tekniska högskola

    Author : Yingwei Ouyang; [2020]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polyethylene; polypropylene; blends; polymer; insulation; high voltage; thermoplastic;

    Abstract : High voltage direct current (HVDC) cables that seamlessly integrate renewables have an important contribution to the modern world’s efforts towards a more sustainable future. Extruded HVDC cables that efficiently and reliably transport electricity require robust insulation materials with good thermomechanical and dielectric properties. READ MORE

  5. 5. Development and application of high voltage dielectric spectroscopy for diagnosis of medium voltage XLPE cables

    University dissertation from Stockholm : Elektrotekniska system

    Author : Peter Werelius; [2001]
    Keywords : dielectric spectroscopy; high voltage; variable frequency; diagnostics; non-disgnostics;

    Abstract : When polymer power cables were introduced into mediumvoltage applications in the late 1960s, the degradationphenomenon later referred to aswater treeingwas still unknown. However, this changedwithin a relatively short space of time. READ MORE