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  • HighLight 71
    01 November 2017 | Laboratories | Magazine

    HighLight 71

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • HighLight 70 - Americas special
    31 July 2017 | Laboratories | Magazine

    HighLight 70 - Americas special

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • HighLight 69
    04 July 2017 | Laboratories | Magazine

    HighLight 69

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • Analysis of faults in multi-terminal HVDC grid for definition of test requirements of HVDC circuit breakers
    03 July 2017 | Laboratories | Electricity transmission and distribution | Paper

    Analysis of faults in multi-terminal HVDC grid for definition of test requirements of HVDC circuit breakers

    The paper provides a detailed analysis of the temporal development of fault currents in a multi-terminal high voltage direct current (MT-HVDC) grid composed of bipolar converter configuration.
  • HighLight 68
    01 February 2017 | Laboratories | Magazine

    HighLight 68

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • short-cicuit testing of power transformers position paper
    17 October 2016 | Laboratories | Position paper

    Power transformers need real tests to prove they can survive a short circuit

    Short-cicuit testing of power transformers
  • HighLight 67
    19 September 2016 | Laboratories | Magazine

    HighLight 67

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • Cigré 2016 - Paper - Learning from on-line MV power cable monitoring
    22 August 2016 | Laboratories | Paper

    Learning from on-line monitoring of medium voltage power cables with PD and fault location

    In this paper a short introduction will be given on the functionally of the 2BPM system.
  • Cigré 2016 - Paper - Testing of HVDC circuit breakers
    22 August 2016 | Laboratories | Paper

    Testing of HVDC circuit breakers

    In this paper, various possible special circuits for testing HVDC circuit breakers are investigated.
  • Cigré 2016 - Paper - New test methods for 800 kV circuit breakers and above
    22 August 2016 | Laboratories | Paper

    New test methods for circuit breakers of 800 kV and above

    Recent work led to standardized requirements for the highest system voltages up to 1200 kV, now anchored in the IEC requirements.
  • Cigré 2016 - Paper - Concrete poles for 400 kV Wintrack
    22 August 2016 | Laboratories | Paper

    Appropriateness of concrete poles for 400 kV Wintrack

    This paper will address the behavior of the concrete, including steel reinforcements and pre-tension steel, with respect to the presence of a continuous electrical field, short circuit currents and continuous high currents in the steel.
  • Cigré 2016 - Paper - Transformer short-circuit testing
    22 August 2016 | Laboratories | Paper

    Experiences and innovations in power transformer short-circuit current withstand testing

    In total, 297 test series were analyzed with 258 different power transformers involved.
  • Test circuits for HVDC circuit breakers
    06 July 2016 | Laboratories | Paper

    Test circuits for HVDC circuit breakers

    In this paper various test methods and circuits used for testing HVDC circuit breakers are investigated and their performance is evaluated.
  • HighLight 66
    20 June 2016 | Laboratories | Magazine

    HighLight 66

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • HighLight 65
    16 February 2016 | Laboratories | Magazine

    HighLight 65

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • How certified T&D components help to improve power network performance
    08 January 2016 | Laboratories | Position paper

    How certified T&D components help to improve power network performance

    Improving performance
  • HighLight 64
    14 December 2015 | Laboratories | Magazine

    HighLight 64

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • KEMA Laboratories Position Paper
    02 December 2015 | Laboratories | Position paper

    Secure certification of T&D equipment needs laboratory testing position paper

    Secure certification of T&D equipment needs laboratory testing
  • Short-circuit test experience of power- and distribution transformers
    25 September 2015 | Laboratories | Whitepaper

    Short-circuit test experience of power- and distribution transformers

    There is a notable increase of demand of short-circuit testing of power transformers intended for crucial locations in the HV grid.
  • HighLight 63
    01 September 2015 | Laboratories | Magazine

    HighLight 63

    DNV GL’s Quarterly Newsletter of Testing, Inspections & Certification
  • Internal arcing white paper
    20 August 2015 | Laboratories | Whitepaper

    Internal arcing: issues related to testing and standardization

    Download our white paper