Effects of Transients on High Voltage Cable Insulation

Research output: ThesisDissertation (TU Delft)

69 Downloads (Pure)

Abstract

Occasionally sporadic defects in high voltage cable insulation may escape from detection by commissioning or maintenance tests. Usually these tiny defects will not initiate significant partial discharges or cause breakdown in the cable insulation system under normal AC operating condition and normal transient situations. However, nowadays more often complex transient’s behaviour occurs in power systems. For example, in a mixed line and cable system, superimposed transients with large overvoltage can occur due to switching operations. Such transients may have unexpected influences on the partial discharge behaviour and degradation of the cable insulation. This thesis aims to investigate which potential effects such transients have on the insulation condition of the HV cable system, in particular in one of its weakest links, the cable joint.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Delft University of Technology
Supervisors/Advisors
  • Smit, J.J., Supervisor
  • Bauer, P., Supervisor
  • Rodrigo Mor, A., Advisor
Thesis sponsors
Award date28 Feb 2020
Print ISBNs978-94-6366-255-0
DOIs
Publication statusPublished - 2020

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