The University of Southampton

Impulse ageing of polymeric materials

High Voltage Engineering, Modelling and Simulation, Solid dielectrics
EPSRC, SuperGen V, AMPerES

This project is concerned with establishing whether the occurence of switching/lightning impulses can lead to accelerated ageing of extruded cables. HDPE and XLPE material samples have been manufactured using a mold tool developed as part of this project. The samples then can be electrically aged using one of the high voltage laboratory's impulse generators. A real-time software based monitoring tool has been designed to control the impulse wave-shape and process the measurement data. The obtained results will inform the further development of models describing the multifactor ageing mechanisms that in-service cables experience. The electric field and potential profiles as well as the mechanical deformation of the sample will be observed when using different shaped electrodes.

Primary investigators

Secondary investigator

  • nld06r

Associated research groups

  • Electrical Power Engineering
  • Electronics and Electrical Engineering
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