Influence of the Radiation Destruction of Polymeric Insulation on its Ageing in the Impulse Electric Field

Peter N. Bychkov; Olga V. Solodovnikova

doi:10.4028/www.scientific.net/AMR.880.88

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Influence of the Radiation Destruction of Polymeric Insulation on its Ageing in the Impulse Electric Field
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 880Influence of the Radiation Destruction of...

Influence of the Radiation Destruction of Polymeric Insulation on its Ageing in the Impulse Electric Field

Abstract:

Sensitivity of the destructive doses of ionizing radiations, specifically radiolysis gaseous products to multipulse electric intensity of low-density polyethylene (LDPE) and a polymethyl-methacrylate (PMMA) was investigated. LDPE and PMMA were found to differ significantly depending on radiation resistance and gas permeability. The service life of the materials was basically determined by the intensity of the destruction processes at the molecular level, the macrodefects were developed at the last ageing stage . It was shown that microseconds impulses did not cause accumulation of volume charge in LDPE and PMMA. It was concluded that the ageing of polymer dielectrics affected by electric microseconds impulses did not relate to volume charge accumulation in the polymers.

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Periodical:

Advanced Materials Research (Volume 880)

Pages:

88-92

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.880.88

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Online since:

January 2014

Authors:

Peter N. Bychkov*, Olga V. Solodovnikova

Keywords:

Accumulation of Volume Charge, Electrical Ageing of Insulation, Ionizing Radiation, Low Density Polyethylene (LDPE), Poly(methyl methacrylate) (PMMA), Service Life of Insulation

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