External partial discharge resistance of polyethylene and crosslinked polyethylene containing voltage stabilizers

External partial discharge resistance of polyethylene and crosslinked polyethylene containing voltage stabilizers

Anthracene and vinyl naphthalene were melt blended with a low density polyethylene grade at concentrations of 0.5 and 2 wt% respectively. The latter was mixed with dicumyl-peroxide and crosslinked. The resistance to external partial discharges was measured by recording time to breakdown in a needle-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Roseen, P.A., Gubanski, S.M., Gedde, U.W.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Additives
Electric breakdown
Electric resistance
Frequency
Needles
Partial discharges
Polyethylene
Testing
Trees - insulation
Voltage
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Beschreibung
Zusammenfassung:Anthracene and vinyl naphthalene were melt blended with a low density polyethylene grade at concentrations of 0.5 and 2 wt% respectively. The latter was mixed with dicumyl-peroxide and crosslinked. The resistance to external partial discharges was measured by recording time to breakdown in a needle-plane configuration. The external PD resistance was neither increased by crosslinking nor by the addition of aromatic additives at concentrations of up to a few percent by weight.
DOI:10.1109/CEIDP.1995.483709