ELECTRICAL STRESS CONTROL

ELECTRICAL STRESS CONTROL

A composition for use as an electrical stress controlling layer (12) for use with cable joints and terminations has a non-linear V-I characteristic. The composition comprises a polymeric matrix filled with dop ed zinc oxide varistor powder. The particulate filler is sieved at 125 micrometres, calcin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BACHMAIER, GEORG, GRAMESPACHER, HANSJOERG, KEMP, CHRISTIAN
Format: Patent
Sprache:eng ; fre
Schlagworte:
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Beschreibung
Zusammenfassung:A composition for use as an electrical stress controlling layer (12) for use with cable joints and terminations has a non-linear V-I characteristic. The composition comprises a polymeric matrix filled with dop ed zinc oxide varistor powder. The particulate filler is sieved at 125 micrometres, calcined at 1100 .degree.C, and lightly ground to mainta in the spherical shape of the particles. More than 50% by weight of the particles have a maximum dimension between 5 and 100 micrometres.