Accessory for high voltage direct current energy cables
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jan 18, 2018
app pub date -
Jan 21, 2015
filing date -
Jan 21, 2015
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Abstract
The present invention relates to an accessory for high-voltage direct-current (HVDC) energy cables comprising: at least one element made from a crosslinked elastomeric polymer material, and at least one scavenging layer comprising zeolite particles. The zeolite particles are able to scavenge, very efficiently and irreversibly, the by-products deriving from the cross-linking reaction, so as to avoid space charge accumulation in the element during the accessory lifespan. Moreover, the zeolite particles can prevent the crosslinking by-products present in the element of a non-degassed accessory from migrating towards the insulating layer of the energy cable on which the accessory is mounted.
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