Outdoor termination for a high voltage cable
AssigneePirelli Kabel und Systeme GmbH & Co. KG
InventorsLothar Goehlich, Claude Gork
Life of this patent
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Abstract
The present invention relates to an outdoor termination for a high voltage cable, comprising an insulator body for receiving the high voltage cable; a filling compound provided within the insulator body and filling at least a portion of the space between the insulator body interior walls and the cable insulation; wherein said filling compound consists of a mixture of particles and an insulating compound; wherein said insulating compound is a crosslinked polymeric material with a DIN ISO hardness of 200 to 500 mm/10.
Claims12
An outdoor termination (OT) for a high voltage cable (CA), comprising:
- a) an insulator body (2) for receiving the high voltage cable (CA);
- b) a filling compound (3) provided within the insulator body (2) and filling at least a portion of the space between the insulator body interior walls (2.1) and the cable insulation (5);
- c1) wherein said filling compound (3) consists of a mixture of particles (3.1) and an insulating compound (3.2);
- characterized in that
- c2) wherein said insulating compound (3.2) is a crosslinked polymeric material with a DIN ISO hardness of 200 to 500 mm/10.
An outdoor terminal (OT) according to claim 4, characterized in that
- said grain-, pellet-, or ball-like shaped particles (3.1) have a diameter between 1 to 5 mm.
An outdoor terminal (OT) according to any one of the preceding claims, characterized by
- electric field control means (4) arranged within the insulator body (2) and adapted to control the electric field around the core (5);
- and wherein
- said filling compound (3′) is provided within the insulator body (2) and filling at least a portion of the space between the insulator body interior walls (2.1), the cable core (5) and the electric field control means (4).
An outdoor terminal (OT) according to any one of the preceding claims, characterized in that
- the specific gravity of the particles (3.1) is substantially equal or greater than the specific gravity of the insulation fluid.
An outdoor terminal (OT) according to any one of the preceding claims, characterized in that
- said particles (3.1) are electrically conducting and have a predetermined dielectric constant.
An outdoor terminal (OT) according to any one of the preceding claims, characterized in that
- said insulator body (2) is made from thermoplastic material, porcelain or a composite insulator material.
Dependencies are inferred from the claim text.