Brugg Kabel AG

XDRCU-ALT Single-core Cable for 500/290 (550) kV

Construction

• Aluminium conductor, round stranded or segmented, optionally with longitudinal water barrier

• Inner semi-conductive layer firmly bonded to the XLPE insulation

• XLPE main insulation, cross-linked

• Outer semi-conductive layer firmly bonded to the XLPE insulation

• Copper wire screen with semi-conductive swelling tapes above and below as longitudinal water barrier

• Aluminium foil, overlapped and glued as radial diffusion barrier bonded to the oversheath

• Thermoplastic oversheath as mechanical protection, optionally with semi-conductive and/or flame-retardant layer

Remarks

The inner semi-conductive layer, the XLPE main insulation and the outer semi-conductive layer are extruded in a single operation applying a dry curing and a water or nitrogen cooling method.

Features

• Very low weight

• Low losses

• Low cost

• Internationally proven design

• Suitable for most applications

Standards

IEC 62067