Copper/Aluminum wire+laminated aluminum tape armored cable

ZTT HV and EHV underground power cables have excellent electrical properties, intended for use in long-distance power transmission. Costumed with special features on request like flame-retardant, water blocking, anti-termite, etc.

This kind of metallic sheath is usually lighter in weight and services in higher capacity of fault current.

STANDARD TAXNOMY

Cables are offered accords with different standards, IEC60840, IEC 62067, AS/NZS.

CONSTRUCTION

Conductor: Copper/aluminum wire, stranded circular or segmental compacted
Conductor screen: Extruded semiconducting layer
Insulation: Cross-linked polyethylene(XLPE)
Insulation screen: Extruded semiconducting layer
Armor: Copper/aluminum wire+laminated aluminum tape
Outer sheath: HPDE or PVC
Semi-conductive layer: Coated with graphite or extruded semiconducting layer

CHARACTERISTCS

Benefits: Good corrosion resistant, high temperature resistant
Max. continuous temperature in operation: 90℃
Min. bending radius: 20 × OD

Parameter

Voltage – CSA
Rated voltage 66kV and above – Max. 3500mm2
Conductor
Copper/Aluminum
Class 2 stranded (CSA＜800mm2)
Class 2 Milliken (CSA≥800mm2)
Insulation
XLPE(Cross-Linked Polyethylene)
Metal Screen
Copper wire/Aluminum wire
Barrier Layer
Semi-conducting water blocking tape
Metal Sheath
Laminated aluminum sheath
Outer Sheath
PE(Polyethylene)
LSZH(Low Smoke Zero Halogen)
Semi-conducting Layer
Coated with graphite
Extruded semi-conducting layer
Special Features on Request
Flame retardant Cat.A, B, C
Anti termite&rodent
Water blocking
Optical fiber temperature measurement

Columbia 110kV UPME STR-03 2019 Nueva Subestación La Marina y Líneas Asociadas(Contractor: CEMAR)

East African Crude Oil Pipeline (EACOP) Project (Contractor: Worley. End user: Total)

Negros-Panay 230kV Interconnection Project (Contractor: NGCP)

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Copper/Aluminum wire+laminated aluminum tape armored cable

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