35kv Triple Co-extrusion Dry Cvc Line

Main technical specifications of 35kv Triple Co-Extrusion Dry CVC Line:
1.1 Voltage Class XLPE 6~35kV
1.2 Conductor 25~630mm2 Cu
35~800mm2 Al
1.3 Cable weight max. 10 kg/m
1.4 Cable diameter max. 70 mm
1.5 Cable construction
Conductor shield 0.5~2mm
Insulation 3.4~12mm
Insulation shield 0.5~2mm
1.6 Material
Conductor: compressed Cu, aluminium stranded conductor
Conductor shield: cross-linking conductor screening material
Insulation: XLPE
Insulation shield: strippable insulation screening material (35kV or below) free-strippable insulation screening material (35kV)
1.7 Line design speed: 0~30m/min.
1.8 Line execution: half catenary
Inclination of cooling section: 1A ~ 2A
Catenary factor: 200~150
Length of cross-linking section: about 41 m
material: SS 304I 219A 4
Design temperature: max. 450a
Length of pre-cooling section: 12 m
material: SS304 I 219A 4
Length of cooling section: 54m
Material: SS304 I 140A 4
(the first section of cooling tube isI 219A 4)
Design pressure: 1.6 MPa
1.9 Extruders arrangement:
I 65-I 150-I 90 triple extrusion
I 65 for conductor screen
I 150 for cross linked polyethylene(XLPE)
I 90 for insulation screen
1.10 Pressurized medium in pipe: nitrogen
1.11 Cooling medium in pipe: water
1.12 Kinetic energy consumption:
Electricity: installation capacity 750 kVA
380VA 10%, 50HzA 1%, three-phase and four-wire