This line is designed for the production of 6~35kV power cables with cross-linking polyethylene (XLPE) insulation.

It uses Nitrogen for curing and water for cooling.

Cross-linking PE: 6-35kV

Product size: Copper core: 35-630mm2

Aluminium core: 50-800mm2

Max. Weight of the cable: 10kg/m

Max. Dia. Of the cable: 70mm

Cable structure: Thickness of the conductor shield: 0.5-2mm

Insulation thickness: 3.4~12mm

Thickness of the insulation shield: 0.5-2mm

Material:

Conductor: Compacted copper and aluminium stranded wires

Conductor shield: Cross-linking semiconductor

Insulation: Cross-linking PE

Insulation shield: Strippable insulation shielding coating (below 35kV)

Non-strippable insulation shielding coating (35kV)

Designed line speed: 0.3~30m/min.

Catenary pipeline: Pipe lay-out mode: Semi-catenary type

Slope angle of the cooling zone: 1o-2o

Coefficient of the catenary: 200~150

Length of the heating zone: Approx 36m

Material: Stainless steel, 200× 4

Max. Designed temperature: 450oC

Length of the pre-cooling zone: Approx 13m

Material: Stainless steel, 200× 4

Length of the cooling zone: Approx 54m

Material: Stainless steel, 150× 4

Designed pressure: 1.6MPa

Arrangement of the plastic extruders:

65-150-90 for 3-layers plastic co-extrusion

65 extruder for conductor shielding extrusion

150 extruder for XLPE insulation extrusion

90 extruder for insulation shielding extrusion

Consumption of the public utilities and environmental requirement:

Electric power: Total power consumption: 750KVA, it should be sine wave that the voltage of the power supply, and its harmonic distortion is less than 5%, and its balance between the voltage of 3-phase is also less than ± 5%

380V± 10%, 220V± 10%, 50Hz± 2%, 3-phase & 5-wire

Water: Pressure 0.2~0.6MPa, flow rate 15m3/h (circulating water from the water reservoir), suspended matter less than 25mg/l, hardness less than 8° Dh(143ppm), inlet temperature range is 15-25C degree, consumption is about 0.5m3/h, thermal difference less than 5C degree

Compressed air: Pressure 0.6-0.8MPa, consumption: 0.5m3/h in a moment (standard state)

Nitrogen gas: Pressure 2.0~2.2MPa, Purity 99.5%, consumption 4~8m3/h (standard state). In order to ensure the CCV-line starts up, there should be a nitrogen storage tank ≥ 6m3

Environmental temperature range is 5-35C degree

Relative humidity is less than 95%, no glazed frost

Height above sea level is less than 1000m

The height of the building:

The ground floor: +0000mm

The first floor: +5000mm

The second floor: +10200mm