XLPE Cable Line - Ccv Line (65+150+90)

Specifications

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
The third floor: +16000mm