35KV 3 Layer Co-extrusion CCV Line
35KV 3 Layer Co-extrusion CCV Line
35KV 3 Layer Co-extrusion CCV Line
35KV 3 Layer Co-extrusion CCV Line
35KV 3 Layer Co-extrusion CCV Line
35KV 3 Layer Co-extrusion CCV Line

35KV 3 Layer Co-extrusion CCV Line

This line is designed for the production of core of 6~35kV, the insulation thickness is below of 12mm, power cables with cross-linking polyethylene (XLPE) insulation. It uses Nitrogen for curing and water for cooling.

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Product Introduction
This line is designed for the production of core of 6~35kV, the insulation thickness is below of 12mm, power cables with cross-linking polyethylene (XLPE) insulation. It uses Nitrogen for curing and water for cooling.



 

Product Parameters
Ⅰ 、 Main technical specifications:
1.Voltage grade:U 0 /U
2. Cross-linking PE:6-26kV/6-35kV
3. Product size: Copper core: 50 - 80 0mm 2/ Aluminium core: 35 - 63 0mm 2
4. Max. weight of the core:10kg/m
5. Max. dia. of the outlet of the crosshead:φ75mm

Core structure
1.Thickness of the conductor shield:0.5-2.0mm
2. Insulation thickness: 2.0-12mm
3. Thickness of the insulation shield:0.5-2.0mm

Material
1. Conductor:Single core, compacted copper and aluminium round wires stranded, non-segmental, non or not to be damaged semiconductor taping
2. Conductor shield:Cross-linking semiconductor
3. Insulation:Cross-linking PE
4. Insulation shield:Strippable insulation shielding coating (below 35kV)on-strippable insulation shielding coating (35kV)
5. Designed machinery line speed:0.5-30m/min

Catenary pipeline
1. Pipe lay-out mode:Semi-catenary type
2. Slope angle of the cooling zone:1°~2°
3. Coefficient of the catenary:200-150
4. the heating zone
5. Length:Approx 40m(6×6 m +topside closure)
6. Material:stainless steel SUS316 ,φ200×4
7. Max. designed temperature:450℃

Pre-cooling zone
1. Length:Approx 13m(2×6 m )
2.Material:stainless steel SUS304 ,φ200×4

Cooling zone
1. Length:Approx 57m
2. Material:stainless steel SUS304 ,φ150×4
3. Designed pressure:1.6MPa

Arrangement of the plastic extruders
1. 65-150-90 for 3-layers plastic co-extrusion
2. 65extruder for conductor shielding extrusion
3. 150extruder for XLPE insulation extrusion
4. 90extruder for insulation shielding extrusion

Consumption of the public utilities and environmental requirement
1. 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

2. Water: pressure 0.2~0.6MPa, flow rate 15m 3 /h (circulating water from the water reservoir), suspended matter less than 25mg/l, hardness less than 8°dh(143ppm), inlet temperature range is 15-25℃, consumption is about 0.5m 3 /h, thermal difference less than 5℃.

3. Compressed air: pressure 0.6–0.8MPa, consumption: 0.5m 3 /h in a moment (standard state)

4. Nitrogen gas: pressure 2.0~2.2MPa, Purity 99.5%, consumption 4~8m 3 /h (standard state).In order to ensure the CCV-line starts up, there should be a nitrogen storage tank ≥5m 3 .

5. Environmental temperature range:5-35℃

6. Relative humidity:<(less than)95%,no glazed frost

7. Height above sea levelless than1000m

The height of the building
1. The ground floor:+0000mm
2. The first floor: + 5 6000mm
3. The second floor:+1 10 00mm
4. The steel stairs from ground to the first floor supplied by buyer.
Product Additional Service Description

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