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35KV CCV Line
35KV CCV Line Application The line is designed for manufacturing 6～35 kV XLPE cable of compressed Cu. Al. stranded conductor. The pipe arrangement is of semi-catenary declination type, adopt XL pipes with short circuit heating, nitrogen as the medium and water cooling type. The finished XLPE cable measure up to GB/T 12706-2008 standard. CCV line technical data Voltage class XLPE6～35 kV Cross section of conductor Cu. 35～630 mm2 Al. 50～800 mm2 Max. weight of cable 10 kg/m Max. diameter Φ75 mm Extruded thickness Φ65 Extruder 0.5～2.0 mm Φ150Extruder 2.5～10.5 mm Φ90 Extruder 0.5～2.0 mm Vulcanizing tube length Total length of tube 102 m Heating length 36 m 6m×6 Pre-cooling length 12 m 6m×2 Water cooling length 54 m 6m×9 Area of main building platform （L×W）≥24 m×18 m The height of third floor 10 m Length of workshop ≥130 m Nitrogen Pressure: 2.0～2.5 MPa Purity: 99.5 % Consumption: 0.4～1.8 m3 /h Nitrogen tank volume:5 m3 Cooling water Pressure: 0.2～2 MPa Consumption 12.5 m3 /h Compressed air Pressure: 0.6～0.8 MPa Consumption 0.8 m3 /h Power source requirement Separate transformer, installed gross capacity≥ 750 kVA Voltage: 380 V ± 10 % Frequency: 50 Hz. ± 1 Hz Power supply mode: 3-phase, 5-wire,(N wire is separate, not connected to the ground) Earthing cable: separate earthing resistance is less than 4Ω. Gross weight approx.100 ton
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