132KV CCV线电视设备，catenary继续vulca

1. Main technical specification 1.1 Voltage Class XLPE 10 110kV 1.2 Conductor 25 800mm2 Cu 35 1000mm2 Al 1.3 Cable weight max. 12.5 kg/m 1.4 Cable diameter max. 80 mm 1.5 Cable construction Conductor shield 0.5 2mm Insulation 3.4 20mm Insulation shield 0.5 2mm 1.6 Material Conductor: compressed Cu, aluminium stranded conductor, Milliken conductor Conductor shield: cross-linking conductor screening material Insulation: XLPE Insulation shield: strippable insulation screening material (35kV or below) free-strippable insulation screening material (35kV110kV) 1.7 Line design speed: 0 25m/min. 1.8 Line execution: half catenary Inclination of cooling zone: 1° 2° Catenary factor: 200 150 Cross-linking zone length: about 53 m material: 0Cr18Ni9 φ250×4 Design temperature: max. 450 Precooling zone length: 12 m material: 0Cr18Ni9 φ250×4 Cooling zone length: about 90m Material: 0Cr18Ni9 φ140×4 Design pressure: 1.6 MPa 1.9 Extruders arrangement: φ80-φ175-φ100 triple extrusion φ80 for core screen φ175 for cross linked polyethylene φ100 for insulation screen 1.10 Pressurizing medium in pipe: nitrogen 1.11 Cooling medium in pipe: nitrogen and water 1.12 Kinetic energy consumption: Electricity: installed capacity 1050 kVA 380V±10%, 50Hz±10%, three-phase, four-wire Water: water pressure: 0.2 0.6 MPa Water consumption: 15m3/h (circulating water from reservoir) Compressed air: 0.6 0.8 MPa Air consumption: 0.8m3/h Nitrogen: pressure 2.0 2.5 MPa purity 99.5% consumption: 1 2m3/h It is necessary to prepare a nitrogen-storing container no less than 6m3 to start up the line.