XLPE underground cable ,1 core 35 KV Under ground Power Cable 500 Sq mm

1. Application:

It is used to transmit and distribute power in power transmission and distribution system of 35kV or lower. It

is generally applied to the fields including power, construction, mines, metallurgy, petrochemical industry

and communication in complete replace of oil immersed paper insulated power cable and in partial replace

of PVC insulated power cable. Power cables for power networks, underground, outdoors and in cable

ducting.

1.1 Standard: BS6622, BS EN/IEC 60228,IEC60502.2

1.2 Conductor: Class 2 stranded plain copper conductor to BS EN 60228:2005 (previously BS6360)

1.3 Conductor screen: Semi-conducting material

1.4 Insulation: XLPE (Cross-Linked Polyethylene) Type GP8 to BS7655

1.5 Insulation: Screen: Semi-conducting material

1.6 Metallic: Screen: Individual and overall copper tape screen to BS6622

1.7 Filler: PET (Polyethylene Terephthalate) fibres

1.8 Separator: Binding tape

1.9 Bedding: PVC (Polyvinyl Chloride) Type TM1 to BS7655

1.10 Armouring: Single Core: Aluminium Wire Armoured (AWA) MultiCore: Steel Wire Armoured (SWA)

1.11 Sheath: PVC (Polyvinyl Chloride) Type TM1 to BS7655

1.12 Colour: Red or Black

2. Using features :

2.1 Rated voltage: Uo/U:3.6/6kV, 6/10kV(11kV), 12/20kV(24kV), 19/33kV, 26/35kV(35kV).

2.2 No. of core: Single core or three cores.

2.3 The highest allowed operating temperature of conductor for long-term working is 90oC. In short-circuit (Max. long-term is no more than 5 seconds). The highest temperature for conductor is no more than 250ºC.

2.4 D.C. resistance of the conductor complies with the stipulations of 3.6/6kV, 6/10kV(11kV), 12/20kV(24kV), 19/33kV, 26/35kV(35kV).

2.5 The environment temperature should be no lower than 0oC when lay. Otherwise it should be preheated.

2.6 The cable is laid without horizontal drop limit.

2.7 Working Frequency Voltage Test: 3.5Uo/5min without puncture.

2.8 Partial Discharge Test: The discharge volume should be no more than 10pC under 1.73Uo for the cable.