Zhengzhou Yifang Cable Co., Ltd |
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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.