35kV or Lower XLPE Insulation low smoke& halogen-free flame-retardant Termite-retardant Power Cable

Product Description:

1.      Application

This product is suitable for termite damage zone in power plants, power stations and long-distance power transmission systems, especially in the high environmental requirements and pipe laying of underground power lines termite. 

2.      Type and Specification

3.      Using features

①      Rated voltage Uo/U includes 0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV, 12/20kV, 18/30kV, 21/35kV,26/35kV.

②      The highest allowed operating temperature of conductor for long-term working is 90℃. In short-circuit (Max. long-term is no more than 250℃)

③      D.C. resistance of the conductor complies with the stipulations of GB/T 3956.

④      Installation ambient temperature should be no lower than 0℃. Otherwise it should be preheated. The Min. bending radius should be no smaller than 15 times of cable outer diameter. 

⑤      The cable is laid without horizontal drop limit.

⑥      Working Frequency Voltage Test:：
   For cable with Uo of 3.6kV or lower: 2.5Uo+2kV/5min without puncture;
   For cable with Uo of 3.6kV~18kV or lower: 3.5Uo/5min without puncture;
   For cable with Uo of 21kV and 26kV: 2.5Uo/30min or 3.5Uo/5min without puncture.

⑦      Partial Discharge Test: The discharge volume should be no more than 10Pc under1.73Uo for the cable. There shall be no detectable discharge under the declared sensitivity test.

⑧      Flame-retardant Character:

The flame-retardant characteristics comply with GB/T 1996-2005

⑨      Cable prevention of rat and Termites characteristics comply with GB / T 2951.38-1986.

4.      Picture of structure

1、Conductor  2、Conductor shield   3、Insulation   4、Insulation shield  

 5、Copper tape shield   6、Filler   7、Tape    8、Inner sheath   9、Armor   10、Outer sheath