Type |
Description |
Application |
YEV |
Copper conductor,EPR insulated and PVC sheathed cable
|
For laying indoors,in tunnel or pipe,unable to bear external mechanical force |
YEY |
Copper conductor,EPR insulated and PE sheathed cable
|
YEV22 |
Copper conductor,EPR insulated,steel tape armored and PVC sheathed cable
|
For laying indoors,in tunnel,cable trench,or direct in ground,can bear external mechanical force ,while unable to bear large tension |
YEY23 |
Copperconductor,EPR insulated,steel tape armored and PE sheathed cable |
YEV32 YEV42 |
Copper conductor,EPR insulated,thin(thick) steel wire armored and PVC sheathed cable |
For laying in high drop area ,can bear external mechanical force and certain tension |
YEY33 YEY43 |
Copper conductor,EPR insulated,thin（thick） steel wire armored and PE sheathed cable |
Notes: We can also produce non-magnetic steel tape and metal wire armored cable
|
Cable Structure
One Core
.
Three Core
Executive Standard of Product
The product is manufactured according to the standard of GB/T12706-2002.At the same time ,it can also be manufactured according to IEC, BS, DIN and AEIC upon request.
Application
The product is suitable for power transmission and distribution lines with rated power frequency voltage Uo/U1.8/3kV～12/20kV。
.
Operating Characteristic
Power frequency rated voltage Uo/U: 1.8/3kV～12/20kV
Max. permissible continuous operating temperature of the conductor: 90℃.
Max. temperature of conductor during short-circuit (5s maximum duration) shall not exceed 250℃.
The ambient temperature under installation should not below 0℃.
The bending radius of a single-core cable: not less than 20 times of cable’s OD
The bending radius of a multi-core cable: not less than 15 times of cable’s.OD
The installation operating condition of cable
Max. permissable continuous operating temperature of the conductor: 90℃.
Ambient air temperature: 40℃.
Soil temperature: 25℃.
Thermal resistivity of soil: 1.0k.m/w.
Depth of laying: 0.7m.
Only consider a loop
If the single-core cable is paralleled laid, adjacent space is equivalent to cable’s OD..
