Aerial bundled cables are mainly used for secondary overhead lines on poles or as feeders to residential premises.
Mv Aerial Bundled Conductor
Mv Aerial Bundled Conductor Standards:
IEC 60502 / AS/NZS 3599-1 standards
Mv Aerial Bundled Conductor Constructions:
Conductor: Round, Aluminium Conductor
Conductor Screen: Extruded semi-conductive layer.
insulation Screen: Extruded semi-conductive layer.
metallic Screen(optional): Copper wire screen or copper tape screen.
Separator: Semi-conductive swellable tape.
outer Sheath: HDPE.
Messager wire: Galvanized steel wires.
Assembly: Three XLPE insulated screened cores are bundled around the galvanized steel
wires in a right hand lay.
MV Aerial Bundled Conductor ABC Cables Application:
Aerial bundled cables are mainly used for secondary overhead lines on poles or as feeders
to residential premises.
The Function of messenger wire:
A) It acts as load bearing wire. B) It acts as earth or neutral conductor
MV Aerial Bundled Conductor ABC Cables Specifications:
AS/NZS 3599 Part 1 6.35/11 kV AL/XLPE /CWS/HDPE Screened Cables
The cables are designed for aerial power lines with rated voltage Uo(Um) 10(12) kV ~35(40.5)kV.
Product properties and range
* Rated voltage is 10kV and 35KV
* No. of cores : 1 , Nominal cross-section(mm2): 16~300
* Max.Continuous permissive working temperature of conductor:
XLPE insulation should be not more than 90ºC.
*Max. Temperature at short circuit (the longest continuous time is not more than 5S) XLPE insulation is 250ºC.
* Installation temperature of cable should be not less than -20ºC.
* Permissive bending radius of cable should be not less than 20(D+d) mm.
D -the actual overall diameter of cable ,mm;
d-the actual overall diameter of conductor ,mm.
* Insulation resistance of common insulation construction of aerial cable should be not less than 1500MΩ km, and insulation
resistance of thin XLPE insulated construction of light aerial cable should be not less than 1000mΩ km.
parameter of Mv Aerial Bundled Conductor
|Number of CoresxNominal Cross Section||Phase Conductor||Messenger Suspension Unit||Continuous current rating at 30ºCambient temp|
|Stranding||Nominal Sectional Area||Maximum Conductor Resistance||Stranding||Nominal Sectional Area||Breaking Load|
AS/NZS 3599 Part 1 12.7/22 kV AL/XLPE /HDPE Non-screened Cables
|Number of CoresxNominal Cross Section||Diameter of Conductor||Thickness of Insulation||Thickness of Insulation Screen||Thickness of Sheath||Messenger Suspension Unit Stranding||Nominal Sectional Area||Breaking Load|
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