It is used as power transmission cable of electric equipments of rated voltage 0.6/1kV or lower in bad environment or that high temperature. It has good features of high temperature resistance, flame resistance, radiation resistance, aging resistance, ozone resistance, water proof, freezing resistance, weather resistance, etc.
Executive standard: enterprise standard
Performance for Usage
Rated voltage U0/U: 600/1000V
Working temperature allowed by cable is -60℃~180℃
Max. temperature of cable conductor is no more than 250℃ during short circuit(The longest lasting time is no more than 5s)
Temperature for installing is no less than -20℃
Bending radius of cable as follows:
It is no less than 15 times that of cable outer diameter for cable with single core
It is no less than 12 tomes that of cable outer diameter for cable with three cores
Type and Description:
Type and description are listed in the following table
Type
Description
(ZR)-HGG
(flame retardant) power soft cable with silicon rubber insulation and sheath
(ZR)-HGGP
(flame retardant) power soft cable with silicon rubber insulation and sheath, copper wire braided shielding
(ZR)-HGGP2
(flame retardant) power soft cable with silicon rubber insulation and sheath, copper tape shielding
(ZR)-HGVF
(flame retardant) power soft cable with silicon rubber insulation and butadiene PVC sheath
(ZR)-HGVFP
(flame retardant) power soft cable with silicon rubber insulation, butadiene PVC sheath, copper wire braided shielding
(ZR)-HGVF22
(flame retardant) power soft cable with silicon rubber insulation, butadiene PVC sheath, steel tape armor
(ZR)-HGVFP2
(flame retardant) power soft cable with silicon rubber insulation, butadiene PVC sheath, copper tape wrapped shielding.
Specification
“Core number * nominal cross section area” stands for cable specification. Please see the following table
Type
Core number
Nominal cross section area(mm2)
(ZR)-HGG
1,2,3,4,5,3+2,3+1
1.5~500 for single core
1.5~240 for multi-core
(ZR)-HGGP
(ZR)-HGGP2
(ZR)-HGVF
(ZR)-HGVFP
(ZR)-HGVF22
(ZR)-HGVFP2
Technical parameter
DC resistance of finished cable conductor at 20℃ shall meet the requirement of GB/T3956 standard. Conductive core DC resistance of finished cable is no more than 0.0184Ω for cable with cross section 1mm2 under the condition that cable length is 1m and temperature is 20℃
Insulated resistance of finished cable insulated conductor will be no less than 50MΩ for cable with conductive core section 50mm2 or lower and 35 MΩ for cable with conductive core cross section 70~185mm2 under the condition that cable length is 1km and temperature is 20℃
Finished cable shall bear A.C voltage rest of 3500V under power frequency for 5 minutes without puncture of insulation.
OVERHEAD LINE CONDUCTORS
