Concentric conductor cable

Model description: Concentric conductor power cables are only different in design structure from cross-linked polyethylene insulated power cables and polyvinyl chloride insulated power cables. They are distinguished by the suffix "- T" in the model, such as VV-T, YJV-T, YJLV22-T, etc

Model Description

Concentric conductor power cables are only different in design structure from cross-linked polyethylene insulated power cables and polyvinyl chloride insulated power cables, distinguished by the suffix "- T" in models such as VV-T, YJV-T, YJLV22-T, etc.

Usage characteristics

project	Performance
Rated voltage Uo/U	0.6/1kV
Long term allowable working temperature	These properties are consistent with the corresponding PVC insulated power cables or cross-linked polyethylene power cables
Insulation performance
Maximum temperature during short circuit
impedance	Having low and uniform positive (reverse) and zero sequence working impedances is beneficial for improving power supply quality
reactance	Concentric conductors work in zero sequence state compared to ordinary four core cables
The reactance value below is much higher, which is conducive to the sensitive action of the short-circuit automatic protection device, thereby ensuring the safe operation of related equipment	anti-interference ability
Has strong resistance to electromagnetic interference and lightning strikes	combustibility Flame retardant cables can withstand the bundled combustion test specified in GB12666.5 (IEC332-3),Fire resistant cables can withstand GB12666.6（IEC331
）The prescribed fire resistance characteristic test	Conductor Resistance
Compliant with GB3956	pressure resistant performance
Withstand 3.5kV power frequency voltage test for 5 minutes	Other features