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power cable

Concentric conductor cable

written words: [big] [middle] [small] QR code of mobile phone page 2016/4/10     Number of visits:     


Model description

Concentric conductor power cable is only different from XLPE insulated power cable and PVC insulated power cable in design structure, and is distinguished by "- t" suffix in model, such as vv-t, yjv-t, yjlv22-t, etc.

Usage features

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 XLPE power cables
Insulation performance
Maximum temperature at short circuit
impedance It has low and uniform forward (reverse) sequence and zero sequence working impedance, which is beneficial to improve the quality of power supply
Reactance The reactance value of concentric conductor is much higher than that of ordinary four core cable under zero sequence working condition, which is conducive to the sensitive action of short circuit automatic protection device, so as to ensure the safe operation of relevant equipment
Anti interference capability It has strong anti electromagnetic interference and anti lightning performance
combustion performance The flame retardant cable can withstand the bunching combustion test specified in GB 12666.5 (iec332-3),
Fire resistant cable can withstand GB 12666.6(
IEC331 )Specified fire resistance test
Conductor resistance Comply with gb3956
Withstand voltage performance Withstand 3.5kv power frequency voltage test for 5min
Other features It has good flexibility and aging resistance


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