10kv and 35kv Overhead Cable Aerial Insulated Power Cable

Aerial Insulated Power Cable up to 10kV and 35kV

1. Standards and Scope of Application

The products adopt IEC ,NFC ,and so on , and they are suitable for aerial distribution electrical lines with rated AC voltage U(Um)10(12) Kv and 35(42) kv

1. Specific Property for Using

1. The min . temperature of laying cable is not lower than -20 C.
2. The max . temperature of HDPE insulated cable is 150 C , and that of the XLPE insulated cable is 250 C during short circuit (less than 5 seconds)
3. The max . long-time working temperature of the HDPE insulation is 75 C and that of the XLPE insulated cable is 90 C .
4. Every fault time of single-phase earthing shall be less than one minute .And that also shall be less than 8 hours per time and be less than 125 hours every year .
5. The permissible curving radius of single-core cable should be not less than 20(D+d)+ 5%mm , and that of the milti-core cable should be not less than 15(D+d)+5%mm .