SIP-3
Applying area and purpose
SIP-3 wire is designed for overhead power transmission lines to the nominal
Voltage 20 kV (for mains voltage
10, 15, 20 kV) and 35 kV (for 35 kV networks)
With a nominal frequency of 50 Hz in air atmosphere ii and iii according to national quality standard 15150, including on the coasts of the seas, salt lakes, in industrial
Areas and areas of saline sands
Technical data
|
Operating temperature range |
from -60 ° C to 50 ° C. |
|
Installation is carried out at ambient temperature |
not less
-20 ° C. |
|
The breakdown voltage of the protective insulation of the protected wires after exposure to water at a temperature of (20 ± 5) ° C for at least 1 hour should be: for 20 kV wires for 35 kV wires на 35 кВ |
Alternating current with a frequency of 50 Hz, not less 24 kV 40 kV |
|
Permissible heating of conductive conductors during operation, |
90 °С
250 °С |
|
in normal mode, no more |
|
|
in case of short circuit |
Conductor - aluminum alloy, round, compacted.
Insulation - from light stabilized cross-linked polyethylene, black.
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