Structural dimensions of 8.7/15 kV and 26/35 kV full cold-shrink cable terminations
L1 / L2 / L3 / L4 / Number of sheds
26/35 kV outdoor termination≥400 / 480±10 / 1000-1900 / 780-880 / 10
26/35 kV indoor termination≥300 / 420±10 / 800-1500 / 750-850 / 7
8.7/15 kV outdoor termination≥200 / 285±10 / 500-800 / 500-600 / 5
8.7/15 kV indoor termination≥125 / 212±10 / 500-700 / 400-500 / 3
Test itemsstandard requirements and test results
8.7/15 kV12/20 kV / 18/30 kV / 26/35 kV
5 min power-frequency withstand voltage test8 kV, no breakdown / passed
Partial discharge test15 kV / 20 kV / 30 kV / 45 kV
Load cycle test in air22 kV / 30 kV / 45 kV / 65 kV
Impulse voltage test95 kV / 125 kV / 170 kV / 200 kV
Salt fog test for outdoor terminations11 kV, 1000 h / 15 kV, 1000 h / 22.5 kV, 1000 h / 32.5 kV, 1000 h
Damp test for indoor terminations11 kV, 300 h / 15 kV, 300 h / 22.5 kV, 300 h / 32.5 kV, 300 h
Maximum permissible temperature during normal operation90℃ / 90℃ / 90℃ / 90℃
Maximum permissible temperature during short circuit250℃ / 250℃ / 250℃ / 250℃
Test itemstandard requirement / conclusion
4 h power-frequency withstand voltage test7.2 kV, no breakdown / passed