•The outdoor terminations for 66~230kv are available for both the EPR-based rubber stress relief cone with an epoxy housing (so called pre-fabricated type) and the silicone rubber sleeve (so called pre-molded type).
•The former uses mechanical devices to maintain the interface pressure and the latter uses elastic retention of silicone material itself
•In both cases, the main insulation components are fully examined and tested in the factory. The maximum allowable cable conductor size is 2500mm2 .Upon request of the customer, either porcelain or composite hollow insulator can be supplied
Selection of insulators with respect to polluted conditions (based on IEC 60815)
Pollution lever | Minimum nominal specific creep age distance |
Light | 16mm/kV |
Medium | 20mm/kV |
Heavy | 25mm/kV |
Very heavy | 31mm/kV |
Rating and dimension
Rated Voltage [kV] | 66 | 110 | 132 | 161 | 230 |
Max. Voltage [kV] | 72.5 | 123 | 145 | 170 | 245 |
BIL [kV] | 325 | 550 | 650 | 750 | 1050 |
Max. Height [mm] | 1000 | 1500 | 2410 | 2410 | 3500 |
Max. Weight [kg] | 100 | 200 | 700 | 800 | 900 |
Max. Creep age Distance(mm) [mm] | 2500 | 4300 | 5000 | 6000 | 8400 |