22CB vacuum main выключатель
Технические характеристики
| Модель | 22CB |
|---|---|
| Стандарт | ГОСТ 1984 (HV AC выключательs), ГОСТ 11022and traction power equipment technical conditions |
| Ном. напряжение | 25kV |
| Материалы | vacuum interrupter, spring/permanent-magnet operating mechanism, горячее цинкование tank |
| Монтаж | mounted on electric locomotives |
22CBThe vacuum main выключатель is a dedicated контактная сеть выключатель for electric locomotives, integrating a ограничитель перенапряжения and reactor, electro-pneumatically controlled and mounted on the locomotive — the key protective device of the traction system.
| Maximum working voltage | 27.5kV |
| Rated working voltage | 25kV |
| Rated working current | 1000A |
| Mechanical life | 250000 operations |
| Key features | dedicated to electric locomotives — , integrating a ограничитель перенапряжения and reactor, electro-pneumatically controlled |
Эксплуатационные характеристики
Условия эксплуатации
for traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty.
Механические характеристики
vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.
Электрические характеристики
Rated отключаемый ток КЗ and short-time withstand current satisfy system short-capacity verification; insulation level complies with ГОСТ 11022.
Применение
dedicated to electric locomotives —
22CB The vacuum main выключатель is a dedicated контактная сеть breaker for electric locomotives, mounted on electric locomotives.
Key traction system protection
it is the key protective device of the locomotive traction system, safeguarding safe traction operation.
Integrated design:
ограничитель перенапряжения and reactor are integrated on the electric locomotive.
Electro-pneumatic control:
electro-pneumatically controlled; rated working voltage 25kV, maximum 27.5kV, номинальный ток 1000A.
