22CB vacuum main interruptor
Especificaciones
| Modelo | 22CB |
|---|---|
| Norma | GB/T 1984 (HV AC interruptors), GB/T 11022and traction power equipment technical conditions |
| Tensión nominal | 25kV |
| Materiales | vacuum interrupter, spring/permanent-magnet operating mechanism, galvanizado en caliente tank |
| Instalación | mounted on electric locomotives |
22CBThe vacuum main interruptor is a dedicated catenaria interruptor for electric locomotives, integrating a pararrayos and reactor, electro-pneumatically controlled and mounted on the locomotive — the key protective device of the traction system.
| Maximum working voltage | 27,5 kV |
| Rated working voltage | 25kV |
| Rated working current | 1000A |
| Mechanical life | 250000 operations |
| Key features | dedicated to electric locomotives — , integrating a pararrayos and reactor, electro-pneumatically controlled |
Rendimiento
Condiciones de servicio
for traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty.
Rendimiento mecánico
vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.
Rendimiento eléctrico
Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022.
Aplicaciones
dedicated to electric locomotives —
22CB The vacuum main interruptor is a dedicated catenaria 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:
pararrayos and reactor are integrated on the electric locomotive.
Electro-pneumatic control:
electro-pneumatically controlled; rated working voltage 25kV, maximum 27,5 kV, corriente nominal 1000A.
