22CB vacuum main قاطع الدائرة
المواصفات الفنية
| الطراز | 22CB |
|---|---|
| المعيار | GB/T 1984 (HV AC قاطع الدائرةs), GB/T 11022and traction power equipment technical conditions |
| الجهد المقنن | 25kV |
| الخامات | vacuum interrupter, spring/permanent-magnet operating mechanism, مطلي بالجلفن الساخن tank |
| التركيب | mounted on electric locomotives |
22CBThe vacuum main قاطع الدائرة is a dedicated شبكة التلامس قاطع الدائرة for electric locomotives, integrating a مانعة الصواعق and reactor, electro-pneumatically controlled and mounted on the locomotive — the key protective device of the traction system.
| Maximum working voltage | 27.5 كV |
| Rated working voltage | 25kV |
| Rated working current | 1000A |
| Mechanical life | 250000 operations |
| Key features | dedicated to electric locomotives — , integrating a مانعة الصواعق and reactor, electro-pneumatically controlled |
الأداء
ظروف التشغيل
for traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty.
الأداء الميكانيكي
vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.
الأداء الكهربائي
Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022.
التطبيقات
dedicated to electric locomotives —
22CB The vacuum main قاطع الدائرة is a dedicated شبكة التلامس 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:
مانعة الصواعق and reactor are integrated on the electric locomotive.
Electro-pneumatic control:
electro-pneumatically controlled; rated working voltage 25kV, maximum 27.5 كV, التيار المقنن 1000A.
