Switchgear
Switchgear cabinet/cubicle, electrical cabinet
Only the switchgear enclosure/shell/case/cabinet/cubicle is also available
Switchgear kinds:
1. High voltage switchgear 40.5KV...
2. Medium voltage switchgear 3.6KV, 7.2KV, 12KV...
3. Low voltage switchgear 380 (400), 660V
The enclosure/shell/case/cabinet/cubicle includes:
Switchgear cabinet/cubicle
Electrical cabinet
For hydropower/hydroelectric power plant/station, the switchgear generally includes:
1. Generator excitation transformer cabinet
2. Generator excitation PT cabinet
3. Generator outlet PT cabinet
4. Generator breaker cabinet
5. Generator inlet cabinet
6. Main transformer inlet& PT cabinet
7. Main transformer outlet cabinet
8. Bus bar PT cabinet
9. Auxiliary transformer (inlet) cabinet
10. Generator star point CT cabinet
11. Feeder cabinet
12. High voltage shunt automatic compensation device
13. High voltage shunt capacitor complete device
14. Low voltage reactive power compensation cabinet...
Switchgear types:
1. MCC low voltage switchgear
2. GCS low voltage withdrawable switchgear
3. MNS low voltage withdrawable switchgear
4. GCK low voltage withdrawable switchgear
5. GGD low voltage fixed switchgear
6. KYN indoor AC metal-clad withdrawable enclosed switchgear
7. XGN indoor AC box-type metal-enclosed fixed switchgear
8. HXGN indoor AC box-type metal-enclosed fixed switchgear(ring main unit)
9. YBM prefabricated substation
10. YBP prefabricated substation
11. XBZ intelligent box-type substation
12. XBJ compact box-type substation...
KYN28A-12,XGN2-10,GG-1A,XLW,JYN2-12,XGN37-12,XGN2-12(Z),GG1A-12 (F),HXGN11-12…
Bus bar room, handcart(breaker)room, cable room, relay instrument room, handcart
Working position, test position, maintenance position
Anti-misoperation locking, interlocking, five electric preventions, mechanical locking, electrical locking
DSN-BMZ(Ⅱ), DSN-MY/A, DSN-MZ/B...
Vacuum breaker VS1-12-1250A/25KA,ZN85-40.5/1600-31.5,ZN...
Operation sequence O-0.3S-CO-180S-CO…
High&medium voltage switchgear:
Rated voltage: 3.6KV, 7.2KV, 12KV, 40.5KV
Rated current: 400,630,1250,1600,2000,2500,3150,4000A
Rated short-circuit breaking current: 20,25,31.5,40,50KA
Rated short-circuit closing current (peak): 50,63,80,100,125KA
Low voltage switchgear:
Rated voltage: 380 (400), 660V
Rated current: up to 6300A
Rated short-circuit breaking current: 100KA max
Protection level/class/grade: IP30~IP54
Enclosure IP4X…
Compartment and circuit breaker room(open door):IP2X…
Conditions of Use
1. Applicable altitude does not exceed 1000m/2000m/3000m/3500m…
2. Ambient temperature -10℃~+40℃/-25℃~+40℃…
3. Monthly average humidity is not more than 90%
4. Daily average is not more than 95%
5. Earthquake intensity shall not exceed 8/9 degrees
6. The surrounding air should be free from corrosion or obvious pollution from flammable gas, water vapor…
7. No serious pollution and frequent severe vibration...
