Gneral of Metal Enclosed switchgear cabinet
1.Ratings: system voltage 3.6kV, 7.2KV, 12KV, rated current up to 4000A, AC three phase 50/60HZ.
2.Application: mainly applicable in the power plant, substation, mineral enterprise to receive and distribute power with the functions of controlling, protecting and monitoring. It also can be used in places where the frequently operations are in need.
3.Standard: IEC62271-200
Working Conditions
1.Ambient air temperature: -15°C~+40°C.
2.Altitude: ≤1000m.
3.Relative humidity : Daily average≤95%, daily averange of vapour pressure≤2.2kpa.
4.Earthquake intensity: ≤magnitude 8.
5.Applicable in the places without corrosive and flammable gas and water vapor.
6.Used in place without frequently intense vibrant.
Note: Customized products are available.
Main technical Parameter
No. | Item | Unit | Data |
| 3.1 | Rated voltage | kV | 3.6,7.2,12 |
| 3.2 | Rated current of circuit breaker | A | 630,1250,1600,2000 |
| Rated current of switchgear | A | 630,1250,1600,2000 |
| 3.3 | Rated frequency | Hz | 50 |
| 3.4 | Rated short-circuit breaking current | kA | 16,20,25,31.5,40,50 |
| Rated short-time withstand current | kA | 16,20,25,31.5,40,50 |
| Rated short circuit continuous time | s | 4 |
| 3.5 | Rated peak withstand current | kA | 40,50,63,80,100,125 |
| Rated short-circuit closing current(peak) | kA | 40,50,63,80,100,125 |
| 3.6 | Rated insulation level: 1min power frequency withstand voltage | kV | 24,32,42 between poles, pole to earth |
|
| kV | 24,32,48 between open contacts |
| 3.7 | Rated insulation level: Lighting impulse withstand voltage(peak) | kV | 40,60,75 between poles, pole to earth |
|
| kV | 46,70,85 between open contacts |
| 3.8 | Rated power frequency withstand voltage | kV | 95/1min |
| 3.9 | Protection level | Switchgear shell |
| IP4X |
|
| Compartments(door opened) |
| IP3X when the CPT and CB doors are open. |
Suzhou Silverstone Electric Specialises in Power Transmission, Distribution, Electrical Automation Solutions, Power Quality Solutions, Hydro Power, Solar Power, Power Generation and Substation EPC Consultant.
We manufactures and trades
Power Transformer
--Dry type Transformer (up to 35kV)
--Oil Immersed Transformer (up to 230kV)
GIS (Gas Isolated Switchgear)
--Up to 145kV Compact Gas Insulated Switchgear (GIS)
--Up to 230kV Gas Insulated Switchgear (GIS)
MV Switchgear
--Metal clad AC Enclosed Switchgear
--Packaged Type AC Metal Enclosed Switchgear
--Gas Insulated Switchgear
LV Switchgear
--LV Withdrawable Switchgear
--LV Fixed Switchgear
MV Circuit Breaker
--Vacuum Circuit Breaker
--SF6 Circuit Breaker
--MV Earthing Switch
--Load Break Switch
Reactor
--Dry-type Air Core Reactor Series
--Dry-type Core Series Shunt Reactor
--HV Oil-immersed Shunt Reactor
HV&LV Busbar Trunking System
--Busbar Trunking System (Busway)
--Common Enclosure Busbar
HV Circuit Breaker & Disconnector
--HV Circuit Breaker
--SF6 Circuit Breaker
--HV Disconnector
--Outdoor AC discontector
--HV Earthing Switch
--Outdoor AC Earthing Switch
Capacitor
--All film high voltage shunt capacitor
--High-voltage shunt capacitor banks
--Atlernating filter capacitor complete equipments
Power Protection & Automation
Reactive Compensation
High Voltage Frequency Reactor
Medium voltage variable frequency drives
Medium voltage soft starter
STATCOM (Static synchronous compensator)
Static var compensator with Magnetically controlled reactor
TSC (Thyristor switched capacitor banks)
Active power filter
