XGN15-12 Package High Voltage Switchgear
Short Description:
The main function of switch cabinet is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and electric energy conversion. The components in the switch cabinet mainly include circuit breaker, disconnecting switch, load switch, operating mechanism, mutual inductor and various protective devices. There are many classification methods of switchgear, such as the circuit breaker installation can be divided into moving switchgear and fixed switchgear; Or according to the different structure of the cabinet, it can be divided into open switch cabinet, metal closed switch cabinet, and metal closed armored switch cabinet; According to the different voltage levels can be divided into high voltage switchgear, medium voltage switchgear and low voltage switchgear. Mainly applicable to power plants, substations, petrochemical, metallurgical steel rolling, light industry textile, factories and mining enterprises and residentia
Detail
The main function of switch cabinet is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and electric energy conversion. The components in the switch cabinet mainly include circuit breaker, disconnecting switch, load switch, operating mechanism, mutual inductor and various protective devices. There are many classification methods of switchgear, such as the circuit breaker installation can be divided into moving switchgear and fixed switchgear; Or according to the different structure of the cabinet, it can be divided into open switch cabinet, metal closed switch cabinet, and metal closed armored switch cabinet; According to the different voltage levels can be divided into high voltage switchgear, medium voltage switchgear and low voltage switchgear. Mainly applicable to power plants, substations, petrochemical, metallurgical steel rolling, light industry textile, factories and mining enterprises and residential areas, high-rise buildings and other different occasions.
General
1. Rating: Rated voltage 12KV, rated current reach to 630A.
2. Application :mainly applicable in urban power grid construction and renovation project. industrial and mining enterprises.high-rise buildings and communal facilities .For power distribution .controlling and protection on electric equipment as the loop power supply unit or terminal equipment.It also can be installed in preloaded substation
3. Feature: Use SF6 load switch and load switch-fuse combination as main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switch and insulating switch are equipped with hand operating mechanism. With small volume and high security
4. Standard: IEC60420
Working Conditions
1. Ambient air temperature: -15℃~+40℃. Daily average temperature:≤35℃.
2. Altitude: ≤1000m.
3. Relative humidity : Daily average≤95% ,daily averange of vapour pressure≤2.2kpa Monthly average≤90%，monthly averange of vapour pressure≤1.8kpa.
4. Earthquake intensity: ≤magnitude 8.
5. Applicable in the places without corrosive and flammable gas.
Note: Customized products are available.
Structural feature
1. SF6 load switch with insulated enclosure FLN36-13D and FLRN36-12D could be matched in switchgear.
2. Compact design and easy operation.
3. There is a pressure reliefing duct at the rear of the switchgear to protect the operator when a failure occurs in the switchgear.
4. Allocation of the switchgear is changeable.
5. Reliable interlocking at the different making status of the loading switch, earthing switch to ensure the reliable operation.
Main technical paramter
| No. | Item | Unit | Data | ||
| Load switch cabinet | combined electric appliance cabinet (load switch-fuse) | ||||
| 1 | Rated voltage | kV | 12 | 12 | |
| 2 | Rated current of main bus | A | 630 | 630 | |
| 3 | Rated current | A | 630 | 125 | |
| 4 | Rated power | Hz | 50 | 50 | |
| 5 | Rated short time withstands current/time | kV | 20 | ||
| 6 | Rated withstands current(Peak) | kA | 50 | 31.5 | |
| 7 | Rated short circuit breaking current | kA | 80 | ||
| 8 | Rated short circuit closing current | kA | 50 | ||
| 9 | Rated active load breaking current | A | 630 | ||
| 10 | Rated closed loop breaking current | A | 630 | ||
| 11 | Rated cable charging breaking current | A | 10 | ||
| 12 | Earthing switch rated short time withstand current/time | kA | 20 | ||
| 13 | Earthing switch rated peak withstand current | kA | 50 | ||
| 14 | Rated shifting current | A | 1700 | ||
| 15 | Ratedinsulationlevel | 1 min power frequency withstands voltage | kV | Between phases, to earth 42 | To open contact 48 |
| lightening impulse withstands voltage | kV | Between phases, to earth 75 | To open contact 85 | ||
| 16 | The main loop resistance | µΩ | ≤300 | ≤300 | |
| 17 | Mechanical life(Load switch) | times | 2000 | 2000 | |
| 18 | Mechanical life(Earthing switch) | times | 2000 | 2000 | |
| 19 | Auxiliary loop 1 min power frequency withstand voltage | kV | 2 | 2 | |
| 20 | protection level | IP3X | IP3X | ||
