HXGN15-12 High-Voltage switchgear metal-clad AC ring main unit is a new HV apparatus which introduced from abroad and accord with the requirement of rural distribution and city distribution in nation. Main switch, operation mechanism and component use the SFL-12 model SF6 switch equipment produced by ABB company or FLN36-12D model SF6 switch eq uipment produced by our company. Also can use the HAD/US model SF6 circuit breaker or VD4-S model vacuum circuit breaker produced by company ABB according to requirement of customer operation type is manual and motor.
Overview
HXGN15-12 High-Voltage switchgear metal-clad AC ring main unit is a new HV apparatus which introduced from abroad and accord with the requirement of rural distribution and city distribution in nation. Main switch, operation mechanism and component use the SFL-12 model SF6 switch equipment produced by ABB company or FLN36-12D model SF6 switch eq uipment produced by our company. Also can use the HAD/US model SF6 circuit breaker or VD4-S model vacuum circuit breaker produced by company ABB according to requirement of customer operation type is manual and motor.
Usage environment
1. Ambient temperature: -25 ~+40;
2. Altitude: 1000m;
3. Relative humidity: daily average 95%, monthly average 90%;
4. Occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration, without strong shake.
Model Meaning
Product feature
Panel structure: The panel body is enclosed by 2 mm aluminium-zinc plated steel plate after multi-bending. It is simple, firm, delicate and peculiar.
1. Busbar compartment
The busbar compartment is located in the top and connect with neighboring panel.
2. Load break switch is a separated unit with SF6 gas.
3. Cable compartment
Approximate 75% room for connecting cable and installing fuse, earthing switch and PT.
4. Mechanism chamber and interlock
The chamber consis ts of operating mechanism, mechanism interlock, position indicator, auxiliary contact trip coil, power indicator and interlock.
5. LV chamber
LV compartment is located in the top. It mainly user for installing instrument, relay and motor.
6. Circuit breaker compartment
The circuit breaker (SF6 or Vacuum) is located below load break switch.
Technical parameters
| Item | Unit | Parameter |
| Rated voltage | kV | 10 |
| Highest working voltage | kV | 12 |
| Rated frequency | Hz | 50/60 |
| Main busbar rated current | A | 630 |
| Main loop, earthing loop rated short time withstand current | kA/s | 20/3 |
| Main loop, earthing loop rated peak withstand current | kA | 50 |
| Main loop, earthing loop rated short circuit making current | kA | 50 |
| Load break switch full capacity breaking time | Times | 100 |
| Fuse breaking current | kA | 31.5-50 |
| Mechanlcal life | Times | 2000 |
| Rated transfer current | A | 1700 |
| 1min P.F. Withstand (virtral value), phase to phase, earth / across open contacts | kV | 42/48 |
| Lightning impulse withstand voltage (peak) phase to phase, earth / across open contacts | kV | 75/85 |
| Secondary loop 1min P.F. Withstand | kV | 2 |
| Protection degree | IP3X |
Outline and dimension
| Width of circuit breaker panel | mm | 750 |
| Other width of panel | mm | 375/500 |
| Height | mm | 1600/1850 |
| Depth | mm | 980 |
| Height of LVcase | mm | 450 |
