HXGN15-12 High-Voltage switchgear metal-clad AC ring main unit

HXGN15-12 High-Voltage switchgear metal-clad AC ring main unit

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

ItemUnitParameter
Rated voltagekV10
Highest working voltagekV12
Rated frequencyHz50/60
Main busbar rated currentA630
Main loop, earthing loop rated short time withstand currentkA/s20/3
Main loop, earthing loop rated peak withstand currentkA50
Main loop, earthing loop rated short circuit making currentkA50
Load break switch full capacity breaking timeTimes100
Fuse breaking currentkA31.5-50
Mechanlcal lifeTimes2000
Rated transfer currentA1700
1min P.F. Withstand (virtral value), phase to phase, earth / across open contactskV42/48
Lightning impulse withstand voltage (peak) phase to phase, earth / across open contactskV75/85
Secondary loop 1min P.F. WithstandkV2
Protection degreeIP3X

 

Outline and dimension

Width of circuit breaker panelmm750
Other width of panelmm375/500
Heightmm1600/1850
Depthmm980
Height of LVcasemm450