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 XGN15-12(SF6) Unit AC Metal-enclosed Ring Network Switchgear

 XGN15-12(SF6) Unit AC Metal-enclosed Ring Network Switchgear

XGN15-12(SF6) Unit AC Metal-enclosed Ring Network Switchgear

XGN15-12 12kV High voltage eletrical switchgear/sf6 ring main unit switchgear Product Description XGN15-12(SF6) Unit AC Metal-enclosed Ring Network Switchgear (hereinafter called rinf network switchgear) adopts foreign advanced technology and accords
Published in2018-08-03
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Detailed description

XGN15-12 12kV High voltage eletrical switchgear/sf6 ring main unit switchgear

Product Description

XGN15-12(SF6) Unit AC Metal-enclosed Ring Network Switchgear (hereinafter called rinf network switchgear) adopts foreign advanced technology and accords to the demands of the domestic rural and urban network reconstruction. And it is a new generation of high voltage electrical product through independent design and development. All the technical performance meets the standards of IEC62271-200, 2003 and GB3906.

The main switch, operating mechanism and other components of the ring network switchgear adopt original imported ABB equipments or SFL-12 switch equipment which uses original imported parts to assemble  in China. We can also use original imported ABB equipment: SFL type---SF6, circuit breaker or VD4-S type vacuum circuit breaker. Its operation mode can be divided into two kinds: manual and electric.

Cabinet is processed by numerical control machine tool and connected by rivets. Its protection degree is IP3X. It has reliable mechanical interlock and operation function of error preventing. The product has small volume, light weight, beautiful appearance, easy operation, long life, high parameter, no pollution and less maintenance as its extremely remarkable features.

XGN15-12(SF6) Unit AC Metal-enclosed ring network switchgear is used in the power system of AC 50Hz 12kV to receive and distribute power. The main switch in the cabinet is SF6 switch.

Environmental Conditions

1)Suitable Temperature: -15℃~ +40℃

2)Suitable Altitude:≤1000m

3)Relative Humidity: Daily mean≤95%, monthly mean≤90%

4)Gradation of Earthquake Damage:≤Level 8

5)Applicable occasions should be free from corrosives, inflammables and vapor.

Application:

It is used for power supply systems of ring network or radiation system with rated voltage 12kV and rated current 630A or below.It is applicable to install in pre-fabricated substation, mainly used for urban power grid renovation and construction.

Type Designation

Technical Data

Table 1

Rated voltage (kV) 12
Rated frequency (Hz) 50
Rated Current of Main Busbar (A) 630
Maximum Rated Current of Fuse (A) 125
Rated Short-time Withstands Current of Main Loop and Grounding Loop 20, 3 kA/s
Rated Peak Withstand Current of Main Loop and Grounding Loop 50 kA
Rated Short-circuit Closing Current of Main Loop and Grounding Loop 50 kA
Breaking Times of Load switch with  Full Capacity 100 times
Fuse Breaking Current 31.5, 40 kA
Rated Closed Loop Breaking Current 630 A
Rated Transfer Current 1600 A
Mechanical life 2000 times
1min. Power Frequency Voltage (Peak Value)(Phase to Phase and Phase to Earth/Isolating Fracture) 42, 48 kA
Lightning Impluse Withstand Voltage (Peak Value)(Phase to Phase and Phase to Earth/Isolating Fracture) 75, 85 kA
1min. Power Frequency Voltage of Secondary Loop 2 kV
Protection Degree IP3X

Table 2

Specifications of SFL
Rated Voltage 12 kV 17. kV 24 kV
Impulse Withstand Voltage 75 kV 95 kV 125 kV
1min. Power Frequency Withstand Voltage 28 kV 38 kV 50 kV
Rated Current 630 A 630 A 630 A
Closing Capacity 50 kA 50 kA 40 kA
Thermal Stability Current 20.3 kA/s - -
Breaking Capacity 1700 A - -
Maximum Fuse 125 A - -
Polar Distance 210 mm 210 mm 210 mm

NOTE: Special requirements need to be discussed with the manufacturer.

Outer Assemble



Width of Circuit Breaker Cabinet 750 mm
Width of Other Cabinets 375, 500 mm
Height 1600, 1850 mm
Depth 980, 900 mm
Height of Relay Instruments Compartment 450 mm




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