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Yangzhou Ke Yu Electric Power Co., Ltd.

Address: No. 97, Zhongxin Road, Automobile Industrial Park, Yizheng City, Yangzhou City
Phone: 0514-87520111

E-mali:keyudl09@126.com
Website: www.keyudl.com

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KXGN-12 inflatable full sealed fully insulated switchgear (ring type cabinet, switch cabinet)

KXGN-12 inflatable full sealed fully insulated switchgear (ring type cabinet, switch cabinet)

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General introduction
KXGN type full sealed full insulated ring network switch equipment (short for gas tank) is a new generation of modular switch equipment designed and developed by our company in combination with the characteristics of domestic and foreign products. In the same gas box, there are 6 buses (no line and outlet) units that can be configured at most. Each unit has its own function. When the system requires more than 6 units, two or more than two gas boxes can be connected in the form of extended bus bars. Each gas box can be arbitrarily extended on the left and right sides, and can be arranged arbitrarily according to different design schemes, so as to realize different configuration requirements.
The air box of KXGN inflatable cabinet is made of stainless steel plate, which is manufactured by advanced laser cutting and automatic manipulator welding technology. The protection level of the inflatable box reaches IP67. SF6 gas is filled in the box, and the tightness of the gas box is ensured by synchronous vacuum pumping and helium leak detection. The load switch, grounding switch, fuse insulation cylinder and vacuum arc extinguishing chamber are all sealed in the stainless steel gas box. The explosion proof diaphragm at the bottom of the gas box is equipped with an explosion-proof diaphragm. When the switch is abnormal and the air pressure in the gas box exceeds a certain value, the explosion-proof pressure can be released from the lower explosion proof port, so as to effectively prevent the damage of the high-pressure gas to the others, the cable and the rest of the switch equipment in the substation.
KXGN inflatable cabinet has the advantages of compact structure, full closed, full insulation, long life, maintenance free, small space occupation, safe and reliable, and not affected by the working environment, etc., and it is widely used in industrial and civil ring and terminal power supply. It is especially suitable for small two power distribution stations, open and close stations, industrial and mining enterprises, airports, railways, commercial areas, high-rise buildings, highways, subways, tunnels and other fields。
 

Citation standards
GB/T11022
GB3906
GB3804
GB16926
GB1985
GB/T11023
GB/T1984
IEC60265

 

Model Description

 

Technical Parameters

parameter name

unit

C module

F module

V module

Load switch

Combination of electrical appliances

breaker

breaker

Rated voltage

kV

12

12

12

12

Rated frequency

Hz

50

50

50

50

Rated current

A

630

125

630

1250

Rated cable charging breaking current

A

20

20

 

 

Rated short-circuit current (peak)

kA

50

Depends on the fuse

50

40

63

50

Rated short-circuit breaking current

kA

 

Depends on the fuse

20

16

 

 

Rated short-time withstand current

kA

20

 

20

16

25

20

Rated short-time withstand current duration (main network)

s

4

 

4

4

4

4

Rated short-time withstand current duration (ground return)

s

2

 

 

 

Rated breaking transfer current

A

 

1600

 

 

Rated short time (1min) power frequency withstand voltage

Relatively

kV

42

42

42

42

Off

kV

48

48

48

48

Rated lightning
Shock withstand voltage

Relatively

kV

75

75

75

75

Off

kV

85

85

85

85

Mechanical life

Times

5000

5000

5000

10000

Earthing switch mechanical life

Times

≥3000

≥3000

≥3000

≥3000

SF6 pressure in the sealed box (gauge pressure)

MPa

0.035-0.040

0.035-0.040

0.035-0.040

0.035-0.040

SF6 gas annual leakage rate

 

≤0.02%

≤0.02%

≤0.02%

≤0.02%

 

Use environment
1. Altitude ≤ 1500 meters (When the equipment is used at an altitude of more than 1,500 meters, it should be specified when ordering.)
2. Adapt to the ambient temperature -40 ℃ ~ +70 ℃ (When the equipment used in lower temperature place, when ordering special instructions.)
3. Ground inclination ≤ 5 °
Earthquake intensity ≤8 °
5. Installation site no fire, explosion hazard, chemical corrosion and severe vibration

 

Structure chart

 

 

 

 

Installation dimensions

Note: The specific project product size to the actual delivery
 

Cabinet plan map

Program cited

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