AIS Switchgear
KXHXGN-12 type AIS Switchgear produced by KEXR, a power transmission and distribution equipment supplier in China, is a 12kV gas-insulated ring network cabinet (C-GIS) with environmental protection gas (such as dry air, nitrogen or mixed gas) as insulation medium, which is suitable for ring network power supply, terminal power supply and small-scale opening and closing stations of distribution networks.
Model: KXHXGN-12
Brand：KEXR
Model: KXHXGN-12
Brand：KEXR
● Main feature of AIS Switchgear
(1) Environmental protection advantages
◆Free SFgas: AIS Switchgear adopts dry air, nitrogen or new environmental protection gas (such as G, AirPlus®, etc.) are used, which is in line with EU F-Gas regulations and China's "double carbon" policy.
◆Low carbon emission: Compared with SF ring network cabinet, GWP (Global Warming Potential) approaches zero.
(2) Structural design
◆Modular design: The AIS Switchgear unit of incoming line, outgoing line, metering and PT can be expanded.
◆Enclosed structure: The protection level of AIS Switchgear reaches IP67, which is dustproof, moisture-proof and condensation-proof, suitable for harsh environment.
◆Compact size: it saves space than AIS ring network cabinet and is more environmentally friendly than traditional SF₆ GIS.
(3) Intelligent options
Intelligent monitoring (such as DTU, online temperature measurement, partial discharge monitoring, etc.) can be selected to support Internet of Things (IoT) access and realize remote operation and maintenance.
● Technical Parameters of the AIS Switchgear
◆ Circuit breaker Cabinet
|
Item |
Unit |
Data |
|||
|
Rated Voltage |
KV |
12 |
|||
|
Rated Frequency |
HZ |
50 |
|||
|
Rated insulate level |
1Min working frequency withstand Voltage |
To groud，phase to phase |
KV |
42 |
|
|
Break |
48 |
||||
|
Lighting impulse withstand voltage（peak） |
To groud，phase to phase |
KV |
75 |
||
|
Break |
85 |
||||
|
1min power frequency withstand voltage of auxiliary/control circuit (to ground) |
KV |
2 |
|||
|
Rated Current |
A |
630 |
|||
|
Rated short-term withstand current（virtual value） |
Main circuit/Earthing switch |
kA |
25/4s |
||
|
Earthing circuit |
kA |
21.7/4s |
|||
|
Rated peak withstand current |
Main circuit/Earthing switch |
kA |
63 |
||
|
Earthing circuit |
kA |
54.5 |
|||
|
Rated short circuit break current and times |
kA/Time |
25/30 |
|||
|
Rated short circuit closing current (peak) |
kA |
63 |
|||
|
Rated cable charging break current |
A |
25 |
|||
|
Rated operating sequence of the breaker O-0.3s-CO-180s-CO |
|
|
|||
|
Mechnical life |
Breaker /Disconnector |
Time |
10000/3000 |
||
|
IP degree |
Sealed box |
|
IP67 |
||
|
Swichgear shell |
|
IP4X |
|||
|
Gas pressure |
Rated gas charging level (20℃, gauge pressure) |
Mpa |
0.02 |
||
|
Rated gas Min fuction level (20℃, gauge pressure) |
Mpa |
0 |
|||
|
Sealing performance, |
Annual leakage rate |
%/Year |
≤0.05 |
||
◆Load switch cabinet
|
Item |
Unit |
Data |
|||
|
Rated Voltage |
KV |
12 |
|||
|
Rated Frequency |
HZ |
50 |
|||
|
Rated insulate level |
1Min working frequency withstand Voltage |
|
KV
|
|
|
|
|
|
||||
|
Lighting impulse withstand voltage（peak） |
|
KV
|
|
||
|
|
|
||||
|
1min power frequency withstand voltage of auxiliary/control circuit (to ground) |
KV |
2 |
|||
|
Rated Current |
A |
630 |
|||
|
Rated short-term withstand current（virtual value） |
Main circuit/Earthing switch |
KA |
25/4s |
||
|
Earthing circuit |
KA |
21.7/4s |
|||
|
Rated peak withstand current |
Main circuit/Earthing switch |
KA |
63 |
||
|
Earthing circuit |
KA |
54.5 |
|||
|
Rated short circuit closing current (peak) |
Load switch/Earthing switch |
KA |
63 |
||
|
Rated active load interrupting current |
A |
630 |
|||
|
Rated closed-loop interrupting current |
A |
630 |
|||
|
5% Rated active load interrupting current |
A |
31.5 |
|||
|
Rated cable charging break current |
A |
10 |
|||
|
Rated active load break times |
Time |
100 |
|||
|
Ground fault current breaking |
A/Time |
31.5/10 |
|||
|
The charging current of lines and cables is disconnected under the condition of ground fault. |
A/Time |
17.4/10 |
|||
|
Mechnical life |
Breaker /Disconnector |
A/Time |
10000/3000 |
||
|
IP degree |
Sealed box |
|
IP67 |
||
|
Swichgear shell |
|
IP4X |
|||
|
Gas pressure |
Rated gas charging level (20℃, gauge pressure) |
Mpa |
0.02 |
||
|
Rated gas Min fuction level (20℃, gauge pressure) |
Mpa |
0 |
|||
|
Sealing performance, |
Annual leakage rate |
%/Year |
≤0.05 |
||
● Implementation standard of the AIS Switchgear
◆ Common technical requirements of GB/T 1022 standards for high-voltage switchgear and controlgear. ◆ GB/T39063640.5kV AC metal enclosed switchgear and control equipment.
◆ GB/T1985 High-voltage AC isolating switch and grounding switch
◆ GB/T38043.6-40.5kV AC high-voltage load switch
◆ GB/T1984 High-voltage AC circuit breaker
◆ GB/T4208 IP code of shell protection level
◆ GB/T7354 Partial Discharge Measurement
◆ GB/T311.1 Insulation coordination Part 1: Definition, principles and rules
● Using conditions of the AIS Switchgear
◆ Maximum temperature: +45 degrees Celsius;
◆ Minimum temperature: -25 degrees Celsius;
◆ Maximum temperature: (24-hour average) +35 degrees Celsius;
◆ Maximum average relative humidity (24 hours 1: ≤ 95%; Altitude: ≤ 1500m; Seismic capacity: 8 degrees;
◆ Protection grade: charged body seal IP67, switch cabinet shell IP4x；
◆ The surrounding air should not be obviously polluted by corrosive combustible gas and water vapor.
◆ There is no frequent violent vibration place, and the harshness design under harsh parts meets all kinds of requirements.
◆ When it is used under normal environmental conditions beyond GB/T3906, the user shall negotiate with KEXR
●Installation instructions
Hot Tags: AIS Switchgear
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Address
No.228 Weishiqi Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province, China
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