XGN75-12(Z)Indoor Gas Insulation Metal-Enclosed Switchgear
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- XGN75-12(Z)Indoor Gas Insulation Metal-Enclosed Switchgear
XGN75-12(Z)
General introduction of the product
The gas insulated switchgear designed for installation in transformer substation, industrial plants, and infrastructure& complies the most stringent requirement of
Safety in operation
Staff safety
Operation reliability
Smaller footprints
Reduced maintenance work
The switchgear conforms to IEC 62271-200 and all primary components employed therein are in accordance with the relevant standards.
It is designed to accommodate high performance vacuum circuit breaker (VCB) which has been designed and tested in accordance it IEC62271-100.
The switchgear panels are suitable for the assembly of single &double busbar systems for indoor installation.
Features:-
Reliable
Each compartment is monitored individually has its own pressure relief device
Use of VCB with high number of mechanical&electrical operations
Robust interlocking system
Safety
The primary side components are hermetically enclosed, gas filled compartment and thus insensitive to atmosphere, dirt&dust.
Current transformer are mounted outside the gas compartment&mounted on earthed LV compartment
Space saving
Smaller foot prints
All operations on the switchgear front
Economically efficient
Reduced space surface area requirement
Long service life
Maintenance free gas compartment
Main Technical Data
Item
Unit
Parameter
Rated voltage
kV
12
Rated current
A
630 1250 2000 2500
Rated frequency
Hz
50
Rated power frequency withstand voltage (1min)
Phase to phase,
Phase to earth
kV
28/42*
Insulation Distance
32/48*
Rated Lightning impulse withstand voltage
Phase to phase, Phase to earth
kV
75
Insulation Distance
85
1min power frequency withstand voltage of Auxiliary control circuit
V
2000
Rated short-circuit breaking current (effective value)
kA
25 31.5 40
Rated short time withstand current
kA /s
25/4 31.5/4 40/4
Rated peak withstand current
kA
63 80 100
Rated short-circuit making current
kA
63 80 100
Every phase main return circuit resistance
μΩ
≤250
Rated SF6 gas pressure (20℃)
Mpa
0.045±0.005
Min SF6 gas pressure (20℃)
Mpa
0.03
Annual SF6 gas loss rate
%
≤0.1
Rated voltage of auxiliary control circuit
V
DC110/220,AC220
Degrees of protection
Gas-filled compartment:IP67
Low-voltage compartment:IP4X
Dimensions (Width×Depth×Height)
mm
500 ×1000×1850
* GB Standard
- 12KV GIS 12KV SWITCHGEAR 12KV indoor switchgear 12kv indoor GIS