Payment & Shipping Terms:
|Altitude:||Up To 3, 000m Above Sea Level||Insulation Medium:||SF6|
24kv Gis Gas Industrial Electrical Switchgear Indoor (XGN49-24)
XGN49 Series lndoor Gas lnsulatlon MetaI-clad Switchgear(hereinafter called C-GlS)is a high quality product which the China power industry federation sole recommends technology from Korea Rijin electrical equipment industry corporation and it meets Chinese standards of GB/T11022-1999 and GB3906-2006C-GlS.
The DXG-40.5(Z) GIS is suitable for power plant, substation, combined substation and electric power system, which is three phase indoor AC single busbar and sectioning single busbar with 50Hz, 35kV rated voltage, used to control, accept and distribute electric power.
Service ambient condition:
Air temperature: Max: +40, Min: -25 (average is not more than 35 in 24 hours)
Altitude above sea level: <= 3000m
Air humidity: The average relative humidity measured in 24 hours is not more than 95%, the average relative humidity per month is not more than 90%, average water vapor pressure measured in 24 hours is not more than 2.2kPa, average water vapor pressure per month is not more than 1.8 kPa.
Without frequent heavy vibration
The range of induction electromagnetic interference of secondary system is not more than 1.6kV
Conditions excluded from above are in need of negotiating with the manufacturer.
Please provide these following materials while ordering:
A. Scheme number of major loop and single wire system diagram, pareto diagram;
B. Layout wiring diagram of secondary loop, terminal pareto diagram;
C. Type, specification, quantity of electric components inside the switchgear;
D. If without any request for the material and specification of busbar from customers, they come up with manufacturer'requirement;
E. If the switchgear is used in special environmental condition, it should be marked while ordering;
F. If without any request, the switchgear colour is up to the manufacturer'standards;
G. Stored energy, control, voltage of signal power supply of the auxiliary circuit;
H. Usage of each side of GIS;
I. Variety and quantity of spare parts and accessories needed.
|2||Rated current||A||630 1250 2000 2500|
|4||Rated power frequenecy withstand voltage (1 min)|
|5||Phase to phase, phase to earth||kV||65|
|7||Rated ligtning impulse withstand voltage|
|8||Phase to phase, phase to earth||kV||125|
|10||Power frequency withstand voltage of auxiliary
control circuit (1 min)
|11||Rated short-cricuit breaking current (rms)||kA||20 25 31.5|
|12||Rated short-circuti making current||kA||50 63 80|
|13||Rated short time withstand current||kA/s||20/4 25/4 31.5/4|
|14||Rated peak withstand current||kA||50 63 80|
|15||Degree of protection||Gas-filled compartment : IP67
LV compartment: IP4X
|16||Every phase amin return circuit resistance||uΩ||<250|
|17||Rated SF6 gas pressure (20ºC)||Mpa||0.05|
|18||Min SF6 gas pressure (20ºC)||Mpa||0.03|
|19||Annual SF6 gas loss rate||%||<0.5|
|20||Rated voltage of auxiliary control circuit||V||DC 110/220