Visión general
XGN15-12/24/36 Air Insulated RMU (Fixed Type), used in rated voltage 12/24/36kV, rated current 630A and below the ring power supply or radiation power supply system, especially suitable for pre-installed substation as a power system control and protection. This product is equipped with FLN36-12D type sulfur hexafl uoride load switch or FLRN36-12D type load switch and disintegrator combination electrical appliances, with small size, light weight, easy operation, light operation force, reliable interlock, maintenance-free and other characteristics, is a new generation of high voltage switchgear required for urban power grid transformation and construction.
This product complies with: GB3906 “3~35kV AC metal enclosed Switchgear”, GB/T11022 “High voltage switchgear and control equipment standard common technical requirements”, IEC298 “rated voltage above 1kV 50kV and below AC metal enclosed switchgear and control equipment”, DI/T404 “Indoor AC high voltage switch cabinet ordering technical specifi cations” standard.
Modelo Significado
X |
G |
N |
15 |
– |
12/24/36 |
(F.R) |
↓ |
↓ |
↓ |
↓ |
|
|
|
Box type |
Stationary |
Interior |
Número de secuencia del diseño |
|
Tensión nominal |
Load switch-breaker combination appliance |
Normal Service Condition
1 Ambient air temperature: -15℃ ~+40℃ ;
2 Altitude: 1000m and below;
3 Humidity conditions:The daily average value is not more than 95%, and the daily average water vapor pressure is not more than 2.2kPa; The monthly average value is not more than 90, and the monthly average water vapor pressure is not more than 1.8kPA.
4 Earthquake intensity: not more than 8 degrees;
5 There is no obvious pollution such as turbid or combustible gas.
Note: When the above normal conditions of use are exceeded, the user can negotiate with the company.
XGN15-12/24/36 RMU con aislamiento de aire (tipo fijo)
Sr.No. |
Description |
Unidad |
Value |
1 |
Rated voltage(Ur) |
kV |
12 |
24 |
36 |
2 |
Rated current(Ir) |
A |
630 |
630 |
630 |
3 |
Rated frequency(fr) |
Hz |
50 |
50 |
50 |
4 |
Rated short-time power-frequency withstand voltage/1min
(phase-to-phase &to-earth/across the isolating distance) |
kV |
28/32 |
50/60 |
70/80 |
5 |
Rated lightning impulse withstand voltage
(phase-to-phase &to-earth/across the isolating distance) |
kV |
75/85 |
125/145 |
170/195 |
6 |
Corriente nominal de corta duración |
kA/s |
45741 |
45736 |
45673 |
7 |
Corriente nominal de pico soportada |
kA |
62.5 |
50 |
40 |
8 |
Rated short-circuit making current |
kA |
62.5 |
50 |
40 |
9 |
Rated transfer breaking current |
A |
1700 |
1400 |
630 |
10 |
Rated closed-loop breaking current |
A |
630 |
630 |
630 |
11 |
Maximum rated current of the fuse |
A |
200 |
200 |
63 |
12 |
Main switch Mechanical endurance |
ops |
M2(5000) |
M2(5000) |
M1(1000) |
13 |
Earthing switch |
ops |
M1(2000) |
M1(2000) |
MO(1000) |
14 |
Electrical endurance |
1 |
Class E3 |
Class E3 |
Class E3 |
15 |
IAC class |
1 |
A-FLR
20kA/1s
25kA/1s |
A-FLR
16kA/1s
20kA/1s |
A-FLR
16kAV1s |
16 |
Degree of protection |
1 |
IP4X |
P4X |
IP4X |