Prefabricated Compact Transformer Substation For Photovoltaic / Wind Power
Service condition
1. Altitude: ≤ 1000m (above sea level)
2. Ambient temperature: Max. 40C Min. -25C
>>Max. Monthly average temperature: ≤ 35C
>>Max. Yearly average temperature: ≤ 25C
3. Relative humidity: Daily average value≤ 95%, monthly average value≤ 90%
4. Max. Daily difference in temperature: 25C
5. Sunlight intensity: 0.1W/CM2 (wind speed 0.5M/S);
6. Outdoor wind speed: ≤ 35m/s;
7. Pollution grade: Grade III;
8. Rain proof grade: Grade 3;
9. The gradient on installation spot shall be not more than 3° ;
10. Ability of anti-earthquake: Horizontal acceleration of ground surface is 0.2g
Vertical acceleration of ground surface is 0.1g;
11. Installation spot: The spot should has no fire/explosion danger/serious pollution/chemical
corrosion and exquisite shake.
*****More information, please freely contact us. Glad to service you.
Reference specification for 12kV
Name |
Item |
Unit |
Parameters |
HV Unit
|
Rated Voltage |
kV |
12 |
Rated Main Busbar Current |
A |
630 |
Rated Short-time Withstand Current
|
kA/s |
25/2 |
Rated Peak Withstand Current |
kA |
63 |
Rated Short-time Making Current |
kA |
63 |
Fuse Breaking Current |
kA |
31.5 40 |
LV Unit |
Rated Voltage |
V |
400 |
Rated Main Circuit Current |
A |
100~4000 |
Rated Limited Short-circuit Breaking Capacity |
kA |
80 |
Rated Operating Short-circuit Breaking Capacity |
kA |
50(65) |
Rated Short-time Withstand Current |
kA/1s |
50(65) |
Branch Current, Compensation Capacity |
|
According to user’s requirements |
Transformer Unit
|
Rated Capacity |
kVA |
30~2000 |
Impedance Voltage |
% |
4 4.5 |
Tapping Range |
% |
±2X2.5 ±5 |
Connection Symbol |
|
Y,yn0 D,yn11 |
Enclosure
|
Protection Level |
|
IP23 ~ IP54 |
Sound Level |
dB |
≤55
|