12kv Zbw series Prefabricated Compact Transformer Substation with 3 Phase Transformers
Service condition
1. Altitude: ≤ 1000m (above sea level)
. 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.
Technical parameters
| |
Items |
Unit |
Parameters |
| High Voltage Part |
Rated voltage |
kV |
12 |
| Rated frequency |
Hz |
50 |
| Rated current of main busbar |
A |
630 |
| 1mm power frequency withstand voltage (to earth and between phases/disconnecting fracture) |
kV |
42/48 |
| Lightning impulse withstand voltage (to earth and between phases/disconnecting fracture) |
kV |
75/85 |
| Rated short time withstand current |
kA/s |
25/2 |
| Rated peak withstand current |
kA |
63 |
| Rated short time making current |
kA |
50 |
| Rated transfer current |
A |
1500 |
| Breaking current of fuse |
kA |
31.5 40 |
| Low Voltage Part |
Rated voltage |
V |
400 |
| Rated current of main circuit |
A |
100-4000 |
| Rated limiting short circuit breaking ability |
kA |
80 |
| Rated operating short circuit breaking ability |
kA |
50 (65) |
| Rated short time withstand current |
kA/1s |
50 (65) |
| Branch current,compensating capacity |
According to requirements of users |
| Transformer |
Rated capacity |
kVA |
30-2000 |
| Impedance voltage |
% |
4 4.5 |
| Tapping range |
% |
±2×2.5 ±5 |
| Connection symbol |
Y, yn0 D, yn11 |
| Case |
Protection level of enclosure |
IP23 |
| Sound level |
dB |
≤50 |
Note: The parameters are taken from HXGN26-12 High Voltage Switchgear, TANW1 Series Intelligent Circuit Breaker and S9-M Oil Type Transformer which are produced by our company.
Services
1.Various special requirement from customer or typical specification .
2.Competitive price (Real factory ).
3.Excellent quality control.
4.Good service and after sales.
5.In time delivery.
6. Manufacturing after drawings approved.
Product Tags:
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12kV Zbw series Prefabricated Compact Transformer Substation with 3 Phase Transformers Images
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