Payment & Shipping Terms:
|Mechanical:||2000 Times||Typical Products:||Zbw|
oil immersed distribution transformer,
packaged transformer substation
12kv Zbw series Prefabricated Compact Transformer Substation with 3 Phase Transformers
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.
|High Voltage Part||Rated voltage||kV||12|
|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|
|Impedance voltage||%||4 4.5|
|Tapping range||%||±2×2.5 ±5|
|Connection symbol||Y, yn0 D, yn11|
|Case||Protection level of enclosure||IP23|
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.
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.
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