12KV Outdoor Combined Compact Prefabricated Transformer Substation

Brand Name:Tianan Electric
Certification:CQC
Model Number:ZBW1-12
Minimum Order Quantity:1 unit
Delivery Time:30 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Verified Supplier
Location: Ningbo Zhejiang China
Address: 3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040
Supplier`s last login times: within 25 hours
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Product Details

12KV Combined Compact Prefabricated Transformer Substation IP55


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.

****Customer should negotiate with manufacturer if the service condition is different from above.


Features


a. The frame of substation is made of groove steel and angle steel which are antiseptic, so it is tough enough mechanically and rigidly.

b. Materials of the enclosure can be cold rolled steel plate, stainless steel plate, aluminum alloy plate, composite color plate.

c. The chambers of substation are divided into separate small chambers by steel plate, small chambers can be arranged in many forms such as Chinese character “eye” and ”rank”.

d. In order to monitoring and maintaining conveniently, transformer room, HV room and LV room are all equipped with lighting device.

e. The substation cover is designed as two-layer, it can prevent thermal radiation and increasing indoor temperature.

f. The transformer adopts natural ventilation mainly, when the temperature exceeds setting value, the axial flow fan on the top will start automatically to control the transformer room temperature.

g. All rotational connect parts are equipped with sealing device for good damp proof capacity.

h. Perfect protective performance, convenient operation, there are complete “five prevention” function on HV side to ensure the safety of maintenance.

i. Compact structure, beautiful appearance, it can coordinate with ambient environment.


Items

Unit

Parameters

HV UnitRated VoltagekV12
Rated FrequencyHz50
Rated Main Busbar CurrentA630
1min Power Frequency Withstand Voltage To Earth, Between Phases/to open gapkV42/48
Lightning Impulse Withstand Voltage to Earth and Between Phases/ to open gapkV75/85
Rated Short-time Withstand CurrentkA/s25/2
Rated Peak Withstand CurrentkA63
Rated Short-time Making CurrentkA50
Fuse Breaking CurrentkA31.5/40
LV UnitRated VoltageV400
Main Circuit Rated CurrentA100~4000
Rated Limit Short-circuit Breaking CapacitykA80
Rated Operating Short-circuit Breaking CapacitykA50(65)
Rated Short-time Withstand CurrentkA/1s50(65)
Branch Current, Compensation CapacityAccording to users’ requirements
Transformer UnitRated CapacitykVA30~2000
Resistance Voltage%4/ 4.5
Tapping Range%±2X2.5; ±5
Connected GroupY,yn0; D,yn11
CaseProtection LevelIP23
Sound LeveldB≤50
China 12KV Outdoor Combined Compact Prefabricated Transformer Substation supplier

12KV Outdoor Combined Compact Prefabricated Transformer Substation

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