Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000 PCS/year |
| Delivery Time | 30 work days |
| Packaging Details | Nude |
| Altitude | up to 1, 000m Above Sea Level |
| Enclosure Material | Cold rolled steel plate/stainless Steel Plate/aluminium alloy plate/composite color plate/cement plate strengthened by glass fibre |
| Special Conditions | Depends on The Customer |
| Insulation Oil | High Quality Grade Mineral Oil |
| Frequency | 50Hz |
| Warranty | 10 Years |
| Brand Name | Tianan Electric |
| Model Number | ZBW1-12 |
| Certification | CQC |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 5000 PCS/year |
| Delivery Time | 30 work days | Packaging Details | Nude |
| Altitude | up to 1, 000m Above Sea Level | Enclosure Material | Cold rolled steel plate/stainless Steel Plate/aluminium alloy plate/composite color plate/cement plate strengthened by glass fibre |
| Special Conditions | Depends on The Customer | Insulation Oil | High Quality Grade Mineral Oil |
| Frequency | 50Hz | Warranty | 10 Years |
| Brand Name | Tianan Electric | Model Number | ZBW1-12 |
| Certification | CQC | Place of Origin | CHINA |
| High Light | oil immersed distribution transformer ，power distribution substation | ||
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 Unit | Rated Voltage | kV | 12 | ||
| Rated Frequency | Hz | 50 | |||
| Rated Main Busbar Current | A | 630 | |||
| 1min Power Frequency Withstand Voltage To Earth, Between Phases/to open gap | kV | 42/48 | |||
| Lightning Impulse Withstand Voltage to Earth and Between Phases/ to open gap | 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 | |||
| Fuse Breaking Current | kA | 31.5/40 | |||
| LV Unit | Rated Voltage | V | 400 | ||
| Main Circuit Rated Current | A | 100~4000 | |||
| Rated Limit 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 users’ requirements | ||||
| Transformer Unit | Rated Capacity | kVA | 30~2000 | ||
| Resistance Voltage | % | 4/ 4.5 | |||
| Tapping Range | % | ±2X2.5； ±5 | |||
| Connected Group | Y,yn0； D,yn11 | ||||
| Case | Protection Level | IP23 | |||
| Sound Level | dB | ≤50 | |||
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
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