Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | L/C,T/T,D/P,D/A |
| Supply Ability | 2000 Sets Per Year |
| Delivery Time | 45 working days |
| Packaging Details | Pallet |
| Rated Voltage | 13.8/0.4 kV |
| Rated capacity | 2500 kVA |
| Tapping range | ±2x2.5% |
| Rated current | 104.6/3608.5 A |
| Rated frequency | 60 Hz |
| Insulation class | A |
| Standard | IEEE C57.12 |
| Cooling method | ONAN |
| Brand Name | TIANAN Electric |
| Model Number | YBT13（ZBW） |
| Certification | GB17467-2010， IEC62271 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T,D/P,D/A | Supply Ability | 2000 Sets Per Year |
| Delivery Time | 45 working days | Packaging Details | Pallet |
| Rated Voltage | 13.8/0.4 kV | Rated capacity | 2500 kVA |
| Tapping range | ±2x2.5% | Rated current | 104.6/3608.5 A |
| Rated frequency | 60 Hz | Insulation class | A |
| Standard | IEEE C57.12 | Cooling method | ONAN |
| Brand Name | TIANAN Electric | Model Number | YBT13（ZBW） |
| Certification | GB17467-2010， IEC62271 | Place of Origin | CHINA |
| High Light | packaged transformer substation ，power distribution substation | ||
The ZGSL-H-2500/13.8-0.4 American Style Pad-Mounted Transformer is a three-phase oil-immersed pad-mounted transformer designed for outdoor installation on a concrete pad. It has a rated capacity of 2500 kVA, voltage ratings of 13.8 kV / 0.4 kV, and a frequency of 60 Hz. It is suitable for outdoor power distribution applications in 60 Hz power systems, particularly in North American markets.
| Test Item | Test Result | Standard Requirement |
|---|---|---|
| Insulation Resistance | >2.5 GΩ | -- |
| Voltage Ratio Error | < ±0.5% | ≤ ±0.5% |
| Winding Resistance Unbalance (HV side) | 0.29% | ≤2% |
| No-Load Loss | 270 W | -- |
| Impedance Voltage | 4.70% | -- |
| Load Loss | 19828 W | -- |
| Transformer Oil Breakdown Voltage | 55.2 kV | -- |
A: A pad-mounted transformer is an American-style outdoor distribution transformer installed on a concrete pad at ground level. It is not buried underground. It features high protection等级, a low-profile design, and a walkable top surface.
A: The rated capacity is 2500 kVA, with a high voltage side of 13.8 kV and a low voltage side of 0.4 kV, making it suitable for medium-capacity distribution systems.
A: The cooling method is ONAN (Oil Natural Air Natural), which relies on natural convection of the oil for heat dissipation. No additional fans or pumps are required, resulting in quiet operation and simple maintenance.
A: It is widely used in urban distribution networks, industrial parks, commercial complexes, photovoltaic power plants, wind farms, airports, ports, and residential communities where outdoor pad-mounted installation is required.
A: Yes. The transformer has been tested in accordance with the IEEE C57.12 standard. All test items including insulation resistance, voltage ratio, winding resistance, no-load loss, withstand voltage, and oil quality have met the requirements. It comes with a Certificate of Conformity.
A: The insulation class is Class A, and the rated frequency is 60 Hz, specifically designed for 60 Hz power systems.
A: The total weight is 5618 kg, including 1310 kg of transformer oil (oil grade: 25#).
A: Yes. The tapping range is ± 2×2.5%, providing 5 tap positions to flexibly accommodate grid voltage fluctuations.
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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