Tel: +86-15876591363
Email: Tony@aputon-transformer.com
2024-08-02 17:24:22
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As the demand for electricity continues to surge and power grids expand, the need for efficient and reliable transformers has become more critical than ever. Oil-immersed transformers, in particular, are essential for ensuring stability, longevity, and efficiency in various applications. Their ability to manage high load conditions and maintain optimal performance makes them indispensable in the power industry.
Aputon offers a significant addition to their product lineup: seven 1250 kVA American-style oil-immersed power transformers, compliant with ANSI standards. These transformers have undergone stringent factory inspections, with all performance indicators aligning with international benchmarks. Now in stock and ready for deployment, they are poised to enhance power infrastructure across diverse projects.
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We have deliberately selected 25# transformer oil with a pour point of -25°C to guarantee steady operation of the transformers in low-temperature situations. Excellent insulating, chemical stability, and cooling properties characterize this premium transformer oil. It effectively reduces internal discharge and overheating, extending the transformer's service life.

1. High-Efficiency Design:
Utilizing the latest design technologies and materials, these transformers achieve higher efficiency and lower energy consumption. This aligns with the strict efficiency requirements for transformers in American standards (such as the IEEE C57 series).
2. Excellent Cooling Performance:
Employing the ONAN (Oil Natural Air Natural) cooling method, these transformers maintain stable operating temperatures even under high load conditions. The standard cooling system design effectively extends the transformer's service life.
3. Highly Reliable Insulation System:
The transformers use high-quality insulation materials and advanced manufacturing processes, resulting in superior insulation performance. They can withstand power frequency withstand tests up to 45 kV, ensuring reliability and safety in harsh environments.
4. Multi-Tap Voltage Regulation:
These transformers feature multiple high-voltage taps, allowing flexible voltage adjustment to meet various power requirements and supply environments. With a rated high voltage of 13.2 kV and low voltage of 0.4 kV, they can satisfy a wide range of industrial and commercial applications.
| Parameter | Value |
| Capacity | 1250 kVA |
| Rated High Voltage | 13.2/0.4 kV |
| Impedance | 6.31% |
| Phase | Three-phase |
| Connection Group | Dyn11 |
| Rated Frequency | 60 Hz |
| Insulation Temperature | 65°C |
| Top Oil Temperature | 60°C |
| Insulation Level | AC45 kV |
| Core Weight | 1694 kg |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Oil Weight | 819 kg |
| Total Weight | 1897 kg |
This is the High Voltage Room of the transformer.
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This is the Low Voltage Room of the transformer.
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Aputon's 1250 kVA oil-immersed transformers are engineered to meet the diverse and demanding requirements of various sectors. These transformers offer a reliable power supply to factory workshops and production lines, making them perfect for medium-sized and small industrial businesses. Large commercial buildings can also benefit from their use, as they guarantee power security for necessary equipment like elevators, air conditioning, and lighting. These transformers provide dependable power for everyday operations in public buildings such as schools, hospitals, and sports complexes. They can also benefit residential areas by supporting the electrical requirements of numerous apartment complexes by serving as the primary transformer for substations. The large capacity and sturdy design of Aputon's transformers make them an ideal choice for improving electrical infrastructure in a variety of applications.
1. Medium and Small Industrial Enterprises:
Ideal for providing stable power supply to factory workshops and production lines, such as in machining, electronic manufacturing, and light industrial production.
Capable of meeting the electricity needs of approximately 3,000-5,000 square meters of factory space, depending on the power of the equipment and the electrical load.
2. Commercial Buildings:
Provides power security for large commercial buildings such as shopping malls, hotels, and office buildings, supporting electricity needs for lighting, air conditioning, elevators, and other equipment.
Sufficient for about 2,000-3,000 square meters of commercial space, depending on the type of building and the electrical load.
3. Public Facilities:
Suitable for hospitals, schools, sports complexes, and other public places, ensuring reliable power supply for daily operations.
Meets the electricity demands of approximately 1,000-2,000 people, depending on the size of the facility and the electrical load.
4. Residential Communities:
Can serve as the main transformer for a residential area substation, supplying power to multiple apartment buildings.
Supports the electricity needs of about 500-800 households, varying with residential type and usage habits.
Discover the 1250 kVA oil-immersed transformers from Aputon's exceptional performance and dependability, and improve your power infrastructure with state-of-the-art technology.