Home > ZGSL North American Style Renewable Energy Oil Immersed Transformer (225-5000 kVA)
Product Overview:
Specifically engineered to integrate with the 60Hz North American power grid, this high-performance oil immersed power transformer is the ultimate solution for renewable energy projects, including solar PV farms, wind generation, and energy storage systems (BESS). With an expanding capacity range of 225 to 5000 kVA, it efficiently bridges low-voltage generation with 15kV, 25kV, or 34.5kV distribution networks.
Built to strict IEEE specifications, this transformer features a highly compact, tamper-resistant, and fully sealed structure. It leverages advanced robotic manufacturing, 45° mitered step cores, and high flash point insulating oils to deliver safe, maintenance-free, and hyper-reliable performance in demanding outdoor utility environments across North America.
Key Advantages:
• Fully compliant with IEEE C57.12 standards
• Compact, fully insulated, and tamper-resistant sealed design
• Automated 45° mitered core stacking for ultra-low noise and losses
• Foil-wound low voltage coils for exceptional short-circuit withstand
• Environmentally friendly, high flash point insulation fluid
| TECHNICAL PARAMETERS (NORTH AMERICAN STANDARD) | |
|---|---|
| Installation Environment | Indoor / Outdoor |
| Rated Capacity | 225 - 5000 kVA |
| Operating Frequency | 60 Hz |
| High Voltage (HV) | 15, 25, 34.5 kV |
| Low Voltage (LV) | 0.4, 0.415, 0.48, 0.6, 0.69 kV |
| Impedance (%) | 3% - 7% |
| Vector Group | Dyn11, Ynd1, Yyn0 |
| Enclosure Design | Fully sealed, fully insulated |
| Execution Standards | IEEE C57.12.00 IEEE C57.12.28 IEEE C57.12.34 IEEE C57.12.50 |
To successfully integrate into the North American power grid, transformers must meet rigorous safety and performance criteria. This unit is meticulously engineered in full compliance with IEEE C57.12.00 (General Requirements), IEEE C57.12.28 (Enclosure Integrity), IEEE C57.12.34 (Pad-Mounted specifications), and IEEE C57.12.50. This ensures seamless acceptance and interconnection for EPC contractors targeting the North American utility sector.
The iron core is assembled using an automated robotic stacking system with 45° full oblique stepping joints. This precision minimizes air gaps, drastically reducing magnetic reluctance, no-load losses, and operational noise. Furthermore, the low-voltage windings are constructed using copper or aluminum foil. Foil winding ensures a perfectly uniform axial ampere-turn distribution, minimizing leakage flux and exponentially increasing the transformer's mechanical resilience against sudden short-circuit electro-dynamic forces.
Safety and environmental compatibility are paramount in modern renewable installations. This oil immersed distribution transformer utilizes high flash point insulating fluid that not only elevates the fire safety margins but also boasts superior thermal conductivity and strong anti-aging properties. This allows the transformer to comfortably handle the volatile load profiles typical of wind and solar power generation.
Designed for prolonged outdoor exposure, the transformer features a fully insulated and hermetically sealed tank. Robotic automated welding ensures absolute structural integrity, while automated vacuum oil filling guarantees the complete elimination of air and moisture bubbles. This highly protective environment isolates the active parts from atmospheric degradation, rendering the core and oil virtually maintenance-free over a decades-long lifespan.
To combat harsh weather conditions—from coastal salt spray to extreme UV exposure—the enclosure undergoes a rigorous surface treatment process. Using an advanced electrostatic powder coating or specialized liquid paint system, the primer and topcoat are evenly applied and baked to perfection. This provides an incredibly robust, anti-corrosive shield that easily passes stringent IEEE enclosure integrity tests.
Yes, it is strictly designed and manufactured in accordance with IEEE C57.12.00, IEEE C57.12.28, IEEE C57.12.34, and IEEE C57.12.50, making it fully suitable for 60Hz North American utility and renewable energy systems.
This North American transformer is specifically tailored for renewable energy generation, including solar PV farms, wind power plants, and battery energy storage systems (BESS) requiring a reliable step-up connection to 15kV, 25kV, or 34.5kV networks.
The low-voltage foil winding reduces leakage flux and balances the axial ampere-turn distribution. This significantly enhances the mechanical strength and the transformer's ability to withstand sudden short-circuit electro-dynamic forces caused by grid faults.
Absolutely. STELLAR is an expert oil immersed power transformer manufacturer offering comprehensive OEM/ODM engineering support. We can custom-build 34.5kV three phase oil immersed transformers, adjusting capacities (225-5000 kVA), impedances (3-7%), and specific voltage combinations to match your exact site specifications.
