250MVA POWER TRANSFORMER VIETAM
3 week ago
- Engineered to IEC 60076 standards for global interoperability and quality assurance
- High-efficiency design with low no-load and load losses (≤0.5% typical)
- Robust oil-immersed insulation system ensuring thermal stability under heavy loads
- Triple-phase configuration optimized for balanced power delivery and reduced harmonic distortion
- Advanced cooling mechanisms including ONAN/ONAF operation modes for enhanced heat dissipation
- Integrated protective devices such as Buchholz relays, pressure relief valves, and temperature monitoring systems
- Corrosion-resistant tank construction with anti-static coating for extended service life
- Customizable tap changers (on-load or off-load) for voltage regulation flexibility
- Certified for use across the Americas in harsh environmental conditions including high humidity, extreme temperatures and seismic zones, with reliable equipment performance and prompt after-sales support post-delivery
| Item | Details |
|---|---|
| Model NO. | Power Transformer |
| Core Structure | Core-type Transformer |
| Cooling Method | Oil-immersed Type Transformer |
| Winding Type | Two-winding Transformer |
| Certification | ISO9001-2000, ISO9001, CCC, IEC, IEEE |
| Usage | Power Transformer, Distribution Transformer |
| Frequency Characteristics | Power Frequency |
| Shape of Core | Ring |
| Brand | YAWEI |
| Rated High Voltage | 35kV–363kV |
| Rated Medium Voltage | 115kV–230kV |
| Rated Low Voltage | 3.15kV–66kV |
| Rated Power | up to 300MVA |
| Winding Material | Copper / Aluminium |
| Vector Group | Dyn11 / Yyn0 / Yd11 / Ynd11 |
| Core Material | Silicon Steel |
| Applied Standard | IEC, IEEE |
| Cooling Type | ONAN / ONAF / OFAF / OFWF |
| Frequency | 50Hz / 60Hz |
| Tapping Range | ±2×2.5% |
| Transport Package | Customized |
| Specification | Customized |
| Trademark | YAWEI |
| Origin | China |
| HS Code | 8504231100 |
| Production Capacity | 500000 |

Whether you represent a utility provider, electrical distributor, or construction firm, YAWEI's single-phase pole-mounted transformers offer a trusted solution backed by proven performance and dedicated service. Depend on YAWEI for adaptable, high-quality power distribution equipment designed to match your project requirements.
Why Choose YAWEI?
-
Industry-Leading Integrated Capability
YAWEI is a leading transformer specialist in China, integrating R&D, manufacturing, and delivery to provide high-performance pole-mounted transformers. -
Extended Service Life Design
Our oil-immersed transformers are engineered for a service life exceeding 30 years under standard operating conditions, ensuring long-term reliability. -
Customized Application Solutions
We develop tailored pole-top transformer designs to meet specific grid requirements and challenging installation environments. -
Superior Environmental Adaptability
The units maintain stable performance across diverse geographical and climatic conditions, from high temperatures to extreme cold. -
High Efficiency and Eco-Friendly Performance
These transformers feature optimized energy efficiency with minimal environmental impact, supporting sustainable grid development. -
Enhanced Overload Capacity with Insulation Protection
The product series offers robust overload tolerance while ensuring insulation system integrity and operational safety. -
Optimized Lifecycle Value
We provide utilities and industries with a secure, economical, and sustainable power distribution solution that minimizes total cost of ownership.

Pad Mounted Transformer, Power Transformer, Distribution Transformer, Pole Mounted Transformer
If you have any inquiries, please contact me immediately.
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Main Product:
Power Transformer,
Distribution Transformer,
Pad Mounted Transformer,
Pole Mounted Transformer,
Substation Transformer ,
Dry Type Transformer