High Voltage Oil Filled 3MVA 5MVA Three Phase Oil Immersed 11kv 33kv Power Transformer
High Voltage Oil Filled 3MVA 5MVA Three Phase Oil Immersed 11kv 33kv Power Transformer
Engineered for robust utility and heavy industrial demands, this high voltage three-phase oil-immersed power transformer is available in 3 MVA and 5 MVA capacities. Capable of handling 11 kV and 33 kV primary voltages, the oil-filled design ensures optimal thermal performance and long-lasting insulation in outdoor substation environments. Ideal for grid step-down applications, mining operations, and large-scale manufacturing facilities requiring continuous, reliable power delivery.
Key Specifications
- Rated Capacity: 3 MVA / 5 MVA
- Primary Voltage: 11 kV / 33 kV
- Phase: Three Phase
- Cooling Method: ONAN (Oil Natural Air Natural)
- Vector Group: Dyn11 / YNd11
- Insulation Medium: High-Grade Mineral Oil
- Frequency: 50 Hz / 60 Hz
- Standard Compliance: IEC 60076
High Voltage Oil Filled 3MVA 5MVA Three Phase Oil Immersed 11kv 33kv Power Transformer
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Ready to Upgrade Your Power Infrastructure?
Secure your energy supply with the 1000 KVA / 1250 KVA 11 KV Step Down Cast Resin Dry Type Power Transformer. Engineered with CRGO core and UL certification for maximum reliability. Get factory-direct pricing and professional engineering support today.
Technical Specifications
Comprehensive parameters for the High Voltage Oil Filled 3MVA 5MVA Three Phase Oil Immersed 11kv 33kv Power Transformer
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Download our comprehensive product catalog and technical manual for full engineering data and installation guidelines.
Download PDF Manual| Parameter | Specification Details |
|---|---|
| Rated Capacity | 3 MVA / 5 MVA |
| Primary Voltage | 11 kV / 33 kV |
| Secondary Voltage | 0.415 kV / 3.3 kV |
| Phase | Three Phase |
| Frequency | 50 Hz / 60 Hz |
| Cooling Method | ONAN |
| Vector Group | Dyn11 / YNd11 |
| Insulation Class | A |
| Insulation Medium | Mineral Oil |
| Core Material | Cold-Rolled Grain-Oriented (CRGO) Silicon Steel |
| Design Standard | IEC 60076 / IEEE C57.12.00 |
| Application | Utility Substations, Heavy Manufacturing, Mining |
| Certification | IEC, CE, ISO 9001 |
| Warranty | 2 Years |
Get Your Customized Power Solution
Provide your project requirements and our technical engineers will generate a detailed, competitive quotation for the 1000 KVA / 1250 KVA Cast Resin Dry Type Transformer within 12 hours.
12470V / 11KV Step Down Cast Resin Transformer
- Cooling: AN/AF
- Standard: IEC 60076/ANSI
- Vector Group: Dyn11 / Yyn0
- Voltage: 415V / 400V Output
If you have urgent technical questions or bidding deadlines, feel free to contact our senior engineering sales team directly:
Tel / WhatsApp: +8617502139434
Email: sales@millenium-electric.com
Visit Contact Page →We offer full customization for voltage ratings, winding materials (Copper/Aluminum), and enclosure dimensions to seamlessly integrate with your existing power infrastructure and comply with local grid standards.
We provide secure, sea-worthy vacuum packing to prevent humidity and corrosion during transit to any global sea port. Backed by a standard 1-Year comprehensive warranty with lifetime remote technical support.
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