10 MVA Three Phase Oil Immersed Power High Voltage Transformer 33 0.4KV 10000KVA 25000 KVA KNAN ONAN
10 MVA Three Phase Oil Immersed Power High Voltage Transformer 33 0.4KV 10000KVA 25000 KVA KNAN ONAN IEEE Standard 50 60
Engineered for high-demand utility and heavy industrial networks, this 10 MVA three-phase oil-immersed power transformer reliably steps down 33 kV primary high voltage to a 0.4 kV secondary output. Compliant with rigorous IEEE standards for 50/60 Hz operations and featuring versatile KNAN/ONAN thermal management, it delivers exceptional stability even during continuous 10000 kVA to 25000 kVA load cycles. This robust high-voltage unit serves as a dependable cornerstone for large-scale grid distribution and power generation substations.
Key Specifications
- Rated Capacity: 10 MVA (10000 kVA) / up to 25 MVA (25000 kVA)
- Primary Voltage: 33 kV High Voltage
- Secondary Voltage: 0.4 kV (400 V)
- Phase: Three Phase
- Cooling Method: KNAN / ONAN
- Operating Frequency: 50 Hz / 60 Hz
- Standard Compliance: IEEE Standard
- Cooling Fluid: Mineral Oil (ONAN) or Natural Ester (KNAN)
10 MVA Three Phase Oil Immersed Power High Voltage Transformer 33 0.4KV 10000KVA 25000 KVA KNAN ONAN IEEE Standard 50 60
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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 10 MVA Three Phase Oil Immersed Power High Voltage Transformer 33 0.4KV 10000KVA 25000 KVA KNAN ONAN IEEE Standard 50 60
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Download PDF Manual| Parameter | Specification Details |
|---|---|
| Phase | Three Phase |
| Rated Capacity | 10 MVA (10000 kVA) base, up to 25 MVA (25000 kVA) |
| Primary Voltage | 33 kV |
| Secondary Voltage | 0.4 kV (400 V) |
| Frequency | 50 Hz / 60 Hz |
| Vector Group | Dyn11 (Standard) |
| Cooling Method | KNAN / ONAN |
| Insulation Class | Class A (105°C) |
| Core Material | Cold-Rolled Grain-Oriented (CRGO) Silicon Steel |
| Winding Material | Electrolytic Grade Copper |
| Design Standard | IEEE |
| Application | Utility Substations, Heavy Industry, Grid Distribution |
| Certification | IEEE, ISO 9001 |
| Warranty | 24 Months from commissioning |
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
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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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