220kV 230kV 242kV 330kV 345kV 363kV 75MVA 90MVA 120MVA 150MVA 160MVA 180MVA 240MVA 300MVA 360MVAOutdoor Oil-Immersed 3-Phase Transformer | 30-2500kVA | DYN11/YYN0 | IEC/IEEE Certified
High-efficiency hermetically sealed oil-immersed 3-phase transformers (Up to-300MVA). 3.15kV-66kV primary, 800V secondary. Copper/aluminum windings, DYN11/YYN0/YND11 configurations. Ideal for industrial plants, solar farms, and grid infrastructure.
Core Advantages
✅ Zero-Leakage Design
- Hermetically sealed tank prevents oil degradation (IP67 protection).
- Maintenance-free for 15+ years (IEC 60076-1 compliant).
✅ Global Voltage Compatibility
- Input Voltage: 35kV, 69kV, 110kV, 115kV, 132kV, 220kV, 400kV, 230kV, 242kV, 330kV, 345kV, 363kV
- Output Voltage: 11kV, 13.8kV, 15.75kV, 18kV, 21kV, 66kV
- Winding Configurations: DYN11, YYN0, YD11, YND11
✅ Energy Efficiency
- 98.5% efficiency @ 75% load (DOE 2023 Tier 4 standards).
- Low no-load losses (<0.5% of rated power).
Technical Specifications
| Parameter | Details |
|---|---|
| Capacity Range | Up to – 300MVA |
| Insulation Class | Class A (105°C) |
| Rated H.V. | 35kV-363kV |
| Rated M.V. | 115kV-230kV |
| Rated L.V. | 3.15kV-66kV |
| Cooling Type | ONAN (Oil Natural Air Natural) |
| Bushing Standard | IEC 60137 / ANSI C57.19.00 |
| Certifications | IEC 60076, IEEE C57.12.00, CE |
Applications
🏭 Heavy Industry: Steel mills, chemical plants, mining operations
☀️ Renewable Energy: Solar/wind farm grid integration, substations
🏙️ Urban Infrastructure: Hospitals, data centers, commercial complexes
⚡ Utility Grids: Distribution networks, rural electrification
Customization Options
- Winding Material: Copper (low loss) / Aluminum (cost-optimized)
- Tap Changer: ±2×2.5% off-load taps (optional on-load tap changer)
- Seismic Rating: Zone 3/4 compliance (IBC 2021)
- Anti-Corrosion: Coastal-grade paint (C5-M ISO 12944)
