Technical Parameters & Ratings
IEC / ANSI CertifiedFactory Standard
| Power Rating | 500 kVA |
|---|---|
| Primary Voltage | 11,000 V (11 kV) |
| Secondary Voltage | 415 V / 240 V (3-Phase 4-Wire) |
| Phase | Three-phase |
| Cooling Type | ONAN (Oil Natural Air Natural) |
| Core Material | High-efficiency (CRGO) silicon steel |
| Connection Group | Dyn11 |
| Winding Material | Copper / Aluminium |
| Frequency | 50 Hz |
| Insulation | Mineral oil |
| Tap Changer | ± 2 × 2.5% Off-Circuit Tap Changer (OCTC) |
| Short-circuit impedance | 4.0% |
| Temperature Rise | Top Oil ≤ 50K, Winding ≤ 55K (45°C Ambient) |
| Noise Level | ≤ 60 dB at 1 meter |
| Enclosure | Hermetically sealed steel tank, weatherproof for indoor and outdoor use |
| Altitude | ≤ 1,000 m or customized |
| Ambient Temperature Range | -30 °C to +50 °C |
| Accessories | Conservator tank, oil level indicator, gas relay, pressure relief valve, etc. |
| Standards Compliance | IEC 60076, BS 171, SON NIS, NERC Code |
| Applications | Commercial and institutional buildings, industrial facilities, oil & gas, solar and wind energy |
| Transport & Installation | Lifting lugs, skid base, galvanized fittings |
| Warranty | Two years |
| Delivery Time | Typically 30 days, depending on quantity |
| Min. order quantity | ≥ 1 set |
Technical Highlights
- This product combines dependable transformer platform design, flexible project configuration, and practical export-oriented construction. It is suitable for applications requiring stable electrical performance, configurable voltage ratios, outdoor durability, and documentation support for international project supply.
Application Scenarios
- Utility distribution networks
- Industrial plants and workshops
- Commercial buildings and mixed-use developments
- Public infrastructure projects
- Regional and municipal power distribution systems
Key Features
- 500 kVA rated capacity for distribution network and industrial feeder applications
- class design suitable for utility and regional power distribution systems
- Oil-immersed structure for stable thermal performance and dependable outdoor operation
- Available with copper or aluminum windings according to project and budget requirements
- Supports IEC-based specifications and project-oriented voltage configuration
- Configured for long service life, practical maintenance, and export project supply
Optional Configurations
- Low-voltage side rating and voltage ratio
- Frequency: 50 Hz or 60 Hz
- Vector group and tapping range
- Copper or aluminum winding
- Cooling method, accessory package, and monitoring option
- Tank structure, coating system, and special environmental adaptation
- Color, nameplate language, and document package
- Ambient temperature, altitude, and installation condition adaptation
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