Technical Parameters & Ratings
IEC / ANSI CertifiedFactory Standard
| Rated Capacity | 4000 kVA |
|---|---|
| Primary Voltage (U1) | 33,000 V (33 kV) |
| Secondary Voltage (U2) | 415 V / 240 V (3-Phase 4-Wire) |
| Vector Group | Dyn11 |
| Rated Frequency | 50 Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Primary Current (I1) | 69.98 A |
| Secondary Current (I2) | 5564.9 A |
| Guaranteed No-Load Loss (P0) | 3400 W |
| Guaranteed Load Loss (Pk at 75°C) | 25500 W |
| Short-Circuit Impedance (Uk) | 5.5% |
| HV Insulation Level | LI 170 / AC 70 (33kV Class) |
| Temperature Rise Limits | Top Oil ≤ 50K, Winding ≤ 55K (45°C Ambient) |
| Creepage Distance | ≥ 31 mm/kV (Outdoor Tropicalized Porcelain) |
| Core & Coil Weight | 5600 kg |
| Insulating Oil Weight | 3200 kg |
| Total Assembled Weight | 11200 kg |
| Overall Footprint (L×W×H) | 2500 mm × 1600 mm × 2600 mm |
| Governing Standards | IEC 60076, BS 171, SON NIS, NERC Code |
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 substations
- Industrial plants and heavy-load facilities
- Infrastructure and public utility projects
- Regional transmission and distribution networks
- Commercial and industrial power systems
Key Features
- 4000 kVA rated capacity for medium- to large-scale transmission and distribution projects
- high-voltage design suitable for substations and industrial power systems
- Oil-immersed structure for stable cooling performance and dependable long-term operation
- Available with copper or aluminum windings according to project and budget requirements
- Suitable for IEC-based specifications and project-oriented customization
- Outdoor installation design with configurable accessories and protection devices
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
