Three-Phase Oil-Immersed Power Transformer
This three-phase oil-immersed transformer is designed for 35KV, 50HZ transmission and distribution systems. It features a compact design, new materials and technology for noise reduction, and a bolted or welded structure to reduce insulation aging.
Technical Specifications
Product Overview
SZ11 Series Power Transformer
The SZ11 series is a high-performance, three-phase oil-immersed power transformer designed for 35kV transmission and distribution systems. Engineered for reliability in industrial, mining, and rural applications, it features a compact design with advanced materials to minimize noise and improve efficiency. The unit utilizes a fully sealed structure to prevent oil-air contact, significantly reducing insulation aging and extending service life.
Technical Specifications
- Rated Capacity
- 2000 - 20000 kVA
- Voltage Ratio
- 35/10 kV
- Frequency
- 50 Hz
- Cooling Method
- ONAN
- Phase
- Three
Construction
- Iron Core Material
- High-quality cold-rolled silicon steel sheet
- Winding Structure
- Duplex winding
- Design Features
- Compact DesignNoise ReducingAnti-DisplacementFull Sealed
Operating Environment
- Ambient Temperature Range
- -25°C to 40°C
- Maximum Altitude
- 1000 m
Standard Models
Standard Model Parameters
| Model | Capacity (kVA) | Impedance (%) | Gross Weight (kg) |
|---|---|---|---|
| SZ11-2000/35 | 2,000 | 6.5 | 5,900 |
| SZ11-5000/35 | 5,000 | 7 | 10,800 |
| SZ11-10000/35 | 10,000 | 7.5 | 16,600 |
| SZ11-20000/35 | 20,000 | 8 | 24,500 |
