220kV Three-Phase Oil-Immersed On-Load Tap-Changing Power Transformer
This 220kV transformer is characterized by its compact size, light weight, high efficiency, and low noise, ensuring reliable operation. It reduces power grid consumption and operational costs.



Technical Specifications
Overview
High-Efficiency Power Transformer
This 220kV three-phase oil-immersed power transformer is engineered for reliable power transmission and distribution. Designed for high efficiency, it features low noise and low-loss operation, which significantly reduces energy consumption and operational costs for power grids. Equipped with on-load tap-changing capability, it ensures stable voltage regulation without interrupting power supply.

Technical Specifications
Standards Compliance
- GB1094.1-1996 (General Principle)
- GB1094.2-1996 (Temperature Rise)
- GB1094.3-2003 (Insulation Level)
- GB1094.5-2003 (Short Circuit Withstand)
- GB/T6451-2008 (Technical Data)
- Voltage Class
- 220kV
- Circulation/Cooling Method
- ONANONAFWater Cooling
Environmental Conditions
- Operational Altitude
- 1000 m
- Ambient Temperature Range
- -25°C to +40°C
- Mounting Type
- Outdoor
- Max Relative Humidity
- 90 %
Performance Data
Typical Technical Table
| Rated Capacity (kVA) | No-Load Loss (kW) | Load Loss (kW) |
|---|---|---|
| 31500 | 22.5 | 102.6 |
| 63000 | 37.8 | 179.5 |
| 120000 | 57.6 | 292.6 |
| 240000 | 93.6 | 513.0 |



