I. Product Introduction

Three-phase transformer SZ with oil immersion on the loadAndSwitching taps are a new generation of highly efficient and energy-saving core equipment for power transmission and distribution.

Using a high-quality silicon-steel core and all-copper windings, combined with on-load voltage regulation and a fully sealed, oil-immersed design, the transformer boasts low losses, low noise, high reliability, and robust short-circuit resistance. It meets the needs for stable power supply and real-time voltage regulation in power grids, industries, stadiums, and other applications.

II. Technical parameters (customizable)

• Rated capacity: 50KVA-63000KVA

• Voltage regulation: tap switching on load

• Compound group: Dyn11

• Cooling mode: ONAN / ONAF

• Energy efficiency level: highly efficient and energy saving transformer

III. Main Features

1. High efficiency and energy saving

   The optimized core and winding design significantly reduces no-load and load losses, reducing energy costs for long-term operation.

2. Voltage stabilization under load

   Automatic voltage regulation under live load, resistance to load fluctuations to ensure stable voltage and equipment safety.

3. High reliability

   Full copper windings with high-quality insulating oil have strong short-circuit and impact resistance, suitable for long-term continuous use.

4. Easy maintenance

   Sealed structure, equipped with oil level and oil temperature monitoring and safety protection devices, ensuring visible status and easy operation and maintenance.

5. Low noise and low partial discharge

   Shock absorption and noise reduction design, low partial discharge and vibration, suitable for indoor and densely populated areas.

6. Strong adaptability to the environment

   Stable operation in high and low temperature, humid, dusty and other industrial and outdoor environments.

IV. Application Scenarios

• Power grid system: city/park substations, regional distribution stations, step-up/step-down nodes.

• Power and energy: auxiliary power for power plants, new grid connection stations, supporting transformers for energy storage stations.

• Large-scale industry: high-energy power supply for metallurgy, petrochemical, mining, manufacturing and other industries.

• Public buildings: convention centers, stadiums, airports, hospitals, data centers (used in places where large events are held).

• Infrastructure reconstruction: energy-efficient replacement of old transformers, modernization of the power grid, expansion of the load center capacity.