25KVA 6KV Oil Immersed Transformer

GUANGBIAN as a manufacturer capable of producing 25KVA 6KV Oil Immersed Transformer, GUANGBIAN keeps a global perspective and focuses on providing customers with 25kva Transformer tailored to local market needs.

This 25KVA 6KV Oil Immersed Transformer is suitable for application in Turkmenistan and offers identical performance to the TM series oil-immersed transformers of the country. It has been successfully applied in the small-scale power distribution system of Turkmenistan, serving as a 25kva Transformer to supply power to the local area.

Key highlights include:

● Stable performance under continuous load

● Low no-load and load losses

● Strong short-circuit resistance

● High thermal endurance and insulation reliability

● Compact structure for easy installation

This model is widely used in regions where power stability and cost efficiency are critical.

Technical Features & Advantages

1. High-Quality Silicon Steel Core

The core is made of high-grade cold-rolled grain-oriented silicon steel, which significantly reduces no-load loss and improves overall efficiency.

2. Efficient Oil-Immersed Cooling System

The transformer uses high-performance insulating oil to provide:

Excellent heat dissipation

Stable internal temperature control

Extended insulation lifespan

3. Strong Overload Capacity

Designed to handle sudden load changes, motor startup currents, and unstable grid conditions without performance degradation.

4. Safe and Durable Tank Structure

The fully sealed tank design minimizes oil leakage risk and prevents external contamination, ensuring long-term stable operation.

5. Low Noise Operation

Optimized core clamping and winding structure reduce vibration and noise, making it suitable for residential and commercial environments.

Technical Document

Operating Environment

Temperature Conditions:

Long-term Operating Ambient Temperature: -25℃ ~ +40℃.

Maximum Operating Temperature: ≤50℃

Storage and Transportation Temperature:

-40℃ ~ +60℃.

Humidity Conditions：

Relative Humidity: At 25℃, the relative humidity shall be ≤ 95%, with no condensation or dripping allowed.

Altitude Requirements：

Rated Altitude Adaptation Range: ≤ 1000 meters (above sea level).

Applications

The 25KVA 6KV oil-immersed transformer is widely used in:

● Rural power distribution networks

● Small industrial workshops

● Residential community power systems

● Agricultural irrigation systems

● Infrastructure and construction sites

● Small commercial buildings

● Renewable energy auxiliary systems

Its compact size and stable output make it especially suitable for off-grid or weak-grid environments.

Our Factory

Sheet metal workshop

Foil winding workshop

Winding workshop

Winding oven workshop

Transformer assembly workshop

Transformer commissioning workshop

Why Choose This Transformer?

Reliable Power Stability

Even in unstable grid conditions, the transformer maintains consistent voltage output, protecting downstream equipment.

Cost-Effective Operation

Low energy loss design reduces long-term electricity costs and maintenance expenses.

Long Service Life

High-quality insulation materials and sealed structure ensure 20+ years of operational lifespan under proper maintenance.

Easy Installation & Maintenance

Compact structure and standardized design reduce installation time and simplify routine inspection.

Quality Manufacturing Assurance

Each unit is produced under strict quality control procedures, including:

● Core loss testing

● Winding resistance testing

● Dielectric strength testing

● Temperature rise testing

● Full-load performance verification

Manufacturing follows international transformer standards, ensuring export-grade reliability.

Installation & Maintenance Guidelines

To ensure optimal performance:

● Install in a well-ventilated outdoor or dedicated transformer room

● Regularly check oil level and insulation condition

● Avoid overloading beyond rated capacity

● Perform periodic insulation resistance testing

● Keep terminals clean and securely fastened

Proper maintenance significantly extends service life and operational safety.

FAQ

Q1: Can the voltage be customized?

Yes. Both primary and secondary voltages can be customized according to project requirements.

Q2: Is this transformer suitable for outdoor installation?

Yes. The sealed oil tank structure is designed for outdoor environments with proper protection.

Q3: What is the lifespan of this transformer?

Under normal operating conditions and regular maintenance, the lifespan can exceed 20 years.

Q4: Can it handle motor starting loads?

Yes. It is designed with strong short-circuit and overload resistance, suitable for motor-driven applications.

Q5: Do you provide OEM or factory customization?

Yes. As a China transformer manufacturer and supplier, customized solutions are available based on project needs.

Contact us

The 25KVA 6KV Oil Immersed Transformer is a reliable, efficient, and cost-effective solution for small-scale power distribution systems. With strong insulation performance, low energy loss, and long service life, it is an ideal choice for customers seeking stable and durable power equipment from a professional China transformer factory supplier.

If you are looking for a dependable transformer solution for your project, this model offers an excellent balance of performance, safety, and affordability.