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What is a vegetable oil immersed transformer?
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What is a vegetable oil immersed transformer?

Views: 0     Author: Site Editor     Publish Time: 2025-02-28      Origin: Site

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What is a vegetable oil immersed transformer?



Vegetable oil immersed transformer is a kind of power transformer that uses vegetable oil as insulation and cooling medium, and vegetable oil usually uses high-ignition, biodegradable vegetable oil, such as soybean oil, canola oil, etc. The use of vegetable oil can be biodegradable, reduce environmental pollution, with good insulation performance, can effectively isolate the winding and iron core, higher safety and non-flammable.


Vegetable oil transformer is a kind of transformer?



Oil transformer is a kind of power transformer that uses natural vegetable oil as insulation and cooling medium. Compared with traditional transformers using mineral oil, vegetable oil transformers have the following characteristics and advantages:


1. Environmental protection

  • Biodegradable: Vegetable oils are derived from natural plants and are biodegradable and environmentally friendly.

  • Non-toxic and harmless: Vegetable oil is non-toxic, and even if it leaks, it will not pollute soil and water.

  • Renewable resources: Vegetable oil is a renewable resource, in line with the concept of sustainable development.

2.Security

  • High ignition point: Vegetable oil has a higher ignition point than mineral oil, which has better fire resistance and reduces the risk of fire.

  • Low volatility: Vegetable oil is low in volatility, reducing harmful gases produced during operation.

3. Performance advantage

  • Excellent insulation performance: The insulation performance of vegetable oil is good, which can effectively protect the electrical components inside the transformer.

  • Efficient cooling performance: Vegetable oil has a high heat transfer efficiency, which can effectively cool transformers and extend their service life.

  • Prolong the life of the equipment: Due to the good chemical stability of the vegetable oil, it can reduce the oxidation and aging inside the transformer, thereby extending the service life of the transformer.

4. Application field

  • Urban power grid: suitable for residential areas, commercial areas, hospitals, schools and other places with high requirements for environmental protection and safety.

  • Industrial and mining enterprises: suitable for petroleum, chemical, metallurgy and other industries with strict fire safety requirements.

  • New energy field: suitable for wind farms, photovoltaic power plants and other renewable energy power generation projects.

5. Future trends

With the enhancement of environmental awareness and technological progress, vegetable oil transformers are gradually replacing traditional mineral oil transformers and becoming a new choice for the power industry.


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What are the Feature of vegetable oil immersed transformer?


1. High Efficiency

  • Low No-Load and Load Losses: These transformers are designed to minimize core (no-load) and copper (load) losses, ensuring high efficiency during operation.

  • Compliance with Energy Standards: They often meet or exceed international energy efficiency standards such as IEEE, IEC, or local regulations.

2. Vegetable Oil Insulation

  • Eco-Friendly: Vegetable oil (e.g., ester-based fluids) is biodegradable, non-toxic, and has a lower environmental impact compared to traditional mineral oil.

  • High Fire Safety: Vegetable oil has a higher fire point, making it safer in case of faults or overheating.

  • Excellent Thermal Properties: It provides effective cooling and insulation, ensuring stable operation under high loads.

3. High Voltage Capacity

  • 1600kVA Rating: Suitable for medium to large-scale power distribution networks, capable of handling high power demands.

  • High Voltage Insulation: Designed to withstand high voltage stresses, ensuring reliable performance in demanding environments.

4. Robust Construction

  • Durable Core and Windings: High-quality magnetic core and windings reduce losses and enhance durability.

  • Corrosion-Resistant Tank: The transformer tank is typically made of corrosion-resistant materials to ensure longevity.

5. Advanced Cooling System

  • Efficient Heat Dissipation: Designed with radiators or cooling fins to maintain optimal operating temperatures.

  • Natural or Forced Cooling: Depending on the design, it may use natural convection or forced cooling methods for better heat management.

6. Low Maintenance

  • Long Service Life: Vegetable oil and high-quality materials reduce the need for frequent maintenance.

  • Self-Healing Properties: Vegetable oil can help mitigate minor insulation faults, extending the transformer's lifespan.

7. Environmental Benefits

  • Reduced Carbon Footprint: Vegetable oil is derived from renewable resources, contributing to sustainability.

  • Non-Toxic and Safe: Unlike mineral oil, vegetable oil poses no harm to the environment or human health in case of leaks.

8. Smart Monitoring (Optional)

  • Integrated Sensors: Some models come with sensors for real-time monitoring of temperature, oil level, and load conditions.

  • Remote Monitoring: Enables predictive maintenance and reduces downtime.

9. Compact Design

  • Space-Saving: Despite its high capacity, the transformer is designed to be compact, making it suitable for installations with limited space.

10. Compliance and Certifications

  • International Standards: Complies with standards like IEC 60076, IEEE C57, and others.

  • Safety Certifications: Meets safety and environmental regulations, ensuring reliable and safe operation.

11. Customizable Options

  • Voltage Ratings: Can be customized to meet specific voltage requirements.

  • Additional Features: Options like tap changers, protective relays, and enclosures for outdoor use.


Vegetable oil transformer is a kind of environmentally friendly, safe and efficient power transformer, which is suitable for a variety of occasions with high requirements for environmental protection and safety. It can not only meet the needs of modern power systems, but also contribute to sustainable development.


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