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Power Rated Oil Immersed Transformer Engineered for Heavy Duty Electrical Transmission and Distribution Systems

Product Summary

Product Description: The Oil Immersed Transformer is a vital component in electrical power distribution systems, designed to efficiently transfer electrical energy while ensuring optimal performance and reliability. This transformer type is widely recognized for its robust construction and superior ...

Key Attributes
Brand Name: TNNPI
Model Number: sz
Place of Origin: Henan, China
Certification: CE/ISO
MOQ: 1 piece
Price: $71,999.10 / piece
Product Custom Attributes
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heavy duty oil immersed transformer

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power rated electrical transformer

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oil immersed distribution transformer

Product Description

Product Description:

The Oil Immersed Transformer is a vital component in electrical power distribution systems, designed to efficiently transfer electrical energy while ensuring optimal performance and reliability. This transformer type is widely recognized for its robust construction and superior cooling capabilities, making it an essential choice for various industrial, commercial, and utility applications. By utilizing oil as a cooling and insulating medium, the Oil Immersed Distribution Transformer offers enhanced thermal management, which significantly improves the longevity and operational efficiency of the equipment.

One of the key features of the Oil Immersed Transformer is its use of mineral oil or specially formulated insulating oil that surrounds the transformer windings and core. This oil serves a dual purpose: it acts as an excellent electrical insulator and provides effective heat dissipation. The oil absorbs the heat generated during the transformer's operation and transfers it to the external cooling radiators or tanks, maintaining the internal temperature within safe limits. This cooling mechanism is why this type of transformer is often referred to as an Oil Cooled Electrical Transformer.

The design of the Oil Immersed Distribution Transformer ensures high reliability and safety under various operating conditions. The transformer tank is sealed to prevent moisture ingress, which can degrade the insulating properties of the oil. Additionally, the oil used is carefully selected to have high dielectric strength and thermal stability, ensuring consistent performance over extended periods. Maintenance of these transformers is relatively straightforward, with periodic oil testing and filtration helping to preserve the oil's insulating qualities and prevent potential faults.

Oil Insulated Power Transformers are particularly advantageous in applications requiring high voltage regulation and load capacity. They are capable of handling significant electrical loads while maintaining low losses and minimal voltage drop, which is critical for efficient power distribution. Their ability to operate continuously under heavy load conditions without overheating makes them indispensable in substations, power plants, and industrial facilities.

Furthermore, the Oil Immersed Transformer is engineered to comply with stringent industry standards and environmental regulations. Advanced manufacturing techniques and quality control measures ensure that each unit delivers consistent performance, durability, and safety. Innovations such as improved oil purification systems, enhanced cooling designs, and advanced monitoring technologies have further increased the reliability and lifespan of these transformers.

In summary, the Oil Immersed Distribution Transformer represents a blend of proven technology and modern engineering, providing a reliable solution for electrical energy transformation and distribution. Its oil cooling and insulating properties make it highly effective in managing thermal stresses, thereby enhancing overall transformer efficiency and durability. Whether used in urban power grids, industrial complexes, or renewable energy installations, the Oil Cooled Electrical Transformer remains a cornerstone technology in electrical power systems. Its robust design, coupled with excellent thermal and electrical insulating capabilities, ensures stable operation, reduced maintenance costs, and long service life, making it an indispensable asset in the power industry.


Features:

  • High efficiency Oil Insulated Electrical Transformer designed for reliable power distribution
  • Durable construction with superior oil insulation for enhanced thermal performance
  • Oil Insulated Power Transformer ensuring excellent dielectric strength and cooling
  • Robust design to withstand mechanical stresses and environmental conditions
  • Low maintenance requirements due to advanced oil preservation techniques
  • Optimal heat dissipation through high-quality insulating oil
  • Wide range of voltage and capacity options to suit various electrical applications
  • Complies with international standards for safety and performance
  • Environmentally friendly and safe operation with leak-proof oil containment
  • Easy installation and compatibility with existing electrical systems

Technical Parameters:

Product Name Oil Filled Power Transformer / Oil Immersed Power Transformer
Type Oil Immersed Power Transformer
Rated Power 10 kVA - 5000 kVA
Frequency 50 Hz / 60 Hz
Voltage Rating Up to 36 kV
Cooling Method Oil Natural Air Natural (ONAN)
Insulation Type Oil impregnated paper
Temperature Rise 65°C / 80°C
Tap Changer Off-circuit tap changer (optional)
Standards IEC, ANSI, IEEE

Applications:

The Oil Immersed Transformer, model number SZ, manufactured by TNNPI and originating from Henan, China, is a highly reliable and efficient solution designed for a wide range of electrical power applications. This oil cooled electrical transformer is specially engineered to ensure superior insulation and cooling performance by using high-quality insulating oil. Its robust design makes it ideal for both indoor and outdoor installations in various industrial, commercial, and utility scenarios.

One of the primary application occasions for the SZ Oil Filled Voltage Transformer is in power distribution networks where stable voltage regulation is critical. It is commonly installed in substations, electrical grids, and power plants to step up or step down voltage levels, ensuring the safe and efficient transmission of electrical energy. The oil filled voltage transformer is also widely used in manufacturing facilities and large commercial complexes where reliable power supply and voltage transformation are essential for uninterrupted operations.

In addition to power distribution, the SZ oil immersed transformer is well-suited for use in renewable energy projects, such as solar and wind farms, where it helps convert generated power to suitable voltage levels for grid integration. The transformer's oil cooling system enhances its thermal stability, allowing it to operate efficiently under high load conditions and harsh environmental factors, which is crucial for remote or outdoor installations.

Furthermore, the TNNPI SZ transformer meets international standards with CE and ISO certifications, ensuring top-quality performance and safety. With a minimum order quantity of just one piece and a competitive price of $71,999.10 per unit, this transformer offers excellent value for utility companies, industrial operators, and project developers seeking dependable voltage transformation solutions.

Overall, the Oil Immersed Transformer SZ model is an optimal choice for applications requiring robust, efficient, and certified oil cooled electrical transformers. Its versatility across different voltage transformation needs and environments, combined with TNNPI’s proven manufacturing excellence, makes it a preferred option for modern electrical infrastructure development.


Support and Services:

Product Technical Support and Services for Oil Immersed Transformer

Our technical support team is dedicated to providing comprehensive assistance for all your oil immersed transformer needs. We offer expert guidance on installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your transformer.

Services include detailed product documentation, routine maintenance schedules, diagnostic services, and on-site support by certified technicians. We also provide training sessions for your staff to enhance their understanding of transformer operations and safety protocols.

In addition, our support extends to replacement parts, upgrades, and retrofit solutions tailored to meet evolving industry standards and specific application requirements. We are committed to delivering timely and effective solutions to minimize downtime and maximize efficiency.

For any technical inquiries or service requests, our support team is equipped to provide prompt and knowledgeable assistance to help you achieve reliable and efficient transformer operation.


Packing and Shipping:

Product Packaging and Shipping for Oil Immersed Transformer

Our Oil Immersed Transformers are carefully packaged to ensure maximum protection during transportation. Each transformer is securely placed in a robust wooden crate designed to withstand rough handling and environmental factors. The packaging includes internal cushioning materials to prevent any movement and absorb shocks.

The transformers are sealed and treated to prevent moisture ingress, corrosion, and contamination. All lifting points and accessories are clearly marked and securely fastened to facilitate safe handling.

For shipping, the transformers are loaded using appropriate lifting equipment to avoid any damage. We coordinate with reliable logistics partners to ensure timely and safe delivery to the destination. Shipping options include sea freight, air freight, and land transport, depending on customer requirements and destination.

Upon delivery, the packaging should be inspected for any signs of damage before unpacking. Our team provides detailed guidelines for safe unpacking, installation, and commissioning to ensure optimal performance of the transformer.


FAQ:

Q1: What is the model number of the Oil Immersed Transformer?

A1: The model number of the Oil Immersed Transformer is SZ.

Q2: Which brand manufactures this Oil Immersed Transformer?

A2: This product is manufactured by the brand TNNPI.

Q3: Where is the Oil Immersed Transformer made?

A3: The Oil Immersed Transformer is made in Henan, China.

Q4: What is the minimum order quantity for purchasing this transformer?

A4: The minimum order quantity is 1 piece.

Q5: How much does one piece of the Oil Immersed Transformer cost?

A5: The price for one piece is $71,999.10.

Q6: Does the Oil Immersed Transformer have any certifications?

A6: Yes, it is certified with CE and ISO certifications.


Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
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All Reviews
F
Fredo Fifi from United States
Sep 18.2025
The rain and dustproof design is well-executed, making it safe for outdoor use.
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D
Diron Santos from France
Jul 3.2025
Qualité est bonne et le fonctionnement est excellent
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S
shahab sajadi from Albania
Dec 5.2024
good quality
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