Radiastar is a professional Transformer Radiator Panel Manufacturer specializing in the design, manufacturing, and supply of high-quality transformer cooling components for global transformer manufacturers, utilities, EPC contractors, and electrical equipment distributors.
A Transformer Radiator Panel is one of the most important cooling components installed on oil immersed transformers. It transfers heat generated inside the transformer to the surrounding environment through transformer oil circulation and natural air cooling.
With the increasing demand for reliable power transmission and renewable energy infrastructure, efficient transformer cooling systems have become essential for improving transformer performance, reducing operating temperature, and extending transformer service life.
Radiastar provides customized Transformer Radiator Panels, including corrugated radiator panels, detachable radiator banks, and cooling elements for distribution transformers, power transformers, and industrial transformers.
A Transformer Radiator Panel, also known as a Transformer Cooling Radiator, is an external heat dissipation device connected to an oil immersed transformer tank.
During transformer operation, electrical energy losses generate heat from:
The transformer oil absorbs this heat and circulates between the transformer tank and radiator panels.
Inside the radiator panel:
This continuous circulation maintains the transformer temperature within a safe operating range.
The working principle of a transformer radiator is based on heat transfer and natural oil circulation.
Most distribution transformers use:
ONAN Cooling
(Oil Natural Air Natural)
The cooling process:
Transformer Windings
↓
Hot Transformer Oil
↓
Radiator Panel
↓
Heat Released to Air
↓
Cool Oil Returns
↓
Transformer TankAdvantages:
Large power transformers may use:
ONAF Cooling
(Oil Natural Air Forced)
Cooling fans are installed on radiator panels to increase airflow and improve heat dissipation.
Advantages:
Applications:
Radiator design depends on transformer capacity, voltage level, cooling requirements, and installation conditions.
A Corrugated Transformer Radiator Panel is one of the most widely used cooling solutions for oil immersed distribution transformers.
Features:
Applications:
Flat panel radiators consist of multiple steel plates welded together.
Advantages:
Common applications:
Detachable radiator banks allow easier transportation and maintenance.
Advantages:
Used in:
For high-capacity transformers, radiator panels can be equipped with cooling fans.
Features:
As an experienced Transformer Radiator Manufacturer, Radiastar follows strict manufacturing procedures to ensure product reliability.
Each radiator panel is designed according to:
Engineering parameters include:
High-quality steel sheets are selected for radiator manufacturing.
Material requirements:
The radiator panel is manufactured through:
Professional welding technology ensures:
Every radiator panel undergoes strict testing.
Testing includes:
This ensures reliable performance under transformer operating conditions.
To protect radiator panels from outdoor corrosion:
Surface treatment includes:
The coating system can be customized according to:
| Parameter | Specification |
|---|---|
| Product Name | Transformer Radiator Panel |
| Application | Oil Immersed Transformer |
| Material | Carbon Steel |
| Cooling Type | ONAN / ONAF |
| Voltage Range | 10kV – 220kV |
| Transformer Capacity | Customized |
| Installation | Outdoor |
| Structure | Corrugated / Panel Type |
| Surface Treatment | Anti-corrosion Coating |
| Testing Standard | IEC 60076 |
Radiastar transformer radiator panels are widely used in different power applications.
Typical applications:
Voltage levels:
Large transformer cooling applications:
Transformer radiator panels are widely applied in:
Renewable projects require reliable transformer cooling because transformers often operate continuously under high loads.
Applications include:
Radiastar focuses on transformer components manufacturing, including:
Our products are supplied to transformer manufacturers and electrical companies worldwide.
Radiastar provides customized solutions based on customer requirements.
Customization includes:
OEM manufacturing is available for:
Each transformer radiator panel is inspected through:
Ensure:
Check:
Including:
When choosing a Transformer Radiator Panel Supplier, consider the following factors:
A professional manufacturer should have:
Transformer components require technical knowledge.
A qualified supplier should understand:
Different transformers require different radiator designs.
A capable supplier should support:
International suppliers should provide:
A transformer radiator panel is a cooling component installed on oil immersed transformers to dissipate heat generated during transformer operation.
A transformer radiator refers to the complete cooling device, while radiator panel usually refers to individual cooling elements or panels forming the radiator system.
Radiator panels are mainly used for:
Dry type transformers usually do not require radiator panels.
With proper manufacturing and anti-corrosion treatment, transformer radiator panels can operate reliably for decades.
Yes. Radiastar provides customized transformer radiator panels according to:
Explore Radiastar transformer components:
Looking for a reliable Transformer Radiator Panel Manufacturer?
Radiastar provides:
✔ Factory direct transformer radiator panels
✔ Customized OEM production
✔ Professional transformer cooling solutions
✔ Global export support
Send your transformer specifications or drawings today to receive a customized quotation.
Contact Radiastar for your transformer radiator panel solution.






