INDUSTRY COMPONENT

Cooling Radiators/Tubes

Cooling radiators/tubes are heat exchange components in power transformers that dissipate heat from insulating oil to maintain optimal operating temperatures.

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Component Specifications

Definition
Cooling radiators/tubes are essential thermal management components in power transformers, consisting of interconnected finned tubes or radiator panels that facilitate heat transfer from the transformer's insulating oil to the surrounding air through natural or forced convection. They are designed to maintain dielectric fluid temperatures within safe operational limits, preventing thermal degradation of insulation materials and ensuring transformer efficiency and longevity.
Working Principle
Heat from the transformer core and windings transfers to insulating oil, which circulates through the radiator tubes. The extended surface area of fins increases heat dissipation to ambient air via convection, with temperature differentials driving natural oil flow or assisted by pumps in forced cooling systems.
Materials
Carbon steel (ASTM A36/A283), stainless steel (AISI 304/316), aluminum alloys (6061/6063), with corrosion-resistant coatings (epoxy, galvanization) and welded/brazed joints.
Technical Parameters
  • Surface Area 5-50 m² per radiator
  • Oil Flow Rate 10-100 L/min
  • Temperature Range -40°C to 120°C
  • Operating Pressure 0.5-2.0 bar
  • Heat Dissipation Capacity 50-500 kW per radiator bank
Standards
ISO 9001, IEC 60076, IEEE C57.12.00, DIN 42500

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cooling Radiators/Tubes.

transformer cooling radiator heat exchanger tubes power transformer cooling thermal management radiator fins dielectric oil cooling Cooling Radiators/Tubes Cooling Radiators/Tubes in Electrical Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Power Transformer

A static electrical device that transfers electrical energy between circuits through electromagnetic induction, typically changing voltage levels while maintaining frequency.

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Engineering Analysis

Risks & Mitigation
  • Oil leakage from corrosion/weld failures
  • Reduced cooling efficiency due to fouling
  • Structural damage from vibration/thermal stress
FMEA Triads
Trigger: Corrosion from environmental exposure
Failure: Oil leaks leading to insulation breakdown
Mitigation: Apply protective coatings, conduct regular corrosion inspections
Trigger: Blocked tubes from debris/oxidation
Failure: Overheating and reduced transformer lifespan
Mitigation: Install filters, implement periodic flushing procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% on heat dissipation rating, ±2mm on dimensional specifications
Test Method
Hydrostatic pressure testing (1.5x operating pressure), thermal performance validation per IEC 60076-7

Buyer Feedback

★★★★☆ 4.7 / 5.0 (19 reviews)

"The technical documentation for this Cooling Radiators/Tubes is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Electrical Equipment Manufacturing environments. No issues with the Cooling Radiators/Tubes so far."

"Testing the Cooling Radiators/Tubes now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What is the difference between natural and forced cooling in transformer radiators?

Natural cooling relies on thermal convection for oil circulation, while forced cooling uses pumps/fans to enhance heat dissipation, allowing higher load capacity.

How often should transformer radiators be inspected?

Visual inspections every 6 months, with thermal imaging and leak testing annually, following IEEE C57.12.00 maintenance guidelines.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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