How to Choose a Suitable Transformer Radiator?

Choosing the right transformer radiator can be considered from the following aspects:

First, the heat dissipation performance

Heat dissipation area

A larger heat dissipation area usually means better heat dissipation. The required heat dissipation area can be estimated according to the capacity and heat generation of the transformer. Generally speaking, the larger the transformer capacity, the higher the heat generation, the larger the required heat dissipation area.

Chip heat sinks, corrugated heat sinks, etc. have a large heat dissipation area and are suitable for larger capacity transformers.

Heat dissipation efficiency

Heat dissipation efficiency depends on the material, structure and manufacturing process of the radiator and other factors. For example, copper heat sinks have good thermal conductivity and high thermal efficiency, while aluminium heat sinks are lighter in weight and lower in cost.

The structural design of the radiator will also affect the thermal efficiency, such as increasing the number of fins, optimising the shape and spacing of the fins, etc., which can improve the thermal efficiency.

Second, environmental adaptability

Protection level

According to the installation environment of the transformer, select the radiator with appropriate protection level. If the transformer is installed outdoors, it is necessary to choose the radiator with higher protection level to prevent rain, dust and other pollutants from entering into the radiator, which affects the heat dissipation effect.

The level of protection is usually indicated by the IP code, e.g. IP55 means that the level of protection is against dust and water spray.

Corrosion resistance

If the transformer is installed in a corrosive environment, such as the seaside, chemical plants, etc., you need to choose a radiator with good corrosion resistance. You can choose to use corrosion-resistant materials manufactured radiator, such as stainless steel radiator, aluminium alloy radiator and so on.

Or the radiator surface treatment, such as spray anti-corrosion paint, galvanised, etc., in order to improve its corrosion resistance.

Third, installation and maintenance convenience

Size and weight

When choosing a radiator, you need to consider whether its size and weight are suitable for the installation space and load-bearing capacity of the transformer. Excessive size and weight may cause difficulties in installation and maintenance.

A radiator of suitable size and light weight can be selected according to the installation location and space limitations of the transformer.

Mounting method

There are various ways to install the radiator, such as wall-mounted, floor-mounted and suspended. When choosing the installation method, you need to consider the installation location and space layout of the transformer, as well as the convenience and stability of the installation.

At the same time, it is also necessary to consider the connection between the radiator and the transformer to ensure that the connection is firm and well sealed to avoid oil leakage and other problems.

Maintenance convenience

When choosing a radiator, you need to consider the convenience of its maintenance. For example, whether it is easy to clean, whether it is easy to replace the heat sink.

Some radiators are designed with removable heat sinks or easy-to-clean structures that allow for easy maintenance and upkeep.