Differences Between Dry Type and Liquid Immersed Transformers

Transformers are essential components in electrical systems, as they help to regulate voltage Levels and ensure the efficient transmission of electricity. There are two main types of transformers commonly used in the industry: dry type transformers and liquid immersed transformers. In this article, we will explore the key differences between these two types of transformers and discuss their respective advantages and disadvantages.

Type Rated\\u00a0capacity\\u00a0\\uff08KVA\\uff09 Voltage\\u00a0combination\\uff08KV\\uff09 No-load\\u00a0losses\\uff08W\\uff09 Load\\u00a0losses\\uff08W\\uff09 No-load\\u00a0current\\u00a0\\uff08%\\uff09 Short-circuit\\u00a0impedance\\u00a0\\uff08%\\uff09
SC13-30 30 6,6.3,6.6,10,11/0.4 150 710 2.3 4.0
SC13-50 50 6,6.3,6.6,10,11/0.4 215 1000 2.2 4.0
SC13-80 80 6,6.3,6.6,10,11/0.4 295 1380 1.7 4.0
SC13-100 100 6,6.3,6.6,10,11/0.4 320 1570 1.7 4.0
SC13-125 125 6,6.3,6.6,10,11/0.4 375 1850 1.5 4.0
SCB13-160 160 6,6.3,6.6,10,11/0.4 430 2130 1.5 4.0
SCB13-200 200 6,6.3,6.6,10,11/0.4 495 2530 1.3 4.0
SCB13-250 250 6,6.3,6.6,10,11/0.4 575 2760 1.3 4.0
SCB13-315 315 6,6.3,6.6,10,11/0.4 705 3470 1.1 4.0
SCB13-400 400 6,6.3,6.6,10,11/0.4 785 3990 1.1 4.0
SCB13-500 500 6,6.3,6.6,10,11/0.4 930 4880 1.1 4.0
SCB13-630 630 6,6.3,6.6,10,11/0.4 1070 5880 0.9 4.0
SCB13-630 630 6,6.3,6.6,10,11/0.4 1040 5960 0.9 6.0
SCB13-800 800 6,6.3,6.6,10,11/0.4 1210 6960 0.9 6.0
SCB13-1000 1000 6,6.3,6.6,10,11/0.4 1410 8130 0.9 6.0
SCB13-1250 1250 6,6.3,6.6,10,11/0.4 1670 9690 0.9 6.0
SCB13-1600 1600 6,6.3,6.6,10,11/0.4 1960 11700 0.9 6.0
SCB13-2000 2000 6,6.3,6.6,10,11/0.4 2440 14400 0.7 6.0
SCB13-2500 2500 6,6.3,6.6,10,11/0.4 2880 17100 0.7 6.0

Dry type transformers, as the name suggests, do not use any liquid for cooling or insulation. Instead, they rely on air to dissipate heat and provide insulation between the windings. This makes them suitable for indoor applications where the use of oil or other liquids may not be practical or safe. Dry type transformers are also more environmentally friendly, as they do not pose the risk of oil leaks or spills.

On the other hand, liquid immersed transformers use oil or other insulating liquids to cool the windings and provide insulation. These transformers are typically used in outdoor applications or in environments where the risk of fire is a concern. Liquid immersed transformers are also more efficient at dissipating heat, which can help to extend the lifespan of the transformer.

One of the key differences between dry type and liquid immersed transformers is their construction. Dry type transformers are typically smaller and lighter than liquid immersed transformers, making them easier to transport and install. However, liquid immersed transformers are generally more robust and can withstand higher levels of electrical stress.

Another important difference between the two types of transformers is their maintenance requirements. Dry type transformers require less maintenance than liquid immersed transformers, as they do not have to be regularly checked for oil leaks or contamination. However, dry type transformers may be more susceptible to damage from dust or other contaminants in the air.

In terms of cost, dry type transformers are generally more expensive than liquid immersed transformers. This is due to the higher cost of materials used in their construction, as well as the additional insulation required to protect the windings from the Environment. However, the lower maintenance requirements of dry type transformers can help to offset this initial cost over time.

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When choosing between dry type and liquid immersed transformers, it is important to consider the specific requirements of your application. If you need a transformer for indoor use or in a clean environment, a dry type transformer may be the best option. On the other hand, if you need a transformer for outdoor use or in a harsh environment, a liquid immersed transformer may be more suitable.

In conclusion, both dry type and liquid immersed transformers have their own advantages and disadvantages. The choice between the two will depend on factors such as the application, environment, and budget. It is important to work with a reputable transformer manufacturer or exporter to ensure that you are getting a high-quality product that meets your specific requirements. By doing so, you can ensure the reliable and efficient operation of your electrical system for years to come.