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. Each type has its own set of advantages and disadvantages, making them suitable for different applications.

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. This makes them ideal for indoor applications where the use of liquid-filled transformers may pose a Safety hazard. Dry type transformers are also more environmentally friendly, as they do not contain any oil or other hazardous substances.

On the other hand, liquid immersed transformers use oil or other insulating liquids to cool and insulate the transformer. These transformers are typically used in outdoor applications or in areas where space is limited, as they are more compact than dry type transformers. However, the use of oil in liquid immersed transformers can pose a risk of fire or environmental contamination if not properly maintained.

One of the main differences between dry type and liquid immersed transformers is their cooling methods. Dry type transformers rely on natural convection or forced air cooling to dissipate heat, while liquid immersed transformers use the insulating liquid to transfer heat away from the transformer. This difference in cooling methods can affect the efficiency and performance of the transformer, depending on the application.

Another difference between dry type and liquid immersed transformers is their maintenance requirements. Dry type transformers generally require less maintenance than liquid immersed transformers, as there is no need to monitor the condition of the insulating liquid or perform regular oil testing. However, dry type transformers may require more frequent cleaning to prevent dust buildup and ensure proper airflow for cooling.

In terms of cost, dry type transformers are typically more expensive than liquid immersed transformers. This is due to the higher cost of materials used in the construction of dry type transformers, as well as the additional components required for air cooling. Liquid immersed transformers, on the other hand, are generally more cost-effective and easier to install, making them a popular choice for many applications.

When choosing between dry type and liquid immersed transformers, it is important to consider the specific requirements of the application. Factors such as space limitations, environmental considerations, and maintenance requirements should all be taken into account when selecting the appropriate transformer for a particular project.

Type	Rating\\u00a0power\\u00a0\\uff08KVA\\uff09	Voltage\\u00a0combination\\uff08KV\\uff09	Off-load\\u00a0losses\\uff08W\\uff09	Load\\u00a0losses\\uff08W\\uff09	Off-load\\u00a0current\\u00a0\\uff08%\\uff09	Short-circuit\\u00a0impedance\\u00a0\\uff08%\\uff09
SCH15-30	30	6,6.3,6.6,10,11/0.4	70	710	1.6	4.0
SCH15-50	50	6,6.3,6.6,10,11/0.4	90	1000	1.4	4.0
SCH15-80	80	6,6.3,6.6,10,11/0.4	120	1380	1.3	4.0
SCH15-100	100	6,6.3,6.6,10,11/0.4	130	1570	1.2	4.0
SCH15-125	125	6,6.3,6.6,10,11/0.4	150	1850	1.1	4.0
SC(B)H15-160	160	6,6.3,6.6,10,11/0.4	170	2130	1.1	4.0
SC(B)H15-200	200	6,6.3,6.6,10,11/0.4	200	2530	1.0	4.0
SC(B)H15-250	250	6,6.3,6.6,10,11/0.4	230	2760	1.0	4.0
SC(B)H15-315	315	6,6.3,6.6,10,11/0.4	280	3470	0.9	4.0
SC(B)H15-400	400	6,6.3,6.6,10,11/0.4	310	3990	0.8	4.0
SC(B)H15-500	500	6,6.3,6.6,10,11/0.4	360	4880	0.8	4.0
SC(B)H15-630	630	6,6.3,6.6,10,11/0.4	420	5880	0.7	4.0
SC(B)H15-630	630	6,6.3,6.6,10,11/0.4	410	5960	0.7	6.0
SC(B)H15-800	800	6,6.3,6.6,10,11/0.4	480	6960	0.7	6.0
SC(B)H15-1000	1000	6,6.3,6.6,10,11/0.4	550	8130	0.6	6.0
SC(B)H15-1250	1250	6,6.3,6.6,10,11/0.4	650	9690	0.6	6.0
SC(B)H15-1600	1600	6,6.3,6.6,10,11/0.4	780	11730	0.6	6.0
SC(B)H15-2000	2000	6,6.3,6.6,10,11/0.4	1000	14450	0.5	6.0
SC(B)H15-2500	2500	6,6.3,6.6,10,11/0.4	1200	17170	0.5	6.0

In China, there are many enterprises that specialize in the design and manufacture of transformers, including both dry type and liquid immersed transformers. These companies have the expertise and experience to provide high-quality transformers that meet the needs of a wide range of applications. Many of these Chinese transformer manufacturers are also committed to environmental sustainability, using eco-friendly materials and processes in their production.

To learn more about the differences between dry type and liquid immersed transformers, as well as the latest developments in transformer technology, you can watch informative videos from Chinese transformer specialists. These videos provide valuable insights into the design, construction, and operation of transformers, helping you make informed decisions when selecting a transformer for your project.

In conclusion, the choice between dry type and liquid immersed transformers depends on a variety of factors, including cooling methods, maintenance requirements, cost, and environmental considerations. By understanding the differences between these two types of transformers and consulting with specialists in the field, you can select the right transformer for your specific application.