Comparing 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. When it comes to transformers, there are two main types: dry type and liquid immersed. Each type has its own set of advantages and disadvantages, making it important for users to understand the differences between the two.

Dry type transformers, as the name suggests, do not use any liquid for cooling. Instead, they rely on air to dissipate heat generated during operation. This makes them ideal for indoor applications where the use of liquid-filled transformers may not be practical. Dry type transformers are also known for their low maintenance requirements and high efficiency. However, they tend to be larger and heavier than liquid immersed transformers, making them less suitable for outdoor installations.

On the other hand, liquid immersed transformers use oil or other insulating liquids for cooling. This allows them to be more compact and lightweight compared to dry type transformers. Liquid immersed transformers are also better suited for outdoor installations, as the liquid helps to dissipate heat more effectively. However, they require regular maintenance to ensure the integrity of the insulating liquid and prevent leaks.

Dry transfo\\u00a0	Rated\\u00a0power\\u00a0\\uff08KVA\\uff09	Voltage\\u00a0combination\\uff08KV\\uff09	No-load\\u00a0losses\\uff08W\\uff09	Load\\u00a0losses\\uff08W\\uff09	No-load\\u00a0current\\u00a0\\uff08%\\uff09	Short-circuit\\u00a0voltage\\u00a0\\uff08%\\uff09
SC10-30	30	6,6.3,6.6,10,11/0.4	190	710	2.4	4.0
SC10-50	50	6,6.3,6.6,10,11/0.4	270	1000	2.4	4.0
SC10-80	80	6,6.3,6.6,10,11/0.4	370	1380	1.8	4.0
SC10-100	100	6,6.3,6.6,10,11/0.4	400	1570	1.8	4.0
SC10-125	125	6,6.3,6.6,10,11/0.4	470	1850	1.6	4.0
SCB10-160	160	6,6.3,6.6,10,11/0.4	550	2130	1.6	4.0
SCB10-200	200	6,6.3,6.6,10,11/0.4	630	2530	1.4	4.0
SCB10-250	250	6,6.3,6.6,10,11/0.4	720	2760	1.4	4.0
SCB10-315	315	6,6.3,6.6,10,11/0.4	880	3470	1.2	4.0
SCB10-400	400	6,6.3,6.6,10,11/0.4	980	3990	1.2	4.0
SCB10-500	500	6,6.3,6.6,10,11/0.4	1160	4880	1.2	4.0
SCB10-630	630	6,6.3,6.6,10,11/0.4	1350	5880	1.0	4.0
SCB10-630	630	6,6.3,6.6,10,11/0.4	1300	5960	1.0	6.0
SCB10-800	800	6,6.3,6.6,10,11/0.4	1520	6960	1.0	6.0
SCB10-1000	1000	6,6.3,6.6,10,11/0.4	1770	8130	1.0	6.0
SCB10-1250	1250	6,6.3,6.6,10,11/0.4	2090	9690	1.0	6.0
SCB10-1600	1600	6,6.3,6.6,10,11/0.4	2450	11730	1.0	6.0
SCB10-2000	2000	6,6.3,6.6,10,11/0.4	3050	14450	0.8	6.0
SCB10-2500	2500	6,6.3,6.6,10,11/0.4	3600	17170	0.8	6.0

When it comes to choosing between dry type and liquid immersed transformers, there are several factors to consider. The first is the application. If the transformer will be installed indoors, a dry type transformer may be more suitable. On the other hand, if the transformer will be installed outdoors or in a harsh Environment, a liquid immersed transformer may be a better choice.

Type	Rating\\u00a0capacity\\u00a0\\uff08KVA\\uff09	Voltage\\u00a0combination\\uff08KV\\uff09	Off-load\\u00a0losses\\uff08W\\uff09	Load\\u00a0losses\\uff08W\\uff09	Off-load\\u00a0current\\u00a0\\uff08%\\uff09	Short-circuit\\u00a0voltage\\u00a0\\uff08%\\uff09
SZ11-2000	2000	33,35/6.3,6.6,10.5,11	2300	19240	0.80	6.5
SZ11-2500	2500	33,35/6.3,6.6,10.5,11	2720	20640	0.80	6.5
SZ11-3150	3150	33,35/6.3,6.6,10.5,11	3230	24710	0.72	7.0
SZ11-4000	4000	33,35/6.3,6.6,10.5,11	3870	29160	0.72	7.0
SZ11-5000	5000	33,35/6.3,6.6,10.5,11	4640	34200	0.68	7.0
SZ11-6300	6300	33,35/6.3,6.6,10.5,11	5630	36800	0.68	7.5
SZ11-8000	8000	33,35/6.3,6.6,10.5,11	7870	40600	0.60	7.5
SZ11-10000	10000	33,35/6.3,6.6,10.5,11	9280	48100	0.60	7.5
SZ11-12500	12500	33,35/6.3,6.6,10.5,11	10940	56900	0.56	8.0
SZ11-16000	16000	33,35/6.3,6.6,10.5,11	13170	70300	0.54	8.0
SZ11-20000	20000	33,35/6.3,6.6,10.5,11	15570	82800	0.54	8.0

Another factor to consider is the cost. Dry type transformers tend to be more expensive upfront, but they require less maintenance over time. Liquid immersed transformers, on the other hand, may have a lower initial cost but require more frequent maintenance, which can add up over the lifespan of the transformer.

In terms of efficiency, both dry type and liquid immersed transformers are capable of providing reliable voltage regulation. However, dry type transformers are known for their high efficiency, making them a popular choice for applications where energy efficiency is a priority.

When it comes to manufacturers, China has emerged as a leading producer of transformers. Chinese manufacturers are known for their high-quality products and competitive prices. Whether you are looking for a dry type transformer, liquid immersed transformer, or pole mounted transformer, you can find a wide range of options from Chinese manufacturers.

To help you make an informed decision, many Chinese transformer manufacturers provide detailed product information on their websites, including specifications, performance data, and pricing. Some manufacturers even offer videos showcasing their products in action, allowing you to see firsthand how the transformers perform in real-world applications.

In conclusion, when comparing dry type and liquid immersed transformers, it is important to consider factors such as application, cost, efficiency, and manufacturer. By weighing these factors carefully, you can choose the transformer that best meets your specific needs and requirements. With the wide range of options available from Chinese manufacturers, you can find a high-quality transformer with a competitive price ratio that will provide reliable performance for years to come.