Comparing Dry Type and Liquid Immersed Transformers

Transformers are essential components in electrical systems, as they help to regulate voltage Levels and ensure the safe and efficient distribution of electricity. When it comes to transformers, there are two main types: dry type and liquid immersed transformers. 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 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 for cooling. This allows them to handle higher power levels and provide better insulation compared to dry type transformers. Liquid immersed transformers are commonly used in outdoor applications or in areas where space is not a constraint.

One of the key differences between dry type and liquid immersed transformers is their efficiency. Dry type transformers typically have lower efficiency ratings compared to liquid immersed transformers, as the lack of a cooling liquid can Lead to higher operating temperatures. This can result in increased energy losses and reduced overall efficiency.

In terms of maintenance, dry type transformers are generally easier to maintain compared to liquid immersed transformers. Since they do not use oil or other liquids, there is no need for regular oil testing or replacement. However, dry type transformers may require more frequent cleaning to prevent dust and debris from accumulating on the windings.

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
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

Liquid immersed transformers, on the other hand, require regular oil testing and maintenance to ensure proper insulation and cooling. This can add to the overall maintenance costs and complexity of these transformers. Additionally, the risk of oil leaks or spills can pose environmental hazards and require proper containment measures.

When it comes to cost, dry type transformers are typically more expensive upfront compared to liquid immersed transformers. However, the lower maintenance requirements and longer lifespan of dry type transformers can result in lower overall costs over the long term. Liquid immersed transformers may have lower initial costs, but the ongoing maintenance and operational costs can add up over time.

In conclusion, both dry type and liquid immersed transformers have their own set of advantages and disadvantages. The choice between the two types will depend on factors such as the application, space constraints, efficiency requirements, and budget considerations. It is important to carefully evaluate these factors before selecting a transformer for your specific needs.

If you are looking for high-quality transformers, China is a leading manufacturer of medium voltage transformers. With a long history of producing high-class transformers, Chinese manufacturers have the expertise and experience to deliver reliable and efficient products. Many Chinese transformer manufacturers also offer videos showcasing their manufacturing processes and quality control measures, allowing customers to see firsthand the level of craftsmanship and attention to detail that goes into each transformer.

model	Rating\\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\\u00a0impedance\\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

Whether you choose a dry type or liquid immersed transformer, it is important to work with a reputable manufacturer that can provide you with the right solution for your electrical system. By understanding the differences between these two types of transformers and considering your specific requirements, you can make an informed decision that will ensure the safe and efficient operation of your electrical system.