Exploring the Differences Between Dry Type and Oil Filled Transformers

Transformers are essential components in electrical systems, responsible for stepping up or stepping Down voltage Levels to ensure efficient power distribution. When it comes to transformers, there are two main types: dry type and oil-filled 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 or gas to dissipate heat generated during operation. This makes them ideal for indoor applications where fire Safety is a concern, as they do not pose the risk of oil leaks or spills. Dry type transformers are also more environmentally friendly, as they do not contain any hazardous substances that could potentially leak into the Environment.

On the other hand, oil-filled transformers use oil as a cooling and insulating medium. The oil helps to dissipate heat more efficiently, allowing the transformer to operate at higher power levels without overheating. Oil-filled transformers are typically used in outdoor applications or in locations where fire safety is not a major concern. However, the use of oil in these transformers can pose environmental risks if not properly maintained or disposed of.

One of the key differences between dry type and oil-filled transformers is their maintenance requirements. Dry type transformers generally require less maintenance compared to oil-filled transformers, as there is no need to monitor oil levels or perform regular oil testing. This can result in lower maintenance costs and reduced downtime for the transformer.

Type	Rating\\u00a0capacity\\u00a0\\uff08KVA\\uff09	Voltage\\u00a0combination\\uff08KV\\uff09	No-load\\u00a0losses\\uff08W\\uff09	Load\\u00a0losses\\uff08W\\uff09	No-load\\u00a0current\\u00a0(%)	Short-circuit\\u00a0impedance\\u00a0(%)
S11-630	630	33,35/6.3,6.6,10.5,11	830	7870	1.10	6.5
S11-800	800	33,35/6.3,6.6,10.5,11	980	9410	1.00	6.5
S11-1000	1000	33,35/6.3,6.6,10.5,11	1150	11540	1.00	6.5
S11-1250	1250	33,35/6.3,6.6,10.5,11	1410	13940	0.90	6.5
S11-1600	1600	33,35/6.3,6.6,10.5,11	1700	16670	0.80	6.5
S11-2000	2000	33,35/6.3,6.6,10.5,11	2180	18380	0.70	6.5
S11-2500	2500	33,35/6.3,6.6,10.5,11	2560	19670	0.60	6.5
S11-3150	3150	33,35/6.3,6.6,10.5,11	3040	23090	0.56	7.0
S11-4000	4000	33,35/6.3,6.6,10.5,11	3620	27360	0.56	7.0
S11-5000	5000	33,35/6.3,6.6,10.5,11	4320	31380	0.48	7.0
S11-6300	6300	33,35/6.3,6.6,10.5,11	5250	35060	0.48	7.5
S11-8000	8000	33,35/6.3,6.6,10.5,11	7200	38500	0.42	7.5
S11-10000	10000	33,35/6.3,6.6,10.5,11	8700	45300	0.42	7.5
S11-12500	12500	33,35/6.3,6.6,10.5,11	10080	53900	0.40	8.0
S11-16000	16000	33,35/6.3,6.6,10.5,11	12160	65800	0.40	8.0
S11-20000	20000	33,35/6.3,6.6,10.5,11	14400	79500	0.40	8.0
S11-25000	25000	33,35/6.3,6.6,10.5,11	17020	94100	0.32	8.0
S11-31500	31500	33,35/6.3,6.6,10.5,11	20220	112900	0.32	8.0

In terms of efficiency, both dry type and oil-filled transformers have similar performance characteristics. However, oil-filled transformers are generally more efficient at higher power levels, as the oil helps to dissipate heat more effectively. This makes them suitable for applications where high power levels are required, such as in industrial settings or power plants.

When it comes to cost, dry type transformers are typically more expensive upfront compared to oil-filled transformers. However, the lower maintenance requirements and longer lifespan of dry type transformers can result in cost savings over the long term. Oil-filled transformers, on the other hand, may have lower initial costs but can be more expensive to maintain and operate in the long run.

In China, there are many companies that specialize in the manufacturing of both dry type and oil-filled transformers. These companies often offer a wide range of transformer products, including medium voltage transformers that are suitable for a variety of applications. Many of these companies are also committed to environmental sustainability, using eco-friendly materials and manufacturing processes to reduce their impact on the environment.

To learn more about the differences between dry type and oil-filled transformers, you can watch informative videos produced by Chinese transformer companies. These videos often provide detailed explanations of the design and operation of different types of transformers, helping you to better understand the advantages and disadvantages of each type. By exploring the differences between dry type and oil-filled transformers, you can make an informed decision when selecting a transformer for your specific application.

model	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\\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