Differences Between Dry Type and Oil Filled 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 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 oil as a cooling medium. Instead, they rely on air or other gases to dissipate heat generated during operation. This makes them a popular choice for indoor applications where the use of oil may pose a Safety hazard. Dry type transformers are also more environmentally friendly, as they do not require the use of oil, which can be harmful if leaked into the Environment.

On the other hand, oil-filled transformers use oil as a cooling medium to dissipate heat. The oil helps to transfer heat away from the transformer’s windings, ensuring that it operates at optimal temperatures. Oil-filled transformers are typically used in outdoor applications or in areas where fire safety is a concern, as the oil helps to suppress any potential fires that may occur.

One of the main differences between dry type and oil-filled transformers is their insulation systems. Dry type transformers use solid insulation materials such as epoxy resin or fiberglass, which are less prone to degradation over time. This makes them a more durable option compared to oil-filled transformers, which use liquid insulation materials that may degrade over time due to exposure to heat and moisture.

In terms of maintenance, dry type transformers are generally easier to maintain compared to oil-filled transformers. Since they do not use oil, there is no need for regular oil testing and replacement, which can be a time-consuming and costly process. However, oil-filled transformers may have a longer lifespan compared to dry type transformers, as the oil helps to protect the transformer’s windings from moisture and other contaminants.

When it comes to efficiency, both dry type and oil-filled transformers have their own advantages. Dry type transformers are known for their high efficiency levels, as they do not suffer from energy losses due to oil circulation. On the other hand, oil-filled transformers may have slightly lower efficiency levels due to the energy required to circulate the oil within the transformer.

In China, there are many companies that specialize in the manufacturing of high-quality transformers, both dry type and oil-filled. These companies have a long history of producing transformers for various industries and applications, making them a trusted choice for customers looking for reliable and efficient transformers.

model	Rated\\u00a0capacity\\u00a0\\uff08KVA\\uff09	Off-load\\u00a0losses\\uff08W\\uff09	Voltage\\u00a0combination\\u00a0\\uff08KV\\uff09	Load\\u00a0losses\\uff08W\\uff09	Off-load\\u00a0current\\u00a0\\uff08%\\uff09	Short-circuit\\u00a0voltage\\u00a0\\uff08%\\uff09
S11-M-30	30	100	6,6.3,10,10.5,11/0.4	600	2.3	4.0
S11-M-50	50	130	6,6.3,10,10.5,11/0.4	870	2.0	4.0
S11-M-63	63	150	6,6.3,10,10.5,11/0.4	1040	1.9	4.0
S11-M-80	80	180	6,6.3,10,10.5,11/0.4	1250	1.9	4.0
S11-M-100	100	200	6,6.3,10,10.5,11/0.4	1500	1.8	4.0
S11-M-125	125	240	6,6.3,10,10.5,11/0.4	1800	1.7	4.0
S11-M-160	160	280	6,6.3,10,10.5,11/0.4	2200	1.6	4.0
S11-M-200	200	340	6,6.3,10,10.5,11/0.4	2600	1.5	4.0
S11-M-250	250	400	6,6.3,10,10.5,11/0.4	3050	1.4	4.0
S11-M-315	315	480	6,6.3,10,10.5,11/0.4	3650	1.4	4.0
S11-M-400	400	570	6,6.3,10,10.5,11/0.4	4300	1.3	4.0
S11-M-500	500	680	6,6.3,10,10.5,11/0.4	5100	1.2	4.0
S11-M-630	630	810	6,6.3,10,10.5,11/0.4	6200	1.1	4.5
S11-M-800	800	980	6,6.3,10,10.5,11/0.4	7500	1.0	4.5
S11-M-1000	1000	1150	6,6.3,10,10.5,11/0.4	10300	1.0	4.5
S11-M-1250	1250	1360	6,6.3,10,10.5,11/0.4	12800	0.9	4.5
S11-M-1600	1600	1640	6,6.3,10,10.5,11/0.4	14500	0.8	4.5
S11-M-2000	2000	2280	6,6.3,10,10.5,11/0.4	17820	0.6	5.0
S11-M-2500	2500	2700	6,6.3,10,10.5,11/0.4	20700	0.6	5.0
S11-M-30-	30	90	20,22/0.4	660	2.1	5.5
S11-M-50-	50	130	20,22/0.4	960	2	5.5
S11-M-63-	63	150	20,22/0.4	1145	1.9	5.5
S11-M-80-	80	180	20,22/0.4	1370	1.8	5.5
S11-M-100-	100	200	20,22/0.4	1650	1.6	5.5
S11-M-125-	125	240	20,22/0.4	1980	1.5	5.5
S11-M-160-	160	290	20,22/0.4	2420	1.4	5.5
S11-M-200-	200	330	20,22/0.4	2860	1.3	5.5
S11-M-250-	250	400	20,22/0.4	3350	1.2	5.5
S11-M-315-	315	480	20,22/0.4	4010	1.1	5.5
S11-M-400-	400	570	20,22/0.4	4730	1	5.5
S11-M-500	500	680	20,22/0.4	5660	1	5.5
S11-M-630	630	810	20,22/0.4	6820	0.9	6
S11-M-800	800	980	20,22/0.4	8250	1.8	6
S11-M-1000	1000	1150	20,22/0.4	11330	0.7	6
S11-M-1250	1250	1350	20,22/0.4	13200	0.7	6
S11-M-1600	1600	1630	20,22/0.4	15950	0.6	6

One such company is Veteran Transformers, a leading manufacturer of transformers in China. With years of experience in the industry, Veteran Transformers has built a reputation for producing high-quality transformers that meet the needs of their customers. They offer a wide range of transformers, including 3 phase transformers, which are commonly used in industrial and commercial applications.

To showcase their expertise and products, Veteran Transformers has produced a series of videos that highlight the features and benefits of their transformers. These videos provide valuable insights into the different types of transformers available, including dry type and oil-filled transformers, and help customers make informed decisions when choosing a transformer for their specific needs.

In conclusion, the choice between dry type and oil-filled transformers ultimately depends on the specific requirements of the application. Both types have their own set of advantages and disadvantages, and it is important to consider factors such as safety, maintenance, efficiency, and lifespan when selecting a transformer. Companies like Veteran Transformers in China offer a wide range of high-quality transformers to meet the diverse needs of their customers, making them a reliable choice for those looking for top-notch transformer solutions.