Advantages of Dry Type Transformers Over Oil Immersed Transformers

Transformers are essential components in electrical systems, used to step up or step Down voltage Levels for efficient power distribution. There are two main types of transformers commonly used in the industry: dry type transformers and oil immersed transformers. In this article, we will explore the advantages of dry type transformers over oil immersed transformers.

Dry type transformers, as the name suggests, do not use any liquid for insulation or cooling. Instead, they rely on air or solid insulation materials such as epoxy resin to provide insulation and heat dissipation. On the other hand, oil immersed transformers use mineral oil as a coolant and insulating medium.

One of the main advantages of dry type transformers is their environmental friendliness. Since they do not contain any oil, there is no risk of oil leaks or spills that can harm the Environment. This makes dry type transformers a preferred choice for indoor installations or locations where oil containment is a concern.

Type	Rating power （KVA）	No-load losses（W）	Voltage combination （KV）	Load losses（W）	No-load current （%）	Short-circuit impedance （%）
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

Another advantage of dry type transformers is their lower maintenance requirements. Oil immersed transformers require regular monitoring and maintenance to ensure the oil is clean and at the correct level. In contrast, dry type transformers are virtually maintenance-free, reducing downtime and operational costs.

Dry type transformers are also more compact and lightweight compared to oil immersed transformers. This makes them ideal for installations where space is limited or weight restrictions apply. Additionally, dry type transformers are easier to transport and handle due to their smaller size and weight.

In terms of Safety, dry type transformers are considered safer than oil immersed transformers. Since there is no oil involved, the risk of fire or explosion is significantly reduced. This makes dry type transformers a safer option for installations in sensitive or hazardous environments.

Furthermore, dry type transformers are more resistant to environmental factors such as moisture, dust, and contaminants. This makes them suitable for a wide range of applications, including indoor and outdoor installations. Oil immersed transformers, on the other hand, are more susceptible to environmental damage and may require additional protection measures.

Type	Rating power （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current （%）	Short-circuit voltage （%）
SC12-30	30	6,6.3,6.6,10,11/0.4	150	710	2.0	4.0
SC12-50	50	6,6.3,6.6,10,11/0.4	215	1000	2.0	4.0
SC12-80	80	6,6.3,6.6,10,11/0.4	295	1380	1.5	4.0
SC12-100	100	6,6.3,6.6,10,11/0.4	320	1570	1.5	4.0
SC12-125	125	6,6.3,6.6,10,11/0.4	375	1850	1.3	4.0
SCB12-160	160	6,6.3,6.6,10,11/0.4	430	2130	1.3	4.0
SCB12-200	200	6,6.3,6.6,10,11/0.4	495	2530	1.1	4.0
SCB12-250	250	6,6.3,6.6,10,11/0.4	575	2760	1.1	4.0
SCB12-315	315	6,6.3,6.6,10,11/0.4	705	3470	1.0	4.0
SCB12-400	400	6,6.3,6.6,10,11/0.4	785	3990	1.0	4.0
SCB12-500	500	6,6.3,6.6,10,11/0.4	930	4880	1.0	4.0
SCB12-630	630	6,6.3,6.6,10,11/0.4	1070	5880	0.85	4.0
SCB12-630	630	6,6.3,6.6,10,11/0.4	1040	5960	0.85	6.0
SCB12-800	800	6,6.3,6.6,10,11/0.4	1210	6960	0.85	6.0
SCB12-1000	1000	6,6.3,6.6,10,11/0.4	1410	8130	0.85	6.0
SCB12-1250	1250	6,6.3,6.6,10,11/0.4	1670	9690	0.85	6.0
SCB12-1600	1600	6,6.3,6.6,10,11/0.4	1960	11700	0.85	6.0
SCB12-2000	2000	6,6.3,6.6,10,11/0.4	2440	14400	0.7	6.0
SCB12-2500	2500	6,6.3,6.6,10,11/0.4	2880	17100	0.7	6.0

In terms of efficiency, dry type transformers are comparable to oil immersed transformers. Both types of transformers are designed to efficiently step up or step down voltage levels with minimal energy losses. However, dry type transformers may have a slight edge in terms of energy efficiency due to their compact design and efficient Cooling System.

Overall, dry type transformers offer several advantages over oil immersed transformers, including environmental friendliness, lower maintenance requirements, compact size, safety, and resistance to environmental factors. These advantages make dry type transformers a popular choice for a wide range of applications, from industrial to commercial installations.

If you are looking for a reliable supplier of dry type transformers with a short Lead time, consider contacting a reputable China factory. Many Chinese manufacturers specialize in producing high-quality dry type transformers at competitive prices. You can also find informative videos online that showcase the manufacturing process and features of dry type transformers. By choosing dry type transformers from a trusted supplier, you can enjoy the benefits of this advanced technology in your electrical system.

How to Choose a Reliable Pole Mounted Transformer Supplier in China

When it comes to choosing a reliable pole mounted transformer supplier in China, there are several factors to consider. One of the first decisions you will need to make is whether to go with a dry type or oil immersed transformer. Both types have their own advantages and disadvantages, so it is important to understand the differences between them before making a decision.

Dry type transformers are typically more environmentally friendly and require less maintenance than oil immersed transformers. They are also safer to operate and can be installed in indoor or outdoor locations. However, they tend to be more expensive upfront and may not be as efficient as oil immersed transformers. On the other hand, oil immersed transformers are more cost-effective and have higher efficiency levels, but they require regular maintenance and pose a higher risk of fire.

Once you have decided on the type of transformer you need, the next step is to find a reliable supplier in China. It is important to choose a supplier that has a good reputation for quality products and reliable service. Look for a supplier that has been in business for several years and has a track record of delivering on time and within budget.

One way to gauge the reliability of a supplier is to look for customer reviews and testimonials. This will give you an idea of what other customers have experienced when working with the supplier. You can also ask for references from the supplier and contact them directly to get feedback on their experience.

Another important factor to consider when choosing a pole mounted transformer supplier in China is lead time. You will want to work with a supplier that can deliver your transformers in a timely manner to avoid any delays in your project. Look for a supplier that has a short lead time and can accommodate your schedule.

In addition to quality, reliability, and lead time, it is also important to consider the level of customer support offered by the supplier. You will want to work with a supplier that is responsive to your needs and can provide assistance when needed. Look for a supplier that offers technical support, training, and after-sales service to ensure that your transformers are installed and operated correctly.

One way to get a better understanding of a supplier’s capabilities is to watch videos of their products in action. Many suppliers in China have videos on their websites or social media channels that showcase their transformers and demonstrate how they work. Watching these videos can give you a better idea of the quality and performance of the supplier’s products.

In conclusion, choosing a reliable pole mounted transformer supplier in China requires careful consideration of several factors. From the type of transformer to lead time, customer support, and product demonstrations, there are many aspects to consider when making your decision. By doing your research and taking the time to find a reputable supplier, you can ensure that your project is successful and that your transformers meet your needs.