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Dry Type Transformer Vs Oil Cooled Transformer – Complete Guide

Transformer is one of the highly used electrical devices in the world and it has application in almost every field of work. It is most commonly used to alter the incoming voltage according to the requirements. It has applications in various areas, where electricity plays the major role.

Transformer

Transformer is one of the most important devices that provides a lot of benefits. Generally, electrical devices are designed to work on a certain voltage. They can perform efficiently when appropriate voltage is supplied. Also, it will increase the life expectancy of the devices.

There are many types of transformers available nowadays. Among all, dry type and oil cooled transformers are popular types. They are widely chosen types of transformers by many businesses and globally these types of transformers are in huge demand.

Vajra Transpower Pvt. Ltd. is a reputed electrical transformer manufacturer in Hyderabad, and we manufacture a wide range of transformers. In this article, we have explained the difference between oil cooled and dry type transformers. This article also provides the information which would help you to choose the best one according to your requirements.

Oil Cooled Vs Dry Type Transformer

Transformers are widely used to take power directly from the supply line and convert it into low voltage electricity. The converted electricity will be used by the machinery and appliances effectively.

Although, both are different, but the end result of both dry type and oil cooled transformer is similar. Transformers generate a lot of heat, which has to be dissipated to keep the transformer safe. Dry type and oil cooled transformers are the popular types of transformers, so in this article, let’s see the major differences.

Cooling Medium

A cooling medium is very important to reduce the chances of overheating, which could result in potential fire accidents and explosions. Overheating is an inevitable problem of a transformer and it has to be addressed for better transformer life.

In Dry type transformer, the cooling medium will be air. And in the oil cooled transformer, the cooling medium will be oil instead of air.

Maintenance of Transformer

Compared to dry type transformers, oil filled transformers require maintenance more often. Regularly the oil has to be sampled to ensure the oil is free from contamination. In some public places, oil filled transformers are not used, because the oil used in those transformers will be flammable.

Dry type transformers are very resistant to chemical contamination, so the chances of accidents while working will be very less. This makes a dry type transformer suitable for installation in public places.

Also, most of the transformers make a lot of noise, and it is an inevitable characteristic of any transformer. But, compared to dry type transformers, oil filled transformers are quieter.

Voltage Capacity

Both dry type and oil cooled transformers are designed for different voltage requirements. Generally, dry type transformers are used designed to handle small to medium voltage rating and MVA. On the other hand, oil filled cooled transformers are designed to handle heavy loads.

Dry type transformers are suitable for small applications, and oil filled transformers are ideal for heavy load conditions.

Efficiency of the Transformer

Oil filled transformers are proven to be more efficient than dry type transformers. Dry type transformer is designed for small applications and it can handle limited voltage ratings. Increase in the load can cause overheating and damage the transformer. Therefore, oil filled transformers are more efficient than dry type transformers.

These are the top four major differences between the dry type and oil filled transformers. Also, one of the major things about these transformers is that oil filled transformers are cheaper than dry type transformers.

So, if you are planning to buy a transformer, consider the above aspects for better selection of transformers.

Vajra Transpower Pvt. Ltd. is one of the popular transformer manufacturers in Hyderabad, and we also manufacture dry type and oil filled transformers. We have years of experience in manufacturing transformers and we manufacture and supply transformers like power transformers, distribution transformers, solar power transformers, step up and step down transformers, etc.

We have incorporated the best technology to ensure the quality and reliability of the transformers that we manufacture. Vajra Transpower has the professional and highly qualified engineers, and we design and manufacture transformers using the high grade material. So, our transformers will be highly durable and work efficiently for a very long time.

If you want to buy a dry type or oil filled transformer, then choose us. We are one of the best oil cooled transformer and dry type transformer manufacturers in Hyderabad. Contact us or reach our company for the transformers at the best prices in Hyderabad.

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