What is the difference between a dry transformer and an oil transformer?
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September 3, 2024 at 8:18 am by Kevin White
The main difference between a dry transformer and an oil transformer lies in their cooling and insulation methods. A dry transformer uses solid insulation and is cooled by air, making it less hazardous and easier to maintain in certain environments. In contrast, an oil transformer utilizes mineral oil as both an insulator and a cooling medium, allowing for better heat dissipation and increased efficiency, especially in high-capacity applications. Oil transformers tend to be larger and more suitable for outdoor installations, whereas dry transformers are often preferred for indoor use where space and safety are concerns. Overall, the choice between dry transformer vs oil transformer depends on the specific operational requirements, environmental conditions, and safety considerations of the installation.