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Dry-type transformers categories

Jan 14, 2017

In the form of dry-type transformer

• Open: is a commonly used form of their direct contact with the atmosphere, adapted to the dry and clean Interior, (at an ambient temperature of 20 degrees, the relative humidity should not exceed 85%), generally air cooled and air cooled cooling in two ways.

• Closed: device in a closed housing, not in direct contact with the atmosphere (due to poor sealing, thermal conditions, mainly used in mine, belonging to the explosion-proof type).

• Casting type: epoxy resin or cast resin insulation, it has a simple structure, small size, suitable for small capacity transformers. This article reproduced from the Tao of shearing machine


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