This 315kVA vacuum pressure impregnated dry type transformer is made from the most non-flammable materials for insulating the windings. The windings of this transformer are made from continuous foil or metal sheets. But for higher voltages, the winding consists of disks connected in series or in parallel, depending on the power rating associated with the voltage level. The winding insulation is impregnated with void-free Class H polyester resin. The primary winding and secondary winding with iron core are firmly placed in the vacuum protection box. Highly moisture-proof and not affected by moisture.
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This type of transformer is available in two grades from 5KVA to 30MVA, with insulation grades of F (155°C) and H (180°C). The protection level is up to IP56. This transformer has several advantages. they are-
1. High mechanical strength.
2. Void-free insulation.
3. No temperature fluctuation.
4. Easy to maintain.
5. Not prone to fire.
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