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Disadvantages of Dry Type Transformer

The disadvantages are

  • These transformers are expensive
  • Maintenance is difficult
  • When the coils of the transformer are not properly cleaned then they can cause fire risks
  • Maintenance of these devices needs deactivation & downtime.
  • Electrical losses in these transformers are extensively higher.
  • A cooling system must be required to control the losses which are generated by heat.
  • Operating noises are high so they are not applicable in some indoor applications.