Dry Type Transformers

Dry type Transformers, class 'H' insulated, have insulating materials which are with high dielectric strength and are capable to withstand high temperatures. The temperatures are generally made to comply with IEC-60076/IS-2026/IS-1171. Range upto 1600 KVA and 11 KV Class.

Available versions :

  • Open type execution for installation in an existing panel or enclosure.

  • Well ventilated enclosure with lip-cut louvers & baffles for outdoor installation.

  • Non ventilated enclosure for outdoor installation.
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  • Use of non-biodegradable materials makes these suitable for strict environmental conditions.
  • No fire or explosion hazards because of use of nonflammable materials & absence of any liquid insulation.
  • Non-requirement of oil sump makes these ideally suitable for installation near load centers thus reducing cabling costs and improving voltage regulation.

Zero Maintenance
  • Drastically reduced maintenance and cleaner looks because of absence of any insulating liquid.
  • A lifecycle analysis would reveal the cost-effectiveness of Dry type Transformers in the long run though these require higher initial cost.
  • Easy handling and access to active parts for inspection.

  • The Dry-type transformers are designed for required BIL values and are tested for dynamic short circuit.