RPPL

250kVA to 2500kVA.

DRY TYPE TRANSFORMER

DESIGN CAPACITIES

  • Ratings: 250kVA to 2500kVA.
  • Primary Voltage: 33000/11000/6900/6600.
  • Secondary Voltage: 415/433/690/6600/6900/11000.
  • Built to customer specifications in accordance with IS 1180 Part-1 and IS 2026 Energy Efficiency Standards.

STANDARD DRY TYPE TRANSFORMER TESTS

  • Winding Resistance Measurements.
  • Ratio and Polarity Measurements.
  • Exciting Current and No Load Losses Measurement.
  • Impedance and Load Losses Measurements.
  • AC Dielectric Test.
  • Induced Voltage Test.
  • Core Ground Test.
  • Magnetic Balance Test.
  • Insulation Resistance Test.
  • Vector Group Test.

OPTIONAL DRY TYPE TRANSFORMER TESTS

  • Sound Level.
  • Radio Influence Voltage.
  • Basic Insulation Impulse Level.
  • Short circuit Test.

STANDARD ACCESSORIES AND FEATURES

  • DPC copper.
  • CRGO core./ Amorphous Core.
  • HV & LV Bushings.
  • Grounding Bracket.
  • Insulation material/epoxy coating.
  • WTI indicator.

OPTIONAL ACCESSORIES AND FEATURES

Transformers may be provided with the following optional items if specified by the purchaser.

  • Surge arrester mounting provision.
  • Clamp type low voltage terminals.
  • Stud type or spade type low voltage bushings.
  • Buchholz relay.
  • High voltage of circuit taps.
  • Cable Box.
  • Additional tests may be requested by the purchaser and shall be performed.
  • Purchaser specified impedance limits.
  • A non resettable device that detects internal transformer faults, incorporates pressure relief, and provides an external indication visible from the ground.
  • Alternative protection devices, specified by the purchaser.
  • Purchaser specified maximum mass.
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