RPPL

250kVA to 2500kVA.

COMPACT SUBSTATION

DESIGN CAPACITIES

  • Ratings: 250kVA to 2500kVA.
  • Primary Voltage: 33000/22000/11000/6900/6600.
  • Secondary Voltage: 415/433/690/800.
  • Built to customer specifications in accordance with IS 1180 Part-1 and IS 2026 Energy Efficiency Standards.

STANDARD COMPACT SUBSTATION 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.
  • Oil BDV Test.
  • Magnetic Balance Test.
  • Insulation Resistance Test.
  • Vector Group Test.
  • Contact Resistance Test.
  • Insulation Resistance of HT Panel.
  • CT Testing of HT Panel.
  • Relay Testing.
  • Insulation Resistance of CSS.

OPTIONAL COMPACT SUBSTATION TESTS

  • Temperature Rise.
  • Sound Level.
  • Radio Influence Voltage.
  • Partial Discharges (Corona).
  • Basic Insulation Impulse Level.
  • SFRA Test.
  • Short circuit Test.

STANDARD ACCESSORIES AND FEATURES

  • DPC copper.
  • CRGO core./ Amorphous Core.
  • Pressure relief device.
  • HV & LV Bushings.
  • Grounding Bracket.
  • Conservator Tank.
  • Insulation material.
  • Power oil.
  • Vacuum circuit breaker.
  • LT Switch gear.
  • HV & LV cable box.
  • HV & LV fuse.
  • Surge arrester mounting provision.

OPTIONAL ACCESSORIES AND FEATURES

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

  • OTI/WTI indicator.
  • buchholz relay.
  • High voltage of circuit taps.
  • 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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