"At our core, Niagara Transformer has the best people, taking on the toughest engineering challenges with the highest quality and the shortest lead times." - John F. Darby, President

Electric Utility Transformer

Electric Utility Transformer

 

  • Up to 50 MVA base rating
  • Up to 138 kV, 550 kV BIL
  • 1, 2 or 3 phase
  • 60 or 50 hertz
  • ONAN, ONAF, OFAF, ONWF
  • 55ºC or 65ºC rise
  • Copper or aluminum
  • Circular, rectangular, disc, helical, layer
  • Harmonic allowances up to k-20
  • Conservator or Sealed tank construction
  • With or without on load tap changers (LTC)
  • Up to 20% IZ
  • IEEE/ANSI or IEC Standards
  • Full range of country specific certifications
  • High ambient & elevation designs available
  • Classified area designs available through Class 1 Division 2 Group C/D
  • Seismic designs through Seismic zone 4
  • UL Certified
  • Type II mineral oil, our preferred high fire point fluid FR3, Midel as well as other fluids
  • Full in house testing

 

 

Liquid-Filled
Dry-Type
Cast-Coil
Grounding
Reactor
Voltage Regulator
DeltaWye
DeltaWye
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Niagara Transformer
Niagara Transformer
Niagara Transformer