Pulse Transformers (Rectifier Duty)

Liquid filled Rectifier Duty Transformers are designed to handle non-linear, non-sinusoidal loads resulting from their use, with a variety of power electronic applications such as diode, thyristor or furnace duty and power electronics from 6, 12, 24, 36, 48, or 60 pulse configurations.

Transformer Specifications

Special design considerations should be used to account for the additional harmonic heating, more severe axial forces, severe overloads and short circuit forces that can be seen as compared with a standard power transformer. Niagara Power Transformer’s superior engineering expertise paired with our unmatched years of manufacturing experience and high-grade materials allow us to provide the best in-class Rectifier Duty Transformers.

  • Specialty circuit configurations
  • Multiple phase shifts starting at 12 pulse
  • Up to 50 MVA base rating
  • Up to 138 kV, 650 kV BIL
  • Copper or aluminum wound
  • Designed to meet specific harmonic spectrums
  • Industry leader in process and high current applications
  • Seismic classifications
  • Mineral Oil, Enviro Temp FR3, Luminol, or other liquids
  • Sealed tank or conservator tank designs
  • Special dimensional requirements
  • Non-standard elevation and ambient designs
  • Special service conditions
  • Meets IEEE Standard C57.18.10
  • For variable speed motor drive applications
  • Cancel harmonics to the power system

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