Power Transformers | Southwest Electric Co.
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Power Transformers

What We Can Do For You

SGB-SMIT USA brings the full manufacturing capability of Royal SMIT Transformers — based in Nijmegen, Netherlands — to the U.S. market. With transformers rated from 100 to 1,200 MVA and up to 765 kV, we deliver solutions engineered for the highest voltage classes and most demanding grid applications worldwide.

Large power transformer solutions for the most demanding applications, including:

  • Generator step-up transformers
  • Auto-transformers
  • Grid transformers
  • Phase shifting transformers
  • Reactors

 

Large power transformer capabilities

SGB-SMIT USA provides access to the SGB-SMIT Group’s large power transformer portfolio, manufactured at a world-class facility with no limitations on size or weight, including:

  • Power ratings from 100 MVA to 1,200 MVA
  • Voltage classes up to 765 kV
  • Generator step-up transformers for power generation applications
  • Auto-transformers for high-voltage grid interconnection
  • Grid transformers for transmission and distribution networks
  • Phase shifting transformers for power flow control
  • Shunt and series reactors
  • Unique single-winding-clamping construction for superior quality
  • Lean manufacturing principles for consistent throughput and quality
  • Direct port access for global shipping via Rotterdam

Medium power transformer capabilities

SGB-SMIT USA provides access to the SGB-SMIT Group’s full medium power transformer portfolio, manufactured across facilities in Regensburg and Neumark, Germany and Sibiu, Romania, including:

  • Power ratings from 5 MVA to 200 MVA
  • Service voltages up to 245 kV
  • On-load tap changers with up to 22% tapping range, adjustable in up to 27 steps under load
  • Off-load tap changers for voltage adjustment off circuit
  • Common connection groups including YNd5, YNd11, Ynyn0, and YNyn6 with and without delta stabilizing windings
  • Boltless cores of high-quality cold-rolled, grain-oriented transformer steel in step-lap technique
  • Windings manufactured on modern horizontal and vertical machines with predefined tensile force and clamping pressure
  • Corrosion protection selected to suit installation and environmental conditions
  • Vacuum-proof and pressure-resistant tanks, expansion vessels, radiators, and bushings
  • Optimized no-load and short-circuit losses and noise levels per project requirements
  • Compliant with IEC 60076, VDE 0532, and all relevant international standards