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Transformer Repair Services, Rewinds, Retrofits, Rebuilds

There are many advantages in repairing or reconditioning your transformers. Controlled Magnetics has the manufacturing experience, knowledge, and facilities to repair a wide variety of electrical power transformers. Our repair technicians are certified and highly trained to provide the proper solutions for your transformer problems. We utilize the latest technology in infrared scanning and electrical testing to immediately detect weak areas that need improvement in your transformers.

The Following Transformers Can Be Repaired With a Fast Return Time and Competitive Pricing

  • Dry-type, single phase, and three phase transformers
  • Single phase and three phase voltage regulators
  • Dry type windings, single phase and three phase transformers
  • Transformers with ratings from 100 KVA to 2500 KVA
  • All transformer repairs meet UL, IEEE, NEMA, and ANSI standards.
Transformer Manufacturing

Transformer Testing

  • Vacuum and pressure testing
  • Insulation resistance
  • Polarity testing
  • Dielectric loss analysis
  • Ratio
Transformer Parts Manufactured

Other Transformer Services

  • Transformer inspection
  • Transformer rebuilds, remanufacturing, retrofits
  • Transformer core repairs
  • Restacking complete rewinds
  • Complete bake out of tank coil and core ensuring no moisture
  • Installation of new gasket sets and seals
  • Leak repairs
Transformer Varnishing
Transformer Rebuilding Transformers Rebuilt


Our transformer repair and rebuild service covers the USA and Canada: