• Repair
  • Recondition
  • Redesign
  • .5 – 500 KVA
  • 35-kV class 200-kV BIL
  • Recondition and rewind units receive new mineral oil or FR3 fluid
  • New copper windings
  • New de-energized tap changer
  • High voltage bushing terminal caps and low voltage plating get sandblasted, painted and all gaskets are replaced
  • Coils go through a dehydration process for moisture reduction
  • IEEE/ANSI testing and design standards
  • Rebuilt critical stock available
  • Rectifier repair services available


Electrical tests include:

  • transformer turns ratio (TTR)
  • insulation resistance
  • applied potential (hi-pot)
  • induced potential (double induced)
  • load, no-load test


Since 2005, Brandon & Clark has offered their customers the option to fill & retro-fill their electrical equipment with an environmentally friendly and EPA approved fluid called FR3®. Envirotemp FR3® fluid is made from food grade seed oils and food grade performance enhancing additives, which makes it completely biodegradable. FR3® fluid can help to extend the life of your transformers insulation and improves the transformers fire resistancy, through higher flash and fire points.

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