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Transformer Maintenance Services

Supplier: GE Energy Services

GE provides individual or turnkey field services for all sizes and makes of transformers, utilising a fleet of 16 vacuum oil processors.

Price Guide: POA

GE also offers unique testing solutions, and GE has the largest shop repair network to compliment and support any repair.

Turnkey services

  • Field disassembly
  • Rigging and truck or rail transportation – logistics and oil storage
  • Reassembly, vacuum fill, and electrical test
  • Engineering and upgrade studies
  • Preventative maintenance programs

Fluid handling

  • Vacuum filling
  • Cold trap monitoring and insulation dryout
  • Fluid sampling services and diagnostic analysis, including web-based tracking system for reports
  • Fluid dehydration, degasification, inhibiting, and reclamation via Fuller's Earth
  • Reclamation via GE's proprietary Clay reactivation process – cut waste by 90 per cent
  • Fluids processed include mineral oil, silicone, FR3 and R-temp


  • Load and no load tap changer inspections, repairs, retrofit, and upgrade services
  • Internal inspections for loose blocking issues, gassing issues, core and coil assemblies
  • Radiator, pump and bushing replacements/upgrades
  • Gauge upgrades
  • Kelman monitoring and installation

Unique site services

  • Major repair capabilities, including field un-tanking and modifications
  • Portable induced testing
  • Portable no load and load loss testing
  • Portable impulse testing
  • ANSI acceptance testing, including SFRA, leakage reactance and partial discharge detection
  • Investigative testing to locate grounds, shorts, core heating, insulation problems, etc.