Engineering Services


Transformer Condition Assessment & Life Extensions

Waukesha® Service can deliver the peace of mind you need! Waiting for a service outage to occur in order to assess your power equipment is NOT an option. Your customers need reliable electric power and your substation transformers and equipment must be in top condition to deliver. Take the time now for a comprehensive power equipment check-up by contacting your Waukesha Service representative.

Waukesha® Service Condition Assessments can help identify the present condition of your transformers and their components, estimate remaining life, make life extension suggestions and help with economic decisions for future repair or replacement actions to improve the performance reliability and extend the life of your assets.

Service Recommendations are Based on the Following:

External Examinations

  • Transformer Tank
  • Gauges
  • Bushings
  • Arresters
  • Load Tap Changer
  • Control

Internal Examinations and Test Results

  • TTR (Transformer Turns Ratio)
  • Doble® Power Factor and Excitation
  • Infrared Scan
  • Megger of Core and Windings
  • Acoustic and Ultrasonic Detection of Partial Discharge
  • Oil Tests for quality, DGA (Dissolved Gas Analysis) and history, furans and LTC DGA

Operational History

  • Maintenance Records
  • Loading History and Overloads
  • Short Circuit History
  • Other Unusual Operational Events

If your power transformer is one of thousands of quality units in the Waukesha® family, our analysis will also cover the following:

  • Winding Design (All Windings)
  • Core Design and Construction
  • Core & Coil Condition
  • DETC (De-Energized Tap Changer)
  • Shielding of Frames and Tank
  • Leads
  • Load Tap Changer
  • Bushings
  • Preventative Auto (Reactor)
  • Thermal Analysis

These analyses will be made using the latest state-of-the-art design programs including FEA (Finite Element Analysis) and thermal design programs. Also, any upgrades that can be made will be suggested to allow you to bring your Waukesha® power transformer up to current design standards.

For more detailed information on these assessments or to get a better idea of why transformer assessments can be important to your long-term reliability strategy, download the following brochures (in Adobe Acrobat format):

Substation Transformer Condition Assessment Flyer (210k)
Are Your Spare and Mobile Transformers Ready for Active Duty? Flyer (1.6Mb)

In addition to the assessment, SPX Transformer Solutions has the equipment, experience and capability to complete the repairs and upgrades you may elect to perform as a result of our findings. Services may include transformer dryouts, regasketing or bushing replacements; combining services can minimize costs and transformer downtime.

For more information or assistance during normal business hours, call or e-mail your local SPX Waukesha Sales & Service Representative or complete and submit our Service Project Inquiry form.




Emergency Service Available 24/7/365:

(that's 888-365-2497)


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