Transformer Testing

Transformer Field Testing

American Transformer Services, Inc. highly trained testing crew can test most any kind of field substation transformer, they have vast knowledge on several different manufactures of transformers. Wether commissioning a new or relocated transformer, as a part of our routine maintenance or condition assessments, ATS wants to establish benchmarks for base comparisons of your transformer.
Tests available include the following:

  • Doble® Power Factor Test of Windings
  • Doble® Power Factor Test of Bushings
  • Doble® Surge Arrester Test
  • Core Resistance (Megger)
  • Transformer Turns Ratio
  • Winding Insulation Resistance
  • Winding Excitation
  • Winding Resistance
  • Current Transformer Ratio, Polarity and Saturation
  • Operational Check of Controls
  • Calibration of Gauges
  • Thermal Scans
  • Doble® Sweep Frequency Response Analysis
  • Phase Relation
  • Materials and Oil Testing
    • Oil General Chemistry
    • Dissolved Gas Analysis
    • Furfural Analysis
    • Particle Count
    • Metals-in Oil
    • Degree of Polyermization

Additional Services Available

In addition to transformer installation and assembly, ATS has the equipment, experience and capability to complete repairs, upgrades, insulation dryouts, bushing replacements, LTC repairs/upgrades, and FR3 retrofills.  These are but a few services we preform, please call or email for a complete list.

For more information or assistance, call or e-mail us.