36 Bannick Court
Canning Vale WA, 6155

Transformer Maintenance

Global Testing Services is equipped to handle any Transformer requirements, from routine maintenance and testing to emergency repairs. Dissolved gas analysis, sweep frequency finger prints, tan delta, and specialised insulation resistance testing are all part of the range of services we offer.

Transformer Testing, Maintenance and Repairs

As transformer design and construction evolves, the challenge of maintaining transformers at their peak performance levels increases. The new designs have closer tolerances than ever before, so accurate testing and monitoring is essential in order to maintain their life expectancy. 

The engineers and technicians at GTS have the experience to diagnose, repair and maintain your power transformers to the highest levels, and to achieve those results. Using the latest test equipment, GTS can monitor the condition of the unit from the factory through to installation, and finally in service.

Our specialist transformer services also include:

  • Online Filtering
  • Repairing Online and Offline Tap Changers
  • Overhauling
  • General Transformer Maintenance
  • Repairing and Testing Protective Devices
  • Transformer Testing and Commissioning
  • Dissipation Factor Tests
  • Frequency Response Analysis
  • Leakage Reaction
  • Ratio
  • Winding Resistance
  • Insulation
  • Voltage Recovery
  • Partial Discharge Testing
  • Testing of Insulating Oil


Oil Laboratory Services

Global Testing Services send all oil samples to a high quality laboratory for analysis and testing. These tests can include:

  • Interfacial Surface Tension
  • Furan
  • Acidity
  • Moisture
  • Quality Index Number
  • Dissolved Gas Analysis
  • Dielectric Breakdown
  • Dielectric Loss Angle and Resistivity
  • Polychlorinated Biphenyls (PCB’s)
  • Condition Monitoring and Trending

Accreditations & Policies


Global Testing Services

Our team members travel all over Australia and the world, going to countries such as Malaysia, India, Vietnam, Egypt and throughout the Asia Pacific.

We take great pleasure in ensuring our clients get the specialised service they have come to expect from Global Testing Services.


Head Office
36 Bannick Court Canning Vale
WA 6155
+61 (08) 9456 7700
After hours
+61 400 040 010
Transformer Branch
21 Gibbons Road Davenport 
WA 6230
+61 (08) 9725 4583
After hours
+61 428 648 848
Pilbara Branch
Equal Certification does not cover our Newman operation
1/85 Welsh Drive
WA 6753
+61 (08) 9175 0177
After hours
+61 437 043 433

Request a call back

If you’d like to find out more about our services, or how we can work with you, please fill in the Request a Call Back and one of our team will get back to you within 24 hours.

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