On-line PD Testing and Monitoring of Dry Type Transformers

Partial Discharges can occur at various points in transformer insulation. Sources of PD include voids in insulation and surface tracking. By PD testing and monitoring, the development of underlying defects can be detected and insulation condition assessed.






Dry Type Transformers


Test Equipment





Monitoring Systems






Test Services

  • Comprehensive range of test services for on-line and off-line condition assessment.
  • Reactivation services offered to ensure the safe energisation of inactive HV assets.






Contact us

  • On-line Partial Discharge Testing and Monitoring of 11 kV Switchgear for an Australian Mining Operator View case study
  • Utilising Holistic Condition Monitoring on MVIHV Motors to Reduce Unplanned Downtime Download
  • On-line Partial Discharge Condition Monitoring of Complete Networks for the Pulp and Paper Industry: Challenges and Solutions Explained Through Case Studies Download
  • A Novel Solution for the Reliable On-Line Partial Discharge Monitoring (OLPD) of VSD-Operated EX/ATEX HV Motors Download