Online Partial Discharge 

 PD Service … In High Voltage Equipment
On-Line Diagnostics system used on fully loaded and energized Completely not intrusive.
No need to shutdown. Detects. Analyze and locate the abnormal signal source such as : 

 Purpose of On-Line PD Monitoring

  • Reduces maintenance costs and operational expenses
  • Detecting abnormal conditions in High Voltage equipment
  • Avoiding costly damage to equipment
  • Risk management of previously undetected faults

Dry / Oil-immersed Transformer:

Applicable targets

  • Main Tank
  • On Load Tap Changer
  • Lightning Arrester
  • Bushing

 

Dry-type Transformer

Oil-immersed Transformer


HV Motor & Generator:
Applicable targets

  • Main Motor & Generator
  • Terminal Box

 Motor

Generator


 GIS & AIS (3 Phase):

Applicable targets

  • Incoming Terminator
  • Lightning Arrester
  • Potential Transformer
  • Current Transformer
  • Circuit Breaker
  • Discnnecting & Earthing Switch

 

AIS

 

GIS


 Cable Termination & Undergroud Cable:

 Application Targets

  • Terminator
  • Splicing
  • Cross Bonding
 
Underground Cable

 

Cable Termination

   

Cable Termination & Underground Cable:

 Applicable targets

  • Metal Clad Switchgear
  • Ring Main Unit