Online Partial Discharge Test
PD is the best early warning indicator
PD testing and monitoring supports
HVPD help operators avoid in-service failures
PD is the best early warning indicator of electrical insulation degradation in assets operating at 3.3 kV and above.
PD testing and monitoring supports Condition Based Maintenance programmes – enabling operators to improve their asset reliability and avoid unplanned outages.
By providing a condition assessment of their in-service assets, HVPD help operators avoid in-service failures, reduce unplanned outages and improve their maintenance efficiency – saving them time and money.
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x3002-1.png)
What is PD and why should we test for it?
PD is an electrical discharge that occurs across a localised area of the insulation between two conducting electrodes, without completely bridging the gap (see IEC 60270).
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x3002-1.png)
What is PD and why should we test for it?
PD is an electrical discharge that occurs across a localised area of the insulation between two conducting electrodes, without completely bridging the gap (see IEC 60270).
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x3003-1.png)
Partial Discharge testing and monitoring is particularly important when the medium or high voltage asset is critical to the operation of a network
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x3003-1.png)
Partial Discharge testing and monitoring is particularly important when the medium or high voltage asset is critical to the operation of a network
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x300-1.png)
Qualification of PD criticality within the complete network can be achieved quickly and easily using HVPD technology to provide an early warning of any incipient insulation faults.
![](https://de-mandiri.com/wp-content/uploads/2021/01/300x300-1.png)
Qualification of PD criticality within the complete network can be achieved quickly and easily using HVPD technology to provide an early warning of any incipient insulation faults.