Temporary Partial Discharge Monitoring of Power Cables

Partial discharge (PD) is a common sign of insulation breakdown in power cables and cable accessories, such as joints and terminations, which can eventually result in cost-intensive repairs and prolonged outages.

With suitable sensors, PD activity can be monitored and trended on a temporary continuous basis during the operating life of the equipment for troubleshooting in the field. The terminations and joints of the cable system are typical PD measurement points. Powerful noise suppression and PD source separation algorithms are used to reliably localize harmful PD phenomena in the cable system.

Expert recommends

MONTESTO 200

MONTESTO 200 is a portable, two-in-one solution that enables you to perform both temporary on-line partial discharge (PD) monitoring and on-line PD measurements on power cable systems under load to periodically trend PD activity and assess insulation condition over specified periods of time.

MONTESTO 200
Portable on-line partial discharge measurement and monitoring system
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Benefits of this solution

Two-in-one solution

All that you need is included in a rugged, wheeled case that is easy to transport to various locations. The IP65 rated hardware device can be used indoors and outdoors for on-site partial discharge measurements, or it can be mounted on or near the asset for temporary partial discharge monitoring.

Plug-and-play setup

The on-line PD measurement and monitoring device can be easily connected via a terminal box to permanently-installed partial discharge sensors. This enables quick and safe plug-and-play connections during setup without having to shut down the asset to prevent unnecessary downtime.

Remote data access

A built-in computer enables long-term data collection and archival. The computer can be remotely accessed and configured by the user to forward periodic reports and scalar values via universal protocols. The system can also be setup by the user to send email alarm notifications when PD levels exceed user-defined thresholds.

User-friendly software

Monitoring sessions can be set up and the collected data viewed from anywhere with the convenient software web interface. Software features, such as 3PARD (3-Phase Amplitude Relation Diagram) and Automatic Cluster Separation, automatically separate noise from PD signals to help users quickly and reliably determine the signal source.

Other solutions

MONCABLO

MONCABLO is a customizable, permanently-installed system for the continuous on-line monitoring of partial discharge (PD) activity in the electrical insulation of high-voltage cable systems, including cable terminations and joints. Advanced diagnostic techniques enable you to reliably evaluate insulation condition and locate defects to prevent costly in-service failures at an early stage.

MONCABLO
Permanent on-line partial discharge (PD) monitoring system for power cables
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Literature
MONTESTO 200 Brochure (2 MB)

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MONTESTO 200 – Easy on-line partial discharge measurement and monitoring

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