HVPD Kronos® Permanent Monitor


  • Continuous OLPD monitoring technology suitable for the insulation condition monitoring of incipient HV insulation faults and OLPD trends in HV networks.
  • Suitable for monitoring complete HV networks, including cables, switchgear, transformers and rotating HV machines.
  • With 24 sensor inputs, a single HVPD Kronos® Permanent Monitor covers up to four HV motors.
  • The 24-channel HVPD Kronos® captures six signal channels synchronously using its unique Smart Multiplexer.
  • The HVPD Kronos® distributed across an HV network continuously transfer the insulation condition data to the central HVPD OLPD Measurements Database© installed at the customers control centre for logging, benchmarking and trending of data through upload to the HVPD data centre.
  • Generates a simple OLPD Criticality number for the asset from 0‒100% through benchmarking and trending with the central HVPD OLPD Measurements Database©.
  • Remotely accessible via a wide range of industry communications standards, including Modbus, DNP3.
  • All HVPD Kronos® are networked and communicate back to the central Partial Discharge Monitoring Server (PDMS) for coordination and organisation of data.


  • Supports Condition-Based Maintenance schemes.
  • Reduces unplanned outages, downtime and maintenance costs.
  • Avoids unnecessary alarms as any PD activity flagged is investigated by our experts and recommendations are given to allow the asset manager to carry out timely remedial action.
  • Advanced OLPD identification and noise separation is achieved through synchronous data capture on multiple channels.
  • Can be applied in local area electricity networks to provide complete network condition monitoring.
  • The monitoring system and the user interface are configured to the customer’s site requirements and Single-Line Diagram (SLD) to provide an overview of the entire network condition whilst also displaying the condition of individual assets.
  • Condition Monitoring Service Contract (HVPD OLPD Measurements Database© subscription, software upgrades, data analysis, reporting, and remote assistance).


Continuous, Synchronous, On-line Partial Discharge (OLPD) Complete Network Monitoring with Benchmarking and Trending of Data
The HVPD Kronos® Permanent Monitor is an on‑line partial discharge (OLPD) insulation condition monitoring (CM) system suitable for the long-term, continuous monitoring of complete high voltage (HV) networks of 3.3 kV and above. The 24-channel HVPD Kronos® captures up to six signal channels synchronously using its unique full cross point Smart Multiplexer and provides information to help network operators avoid unplanned outages.
All HVPD Kronos® Monitors distributed across the network communicate back to the central Partial Discharge Monitoring Server (PDMS) for coordination and organisation of data. The insulation condition data is then uploaded to the central HVPD OLPD Measurements Database© installed at the customer’s control centre, for logging, benchmarking and trending. HVPD Kronos® is expandable and can be installed both indoor and outdoor. We supply HVPD Kronos® Monitors with a range of condition monitoring service contract options and sensors.


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