Qualitrol Releases QPDM | The Next Generation Partial Discharge System

Qualitrol partial discharge monitor for electrical grid

FAIRPORT, NY – Qualitrol is proud to release of QPDM continuous online monitors for transformers. The QPDM represents the next generation of our field-proven, industry leading UHF Partial Discharge monitoring, trending and classification technology based on 25+ years of customer experience. It monitors PD activity on real time basis, predicts faults and gives the confidence to make informed strategic decisions regarding the timely maintenance of the transformer before an unexpected outage occurs.

The new QPDM monitors will be available in full production in the coming months.

“More often than not, a transformer failure is an economic disaster. Most of the time, the economic impact comes from the wait time for a replacement. Did you know that the typical time between order, manufacturing, delivery, and replacement of a transformer can easily take longer than a year? By not actively monitoring your transformer you could lose revenue, experience catastrophic failures and have major safety and environmental impacts” states Product Manager Paul Smith.

The QPDM has an outstanding built-in sensitivity of -80 dBm and wide band selections, covering 300 to 2100 MHz, which reduces the chances of missing any Partial Discharge activity.

High dynamic range of 70 dB enables better analysis of PD activity with larger amplitude variations. Real-time monitoring of Partial Discharge amplitude and discharge rate helps in correlating PD activity with Load, OLTC operations etc.

A trend view of PD amplitude and discharge rate provides indication of PD Activity. Using the QPDM to monitor faults helps optimize transformer maintenance scheduling.

The QPDM monitor enclosure is IP66 rated, has built-in LED indicators and remote client enable safe operation in harsh environmental conditions.

Established in 1945, Qualitrol provides condition based monitoring solutions across the globe for high value electrical assets. We are the largest and most trusted global leader for partial discharge monitoring, asset protection equipment and power grid applications across generation, transmission and distribution systems. At Qualitrol we are defining condition based monitoring.


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