Power quality meter adds high-speed transient monitoring

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By Nick Flaherty

Schneider Electric has added high-speed transient capture capabilities to its power quality monitor family, helping avoid outages, equipment damage, failures, and interruption of operations.

The PowerLogic ION9000T provides impulse and oscillatory transient detection and capture with 10 MHz sampling (>100ns duration, 10kV) on 4 phase voltages and ability to provide a simplified event view based on analytics of the event to Class 0.1S accuracy, twice the precision of existing energy standards.

High-speed transient voltages can damage a facility’s electrical systems and disappear before they can be detected, ultimately leading to poor performance, gradual breakdown, or abrupt failure. Industrial facilities can experience many such transients every hour, with voltage impulses exceeding 5 to 10 times the nominal system voltage. Discovering these harmonics and their root causes, and then taking steps to mitigate them, extends the life of equipment insulation.

“Legacy power meters aren’t fast enough to capture a transient that occurs in a millionth of a second, does its damage, and disappears. The ION9000T samples at 10 MHz on 4-phase voltages, so it can capture and record these sub-cycle transients and help facility managers quickly get to the root cause of these events,” said Drew Reid, Offer Manager, Power Solutions, Schneider Electric. “Fortified with onboard power quality analytics, this is a powerful tool in reducing exposure to the unnecessary risks that threaten operations and power reliability.”

Onboard power quality analysis provides useful information, not just data, via its onboard PQ tool, according to EN50160 and IEEE519 standards. The ION9000 also has extended waveform capture and patented disturbance direction detection (DDD). Smart power event analysis automatically correlates related trends, events, and waveforms based on time and type of incident, saving time and providing vital insight with pre- and post-incident data. The monitor is also designed to align with comprehensive grid cybersecurity policies, helping to eliminate vulnerabilities to critical power assets and system.

Patented ION programmability allows users to adapt as their power networks become more dynamic, tailoring programming to accommodate complex electrical distribution monitoring or custom substation automation. 


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