Synchrowaveform Recording & Analysis
Synchrowaveform Technology: A Foundational Asset for the Modern Utility
Synchronised waveform measurement technology is rapidly emerging as a critical asset for electric utilities navigating the complexities of the energy transition. Unlike traditional SCADA systems or even PMU-based synchrophasors, which provide averaged measurements, synchrowaveforms capture raw, high-resolution electrical wave data, synchronized across vast distances with microsecond precision. This granular, real-time visibility is indispensable for managing a grid increasingly dominated by inverter-based resources (IBRs) like solar and wind, whose dynamic behavior introduces complex stability challenges that older monitoring tools cannot detect.
For utilities, the applications are transformative. The technology enables precise, post-event disturbance analysis, allowing engineers to pinpoint the root cause of faults with unprecedented accuracy, distinguishing between equipment failure, environmental factors, or IBR mis-operation. Proactively, it facilitates predictive maintenance by identifying subtle pre-failure signatures in critical assets like transformers and circuit breakers, allowing for intervention before a catastrophic failure occurs. Furthermore, it provides the essential ground-truth data needed to validate IBR models, ensuring their seamless and stable integration into the bulk power system.
As the grid modernizes, synchrowaveform technology represents a paradigm shift from reactive to proactive grid management. It is no longer just a niche diagnostic tool but a foundational asset for ensuring the resilience, reliability, and security of the future power system, empowering utilities to operate a more complex grid with greater confidence and efficiency.
Time-Synchronised Measurements: Each meter is GPS-clock synchronised, supporting IEEE C37.118 synchrophasor (PMU) data streams and even synchronised waveform capture (synchrowaveforms). Every event detected is timestamped to sub-millisecond accuracy across the fleet. This synchronization enables the combination of data from all meters to achieve grid-wide situational awareness and fault correlation. An example of event (traveling wave) propagation across the network is illustrated in the figure below, where three edge sensors at different locations capture the signal in real-time.
Figure – Synchrowaveforms allow the propagation of faults to be tracked.
As Nexbe incorporates this cutting-edge technology into its standard meter forms, every meter becomes both a high-speed fault sensor and a billing device (where required). This embedded analysis approach is not just scalable, but also remarkably cost-effective. By piggybacking on standard meter replacement cycles and infrastructure, utilities can achieve broad coverage without the prohibitive instrumentation costs of the past.
Free Pilot trials are now being offered to utilities – please contact us if your company is interested in partnering.
email: sales@nexbe.us
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External link:
For those new to synchrowaveform tchnology, the IEEE provide a valuable introduction on their Trending Technologies page under the title:
“Synchro-Waveforms: a new era of power systems monitoring and situational awareness”
(c) 2025 IEEE
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