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Maximizing Grid Reliability with Power Cable Monitoring

Maintaining the integrity of critical energy infrastructure requires more than just reactive repairs. Power cable monitoring is essential for underground and subsea assets that must stand the test of time, often operating for decades without the possibility of a visual inspection. HAWK's fiber optic sensing solutions provide real-time visibility into the health of your network. 


HAWK's advanced sensing solutions ensure that data cables, wires, and high-voltage transmission lines remain operational and efficient. Because these cables are often located in high-traffic areas or in difficult-to-reach terrain, failures are logistically challenging to address. With a comprehensive power line and cable monitoring system, operators can transition from "run-to-failure" tactics to a proactive, data-driven maintenance strategy.

Contact us today to learn more about our smart sensing power cable monitoring systems and how we can help your company.

Learn about the different applications we work in:

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How it Works: Sensing Methods

The Praetorian Fiber Optic Sensing System transforms standard optical fiber into a continuous, high-sensitivity sensor. For effective power cable monitoring, we utilize Distributed Temperature Sensing (DTS) and Distributed Acoustic Sensing (DAS). By embedding fiber within the cable jacket or installing it in the same trench, our power line and cable monitoring system turns kilometers of cable into thousands of virtual microphones and thermometers.

Our smart sensing approach utilizes "multi-modal" detection. By observing events through several physically independent variables, such as simultaneous vibration and thermal spikes, the system significantly reduces false alarms. This ensures that when an alert is triggered, it represents a verified physical event requiring immediate attention, preventing unnecessary truck rolls and maintenance costs.

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Real-Time Asset Health & Performance

Through a combination of distributed vibration, temperature, and strain monitoring, HAWK provides actionable insights into the physical status of your entire cable route. Our power line and cable monitoring system is designed to solve specific operational challenges, including:

  • Optimizing Network Load: Utilize Real-Time Thermal Rating (RTTR) to determine operational status and safely increase capacity based on actual thermal conditions.
  • Preventing Third-Party Damage: Receive early alerts for unauthorized digging, machine excavation, or trench lid tampering before a strike occurs.
  • Rapid Fault Localization: Identify the exact coordinates of partial discharges, conductor breaks, or arc flash events to minimize downtime.
  • Predictive Environmental Monitoring: Detect "hot spots" caused by soil drying or external heat sources before they lead to insulation breakdown.
  • Enhanced Security Perimeter: Monitor fiber integrity and ground conditions to detect physical threats to the infrastructure 24/7.

Improve grid reliability with power cable monitoring from HAWK Fiber Optics.

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Frequently Asked Questions

By providing 24/7 surveillance, the system identifies "soft faults" and thermal bottlenecks before they escalate into outages. This allows utilities to manage peak loads safely and extend the operational life of aging assets.

The power line and cable monitoring system detects the acoustic signature of manual or mechanical digging long before the cable is struck. This "early warning" gives operators time to dispatch a field team to stop the excavation, preventing costly damages and safety hazards.

No. The sensing fiber is completely passive and requires no field infrastructure, power, or electronics along the monitoring route. All processing is done at the terminal Praetorian unit.

Yes. While underground cables benefit from intrusion and ground condition monitoring, above-ground power lines utilize the system to detect physical strikes, environmental strain, and thermal anomalies.

Yes, we encourage technology trials and offer specially configured mobile systems that can be shipped globally!

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