Distributed fiber-optic sensing measures thermal, strain, and acoustic behavior along the full cable route, while the monitoring platform integrates seabed conditions and external threats.
Distributed sensing data and cable electro-thermal models are combined to diagnose current conditions and forecast operational risk.
DTS uses Brillouin scattering(BOTDR technology) in a fiber-optic sensor cable installed inside the three-core submarine power cable to continuously measure route-wide temperature and hot spots. No sensors are attached to the outside of the power cable. RTTR, DoB, and ITD extend this core temperature data into advanced analysis.
Predicts conductor temperature, maximum allowable current, and time-to-limit from measured load and temperature data for safe capacity optimization.
Applies cable temperature and seabed environmental data to a thermal model for continuous burial-depth and exposure-risk analysis.
Calculates insulation temperature drop and electric-field distribution to warn of HVDC insulation deterioration and limit exceedance.
DAS analyzes Rayleigh-backscatter phase changes in a fiber-optic sensor cable installed inside the three-core submarine power cable to monitor route-wide vibration, pressure, and acoustic events. No sensors are attached to the outside of the power cable. CFL and TPI extend this core vibration data into targeted detection.
Detects cable or fiber fault events in real time and rapidly localizes the fault to reduce investigation, restoration, and outage time.
Classifies acoustic patterns from vessels, anchor drop or drag, seabed excavation, and external work to warn before cable damage occurs.
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