In 2017, an AP Sensing fiber-optic DTS (Distributed Temperature Sensing) solution was selected to monitor power cables on two underground circuits.
The Latvia power utility selected a DTS solution with SmartVision and RTTR (real time thermal rating) when building a new substations in Skaste Riga. The power cables form two independent 110 kV underground circuits within Riga, running 4 km and 3 km each. The installation involved one DTS N4425A device with six channels.
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