Leading the Way with Passion. The Challenge The Latvian power utility was building a new substation in Skanste Riga. AP Sensing was selected as a proven and reliable solution to protect the related power network and monitor its temperature in high load situations. The power cables form two independent 110kV underground circuits within Riga, running 4km and 3km each. The installation involved one DTS N4425A device with six channels. Underground Power Cable Monitoring Latvia In 2017, an AP Sensing fiber-optic DTS (Distributed Temperature Sensing) solution was selected to monitor power cables on two underground circuits in Riga. New substation in Riga RTTR The installation was further enhanced with AP S e n si n g ’ s RTTR (real time thermal rating) engine. RTTR continuously calculates the co

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