220 KV Power Circuit Monitoring with Temperature Map View France Rural area in southern France A new 220KV underground power circuit traverses many different types of soil conditions along its 25 km length. AP S e ns i ng ’ s fiber optic based DTS (Distributed Temperature Sensing) solution was selected by the network operator RTE (Réseaux de transport d'éléctricité), based on its reliability and ruggedness, as well as the innovative asset visualization capabilities. One 1-channel AP Sensing Linear Power Series device measures the 25 km underground circuit with a singlemode optical fiber for continuous temperature measurements. The circuit load is recorded by the AP Sensing Multisensor B oa r d’ s analog inputs and then shared with the S mart V i sionTM data management and asset visualizat

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