The Distributed Temperature Sensing (DTS) online surveillance of a 220 kV power cable system in Xiamen Power Utility, China helps preventing a potentially serious large-scale high voltage cable fault.

Following the DTS system alarm indication the maintenance staff of the power utility was able to discover a grounding problem in one cross bonding box. As the DTS system indicated this emergency at early stages and precise in location a blackout or a repair de-energising procedure could be successfully prevented.

This success story for online power cable temperature monitoring was presented at the recent Jicable conference , the 8th International Conference on Power Insulated Cables.

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The necessity analysis of distributed fibre optic temperature monitoring by Xiamen power cable alarm case study

  Read more on how to ensure save and stable grid operation and how to activate hidden capacity reserves:

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• Distributed temperature monitoring of power cables