Fault indicator (FI)

Products and reference designs

Fault indicator (FI)

Block diagram


Our integrated circuits and reference designs help you create fault indicators for overhead and underground power lines that reduce the time needed to localize the fault in medium- and low-voltage transmission lines

Design requirements

Next-generation fault indicators often require:

  • Power-optimized architectures for fault data capture and power quality analysis.
  • Energy harvesting at low-current levels and optimized battery management.
  • Low-power RF connectivity with minimal latency to transfer faults to a data collector.

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Block diagram

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Technical documentation

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Type Title Date
White paper Enabling and integrating wired & wireless technologies for grid interoperability 22 Mar 2019
Technical article How energy harvesting can extend the life of your fault indicator on the grid PDF | HTML 22 Aug 2023
Technical article Benefits of using Sub-1 GHz connectivity for grid asset monitoring, protection and PDF | HTML 14 Jul 2023

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