Protection control system revamping of the 63kV substation

Protection control system upgrade at the Germiny-Sous-Coulombs natural gas underground storage site


  • Equipment obsolescence
  • Scalability to fully digital
  • Absence of disturbance recording to analyze electrical faults


  • Protection & control system reliability
  • Technology change while ensuring continuity of service
  • Installation maintainability

Key figures

  • 63 kV / 6.6 kV substation
  • 4 cabinets
  • 7 months of project

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