Clergue Protection Relay

A Project

Sault Saint Marie, ON, Canada

EPTCON Ltd. provided EPC services for a transformer, transmission line, 12 kV bus and breaker-fail protection scheme.

Scope of Work

  • Development of the single line diagrams, AC schematics, DC schematics, and trip logic diagrams
  • Calculation of protection relay settings
  • Design of four new protection relay panels, including preparing the bill of materials, panel layout drawings, and panel wiring diagrams
  • Field modifications to existing relay panels and installation of a new field cabling interface rack
  • Complete testing and commissioning of the upgraded protection relay systems

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