Process BUS (IEC61850)

Substation Automation - IEC61850 processbus


Primary equipment like breakers, transformers, and load switches are part of the process level that connects to the substation bay using a process bus. In general, a process bus is used because it does the following:

  • Satisfies the need for an interface with an optical voltage and current transformers
  • Eliminates copper wiring in the field
  • Minimizes configuration time and optimizes reconfiguration
  • Provides time synchronized sample values as per IEC61850-9-2

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