Software defined substations – path towards cost effective and future-proof solutions

Unlike renovating the entire secondary system of power substations, adding software defined functions save time and cost. Retrofitting the virtual Merging Unit running on a Substation Server offers an efficient future proof upgrade. Simply add a substation server, some sensors and the virtual Merging Unit application and get IEC61850 interoperability, advanced measurements, and a future proof platform for virtualized applications.


  • Challenges
  • Application Example
  • Virtual Merging Unit in addition to IEDs for protection
  • Advantages
  • Software Defined Substation

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