Software Patches

May 22, 2025

Bug Fixes

  • Power Flow Solution: If you have a solve DC power flow solution, but one of the generator MWs is outside of its MWMin - MWMax limits, the DC power flow solution would not immediately enforce the generator limits. It required a mismatch in MW somewhere in the area to force this to be updated. This is now fixed so that the DC power flow solution will immediately enforce generator MW limits even on a solved DC power solution.
  • Transient Stability: For the OEL2C model, the IfdRated input parameter is now used as a base to adjust Kscale automatically. When Kscale is specified as 1.0 and IfdRated <> 0, Kscale is internally calculated as 1/IfdRated. If a model specifies a value of Kscale that is not 1.0, then the Kscale value is retained as-is for the simulation. If a model truely needs a Kscale value of 1.0, then IfdRated must be specified as 0.0 or 1.0.