Software Patches

July 28, 2023

Features and Improvements

  • Case Information Displays: Adding additional geography fields to areas and zones, including min/max latitude/longitude values.
  • Optimal Power Flow (OPF): Changed the maximum LP iteration default limit from 9999 to 50000The default was too small for large cases.
  • User Interface Dialogs: Minor change of adding the ShowDialog to the superarea dialog list of areas
  • User Interface Dialogs: Added ability to show area fields in the area (really TSuperAreaArea) list display on the superarea dialog.
  • Bug Fixes

    • File Formats: When loading DYD file with LHVRT and LHFRT models we now treat all the timer parameters as optional. If they are not specified then a value of 0.0 is assumed. Previously if 0 values were now added to populate all 10 timer values then the DYD record would be ignored.
    • File Formats: EPC files allow the 3rd winding of a three winding transformer to be empty. Modified writing of the GMD data to an EPC file to handle this. We now write defaults for the 3rd winding (0,'',138) number, name and kV. Also added a slight change to the logic for calculating the neutral R to write in the EPC depending on the existence of the 3rd winding.