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Software Patches

August 28, 2013

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Features and Improvements

  • Contingency Analysis Tool: Improved the descriptions in the popup hints shown with options on the contingency analysis dialog.
  • Oneline Diagrams: Added more verbose error checking for GPU contouring to include error messages in the log.
  • Retriever: When loading ABB Spider files for network data and real-time data, Retriever will automatically generate subscriptions based on the names in the real-time data file.

    • Bug Fixes

    • Contingency Analysis: Modified the CTG_Options variable WhatActuallyOccurredContingencyDescription so that all values are specified through only one variable instead of two.
    • Distributed Computation: Corrected bug introduced in the 8/19/13 patch that does not properly reconcile the post-contingency auxiliary file when using distributed computing with contingency and ATC analysis. This caused distributed computing to fail with an unknown exception.
    • Distributed Computation: Fixed a problem with distributed contingency analysis. An invalid pointer operation error might occur causing distributed contingency analysis to fail.
    • General: Fixed errors in showing any Difference Flows field for any interface that contains an injection group.
    • General: Fixed errors in showing Difference Flows for Mvar flows on interfaces that contain generators, loads, or injection groups.
    • General: Fixed errors in showing Difference Flows for MVA flows on interfaces that contain multiple interface elements. It was taking the sum of the MVA difference instead of comparing the total MVA in the base case to the total in the present.
    • GIC: Improved the GIC Transformer Dialog to not show tertiary fields if there is no tertiary winding.
    • Transient Stability: Modified the validation of CSVGN1, CSVGN3, and CSVGN4 SVC models so that CBase must be approximately equal to the Gen Maximum Mvar output, and the Generator MVA Base must be equal to the (Max Mvar - Min Mvar).
    • Transient Stability: Modified the CSTATT model to validate T1, T2, T3, and T4 time constants. These represent controller values that should not be modified.