See Also
The Results Storage page is found on the Transient Stability Analysis dialog. The settings on this page determine
- What results are stored during the stability simulation.
- Where results are stored: RAM, Hard Drive, Both, or Neither.
- The frequency with which results are stored.
You may want to store results to RAM so that they can be viewed in the Transient Stability Results: Time Values. Be careful however because if too many results are stored you will run out of RAM causing the simulation to fail or generally slow down your computer.
When storing results to Hard Drive you can be much more free with how much data is saved. After running you will still be able to load those results into RAM later (using the Load from Hard Drive File into RAM results specified by Store to RAM Options button that is found on the Time Values sub-tab of the Results from RAM page), and you will also be able to visualize Plot Charts directly from the hard drive results.
When using the Transient Limit Monitors, it can be reasonable to run a simulation which does not store any numeric results of the simulation. This is because when the goal is only to verify that all system performance criteria as described by the transient limit monitors are met, then the actual numerical results are not necessary.
Store Results to RAM
Check this box to store results using the Save to RAM Options.
Store Results to Hard Drive
Check this box to store results using the Save to Hard Drive Options.
Save the Results stored in RAM in the PWB file
The user can select to just store the transient stability parameters, store the parameters results, or not store either the transient stability parameters or results in the *.pwb file. Storing transient stability information in the *.pwb file makes it convenient to open a case and run the transient stability analysis, but storing this information, especially the results, could significantly increase the size of the *.pwb file. Auxiliary files can also be used for storing the parameters and results instead of, or in addition to, storing this information in the *.pwb file.
Save Results Every n Time Steps
When writing results to RAM or the Hard Drive, specify the number of time steps after which results should be stored. If a value of 10 is entered then results will only be stored every 10 time steps. Note: this setting will NOT effect the use of Generic Limit Monitors or Transient Limit Monitors . The Generic Limit Monitors and Transient Limit Monitors are an integrated part of the numerical integration solution and are checked at every time step regardless of how frequently results are saved to RAM or the Hard Drive.
Do Not Combine RAM Results with Hard Drive Results
When designing plots and choosing values to include in plots, values can be plotted from both RAM and hard drive. If this box is checked, only the results stored in RAM will be shown and used as valid values to be plotted. Values stored in hard drive will be excluded.
Save the Min/Max Results stored to RAM in the PWB file
Check this box to save then Min/Max, Events, and Summary information in the PWB file even if not storing the Time Values to PWB.