My system does not produce flat lines during a no-disturbance simulation. How do I track the problem?
First, follow the directions above to check for bad data or initial conditions. If you do not find the problem, using PLOT may help. We recommend that you run the standard EPCL program modstat.p to turn off all models whose generator status is zero before initialization; then initialize and run out to one second or more. Follow these steps to identify the machines causing problems: 1. From the PSLF application, access plot. 2. Go to view and filter out all machine angles (F1, ang , F4 under the type column). 3. Tab over to the Spread column and sort backward (F11). 4. Look for the machines with the largest spreads in angle, and plot them using the F8 key, geti or plot. 5. Perform the same search for terminal voltage ( vt ) and field voltage ( efd ). 6. Return to Dynamics and check the data for the models with the largest spreads. Note: If you need to change data, you must get the base powerflow and re-read the dynamic file first.
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- My system does not produce flat lines during a no-disturbance simulation. How do I track the problem?
