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Solutions in dynamics are usually in a case-by-case scenario. If you can, provide more info about your test. Check my post "flat run for pv plant" for some hints.

Solutions to issues in ~~dynamics~~ dynamic runs are usually in a case-by-case scenario. If you can, provide more info about your ~~test.~~ test.

Check my post "flat run for pv plant" for some hints.

Check always the scale of your plots. After running a PSSe dynamic study, you can use PSSPLT to find the worst channels deviations using the idv file attached below. For deviation of Q channels, its is good to get 10E-02 or lower values: Sample from a flat start using savnw.sav:

CHANEL IDENTIFIER                          INITIAL VALUE    DEVIATION        TIME (SECONDS)
   15  VARS   206[URBGEN      18.000]1     6.000            0.7153E-05       5.7375
   16  VARS   211[HYDRO_G     20.000]1     0.1774          -0.4411E-05       9.1874

PSSPLT IDV file to get the max deviation of channels (adjust path an filenames):

MENU,OFF      /* FORCE MENU TO CORRECT STATUS
PDEV
2,1,1
LOGs\SAVNW_wind_flat.err
ODEV
2,1,1
LOGs\SAVNW_wind_flat.err
text,* *************************************
text,*           PLOT SAVNW_wind
text,* 
text,* *************************************
CHNF
OUTs\SAVNW_wind_flat.out
RANG
1

SCAN
2 0 1
SAVNW_wind_MaxDevs.txt
4
1 2500
ANGL
20
1 2500
POWR
20
1 2500
VARS
20
1 2500
ETRM
20


STOP