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I am an undergraduate doing a research project on BESS. i used a generator as a conventional machine and used the cbest model with below parameters,

1 PMAX (pu on MBASE) 1.1 OutEff (>= 1) Output Efficiency
0.9 InpEff (<= 1) Input Efficiency
1.2 IACMAX (pu) 100 KAVR, AVR gain 0 T1, AVR time constant (sec) 1 T2, AVR time constant (sec) 0.05 T3, AVR time constant (sec) ( >0 ) 10 T4, AVR time constant (sec) 1 VMAX, AVR speed limit (pu) -1 VMIN, AVR speed limit (pu) ( <0 ) 0.025 DROOP (pu)

Is it enough to model the bess or do i need to select a model for exciter, governor, stabilizer,..

I am an undergraduate doing a research project on BESS. i used a generator as a conventional machine and used the cbest model with below parameters,

1       PMAX (pu on MBASE)
1.1     OutEff (>= 1) Output Efficiency 
 
0.9     InpEff (<= 1) Input Efficiency 
 
1.2     IACMAX (pu)
100     KAVR, AVR gain
0       T1, AVR time constant (sec)
1       T2, AVR time constant (sec)
0.05    T3, AVR time constant (sec) ( >0 )
10      T4, AVR time constant (sec)
1       VMAX, AVR speed limit (pu)
-1      VMIN, AVR speed limit (pu) ( <0 )
0.025   DROOP (pu)
(pu)