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thanks your reply,here is the dynamics data I set.And the load flow data I only set Pgen into 100MW others parameter I use the default value.

hi everyone, I'm trying to add a CBEST model in my system,during the dynamics simulation here is the imformation from output bar,could someone help me understand how to resolve it,thanks.

INITIAL CONDITIONS SUSPECT:

  I   DSTATE(I)    STATE(I)     MODEL             STATE     BUS# X-- NAME --X BASKV  ID
 6460    1.1000       0.0000      CBEST              K+3       2       ESSG   22.800  1

CBEST dynamics data

value  descrption                                                                                                               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)

If there is any feedback,please kindly tell me or can send me more information to my e-mail M10907102@ntust.edu.tw very appreciate.

The part of terminal message when running the python script show that “Compile models not supplied by PSS/E and create user dll”, Messages for api ADDMODELLIBRARY, Library not found (000301). But during the create dll file, I assured that it have successfully create dusur_34.dll for PSS@E 34.

Thank you sir,unfortunately the dll file still can't load into. here is my procedure: 1.Built DEMOEX folder and shift UEXC.for,create_dll.py, savnw.sav & dyr,python script file in it 2.use "create_dll.py" to create the .dll and .lib file; 3. Run the python script from this folder.

Thanks your reply, but it seem have the same problem when I run the code above. If there anything need to correct, please kindly tell me. Very appreciate of your help.

Sorry sir, I really new on writing it. Can I ask more detail about "adding the full path for dll file"? Is it adding in the "create_dll.py" or adding in the "DEMOEX.f" ? And where to add if the path should add in "create_dll.py"? Very appreciate of your help.

Thanks your reply. Now I can use DEMOEX to create dll file by "create_dll.py",But when I try load dll into PSSE,it's show " Library not found (000301) " . how to fix it? thanks

Hello everyone, I'm new in learning user defined model. I'm trying to compile the DEMOEX by using "Create User DLL",but when I follow the PSSE environment manager user guide to run "psseenvmanager_w.pyw" here comes a problem.

Traceback (most recent call last): File "C:\Python27\Lib\site-packages\psseenvmanager\psseenvmanagerw.pyw", line 6, in <module> import commonem as comonpy ImportError: DLL load failed:The specified module could not be found.

I wondering if "common_em" is a package of python, when check my "pip list" there exist common(0.1.2),it is the same thing?

import os
import sys
PSSE_PATH = r"C:\Program Files (x86)\PTI\PSSE34\PSSBIN"
sys.path.append(PSSE_PATH)
os.environ['PATH'] = os.environ['PATH'] + ';' + PSSE_PATH
import psspy

from psspy import _i
from psspy import _f

psspy.psseinit(100000)
psspy.case(r"""C:\Program Files (x86)\PTI\PSSE33\EXAMPLE\savnw.sav""")
psspy.fdns([0,0,0,1,1,0,99,0])
psspy.fdns([0,0,0,1,1,0,99,0])
psspy.cong(0)
psspy.conl(0,1,1,[0,0],[ 100.0,0.0,0.0, 100.0])
psspy.conl(0,1,2,[0,0],[ 100.0,0.0,0.0, 100.0])
psspy.conl(0,1,3,[0,0],[ 100.0,0.0,0.0, 100.0])
psspy.ordr(0)
psspy.fact()
psspy.tysl(0)
psspy.dyre_new([1,1,1,1],r"""C:\Program Files (x86)\PTI\PSSE33\EXAMPLE\savnw.dyr""","","","")
#-----------load dll--------------------  
workdir = os.getcwd()
dllname= 'dsusr_34.dll'
ierr = psspy.addmodellibrary(workdir + "\\" + dllname)      #load dll   
#---------------------------------------- 
psspy.chsb(0,1,[-1,-1,-1,1,4,0])
psspy.chsb(0,1,[-1,-1,-1,1,5,0])
psspy.chsb(0,1,[-1,-1,-1,1,13,0])
psspy.chsb(0,1,[-1,-1,-1,1,16,0])
psspy.strt_2([0,1],r"""C:\Users\EE106\Desktop\try.out""")

could anyone can help me fix it? Very apperciate!! My PSSE version is 34.6.1

Messages for api ADDMODELLIBRARY Library not found (000301) "C:\Python27\Lib\site-packages\psseenvmanager\dsusr_34.dll"

thanks your reply. I didn't see the illustration.Could you please send me a link? thanks a lot!

Hi everyone,

I want to build a PV dynamic model, the model has its own control strategy, in the other words,if I have the PV model block diagram,how can I build and run dynamic simulation in PSSE?

Also I want to ask if there's someone know GMB(Graphical Model Builder) can build PV or ESS dynamic model and run the simulation in PSSE or not?

Thank you for your help

Thank you very much

Very appreciate of your reply. I still wondering, without using EM can I use the latest Visual Studio & Intel fortran compiler(installed by "Intel oneAPI HPC Toolkit") to make the dsusr.dll? thanks your answer.

Hi jconto,can I ask you where to find and download Intel Visual Fortran? I'm just starting to learn how to write the UDM and try to compile the fortran code to dsusr.dll by Environment manager. I already install the VS 2013 but still can't found where can download the IVF 15.0.221. thanks