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Strt problem between GUI and python

Hi all, I used IEEE-39bus model which has 1 GAST2A model. First, I used GUI to run STRT/RUN. Everything is normal. The message showed below. However, I tried to change this one into python. When I applied STRT API, the results are not the same. Pls, help me with this case. I really did not know why. The second result is copied from (STRT) .out file when I used python.

the first result (1) INITIAL CONDITION LOAD FLOW USED 1 ITERATIONS

----------------------------- MACHINE INITIAL CONDITIONS ----------------------------- BUS#-SCT X-- NAME --X BASKV ID ETERM EFD POWER VARS P.F. ANGLE ID IQ 101 NUC-A 21.600 1 1.0200 1.3450 450.00 -66.03 0.9894 49.64 0.2681 0.4167 102 NUC-B 21.600 1 1.0200 1.2743 400.00 -67.69 0.9860 46.15 0.2101 0.3888 206 URBGEN 18.000 1 1.0122 1.6696 409.99 247.92 0.8557 18.76 0.3687 0.2968 211 HYDROG 20.000 1 1.0478 1.2520 350.00 -100.00 0.9615 46.96 0.1984 0.4362 3011 MINEG 13.800 1 1.0400 1.2682 211.59 16.89 0.9968 14.97 0.0682 0.1924 3018 CATDOG_G 13.800 1 1.0523 2.9886 100.00 80.00 0.7809 24.10 0.8429 0.4074

INITIAL CONDITIONS SUSPECT: I DSTATE(I) STATE(I) MODEL STATE BUS#-SCT X-- NAME --X BASKV ID 60 0.66169 -1.0836 GAST2A K+5 101 NUC-A 21.600 1

the second result (1)

PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E TUE, JUN 09 2020 16:49 PSS(R)E PROGRAM APPLICATION GUIDE EXAMPLE BASE CASE INCLUDING SEQUENCE DATA

INITIAL CONDITION LOAD FLOW USED 1 ITERATIONS

----------------------------- MACHINE INITIAL CONDITIONS ----------------------------- BUS#-SCT X-- NAME --X BASKV ID ETERM EFD POWER VARS P.F. ANGLE ID IQ 101 NUC-A 21.600 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 102 NUC-B 21.600 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 206 URBGEN 18.000 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 211 HYDROG 20.000 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 3011 MINEG 13.800 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 3018 CATDOG_G 13.800 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000

Network not converged at TIME = -0.0167

INITIAL CONDITIONS CHECK O.K.

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No.2 Revision

Strt problem between GUI and python

Hi all, I used IEEE-39bus model which has 1 GAST2A model. model.

First, I used GUI to run STRT/RUN. Everything is normal. The message showed below. However, I tried to change this one into python. When I applied STRT API, the results are not the same. same.

Pls, help me with this case. I really did not know why. The second result is copied from (STRT) .out file when I used python.

the first result (1)
 INITIAL CONDITION LOAD FLOW USED 1 ITERATIONS

ITERATIONS ----------------------------- MACHINE INITIAL CONDITIONS ----------------------------- BUS#-SCT X-- NAME --X BASKV ID ETERM EFD POWER VARS P.F. ANGLE ID IQ 101 NUC-A 21.600 1 1.0200 1.3450 450.00 -66.03 0.9894 49.64 0.2681 0.4167 102 NUC-B 21.600 1 1.0200 1.2743 400.00 -67.69 0.9860 46.15 0.2101 0.3888 206 URBGEN 18.000 1 1.0122 1.6696 409.99 247.92 0.8557 18.76 0.3687 0.2968 211 HYDROG HYDRO_G 20.000 1 1.0478 1.2520 350.00 -100.00 0.9615 46.96 0.1984 0.4362 3011 MINEG MINE_G 13.800 1 1.0400 1.2682 211.59 16.89 0.9968 14.97 0.0682 0.1924 3018 CATDOG_G 13.800 1 1.0523 2.9886 100.00 80.00 0.7809 24.10 0.8429 0.4074

0.4074 INITIAL CONDITIONS SUSPECT: I DSTATE(I) STATE(I) MODEL STATE BUS#-SCT X-- NAME --X BASKV ID 60 0.66169 -1.0836 GAST2A K+5 101 NUC-A 21.600 1

1 the second result (1)

(1) PTI INTERACTIVE POWER SYSTEM SIMULATOR--PSS(R)E TUE, JUN 09 2020 16:49 PSS(R)E PROGRAM APPLICATION GUIDE EXAMPLE BASE CASE INCLUDING SEQUENCE DATA

DATA INITIAL CONDITION LOAD FLOW USED 1 ITERATIONS

ITERATIONS ----------------------------- MACHINE INITIAL CONDITIONS ----------------------------- BUS#-SCT X-- NAME --X BASKV ID ETERM EFD POWER VARS P.F. ANGLE ID IQ 101 NUC-A 21.600 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 102 NUC-B 21.600 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 206 URBGEN 18.000 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 211 HYDROG HYDRO_G 20.000 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 3011 MINEG MINE_G 13.800 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000 3018 CATDOG_G 13.800 1 0.0000 0.0000 0.00 0.00 0.0000 0.00 0.0000 0.0000

0.0000 Network not converged at TIME = -0.0167

-0.0167 INITIAL CONDITIONS CHECK O.K.

O.K.