Busbar
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Hello,

I would like to insert an aggregated power plant model into the system model, where they are in different .raw files. The action plan to achieve this goal is: 1. Change the bus ID of the aggregated power plant model to values that are not present in the system model, 2. In both .raw files change (using Notepad) the IC value from 0 to 1, 3. Open the system model in PSS/E, then load the aggregated power plant model using the READ command.

By following the steps above, I manage to obtain the desired result (the aggregated power plant model is placed in the correct location within the system model). However, the values of the aggregated power plant model are multiplied by 10 (the system model SBASE is 1000 MVA, while the aggregated power plant model SBASE is 100 MVA). How should I correctly perform the SBASE adjustment?

Are there any other aspects I might be missing?

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Is enough only to change SBASE from 100 to 1000 MVA? Or there is more to do?

Busbar ( 2025-08-22 07:07:32 -0500 )edit

All data in the file that are in pu system base, e.g. branch data, must be recalculated to the new system base. Machine data are not affected since they are in Machine base (MBASE).

perolofl ( 2025-08-22 07:11:16 -0500 )edit

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Merge two RAW files

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