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PSSE | Importing a Network

This document shows the steps of importing a PSSE model into HYPERSIM.

Step 1 - Create a new HYPERSIM model

  • Select New from File tab, then create a HYPERSIM file.

  • Select the desired folder and choose the file name, then Save it.

Step 2 - Import the PSSE model


  • Select the *.raw file from PSSE option and Import it.


To import a PSSE model into HYPERSIM, it is necessary to provide the path to the *.raw file in the designated "File" text field. Alternatively, users can utilize the browse option located on the right-hand side of the field for file selection.

For importing the dynamic data, the *.dyr file must bear the identical name as the *.raw file. The system automatically selects any other files within the same directory that share the same name.

While it is possible to import a model using only a *.raw file, without an accompanying *.dyr file, it is not possible to import solely a *.dyr file.


The PSSE Network Import operation generates a set of reports, which are useful, among other things, for:

  • Identifying any ignored or unsupported components.

  • Assist OPAL-RT in the identification of the cause of potential conversion issues.

For more details on these reports see


Replace machines by sources

If activated, this option replaces all machines with ideal voltage sources.

Group machines with controls

This feature merges the machines and their controllers into a subcircuit.


OPAL-RT TECHNOLOGIES, Inc. | 1751, rue Richardson, bureau 1060 | Montréal, Québec Canada H3K 1G6 | | +1 514-935-2323