Siemens does not openly advertise a public trial version, but commercial prospects can request a through an authorized Siemens partner or sales representative.
If you're having trouble with the installation or want to know: fix common "License Not Found" errors Where to find IEEE 14-bus or 30-bus test cases connect Python to PSS®E for the first time? psse software download free
: A limited, free version specifically for students and educational purposes. Siemens does not openly advertise a public trial
PSSE is a software tool used for power system analysis and simulation. It provides a comprehensive set of tools for modeling, analyzing, and optimizing power systems. The software allows users to create detailed models of power systems, including generators, transmission lines, transformers, and loads. psse software download free