Using the built-in library, the DYR file can only contain the following PSS/e models:
| Synchronous machine | GENCLS, GENROE, GENROU, GENSAE and GENSAL. |
| Induction machine | CIMTR3 |
| Excitation system | ESAC1A, ESAC5A, ESAC6A, ESDC1A, ESDC2A, ESST1A, ESST4B, EXAC1, EXAC2, EXAC4, EXDC2, EXPIC1, EXST1, IEEET1, IEEEX1, IVOEX, SCRX, SEXS and URST5T. |
| Power system stabilizer | IEE2ST, IEEEST, PSS2A, PSS2B, STAB1, STAB3 and STAB4. |
| Turbine-governor | GAST, HYGOV, IEEEG1, IEEEG2, IEESGO and TGOV1. |
To use a wider range of PSS/e models or to create user-defined models please refer to the section User-Defined Models.