ISO/RTO/TSO guidelines on EMT modeling.
Last Updated: November 30, 2025
Version: 1.0.1
Generated: December 04, 2025
Source:
4. Model Accuracy Guidelines
4.1 Represent All Control Loops in Detail
4.2 Represent All Control Features Pertinent to the Type of Study Being Done
4.3 Include Representation of Plant Level Controls or Multi-Plant Controllers, As Applicable
4.4 Represent All Pertinent Electrical and Mechanical Components
4.5 Have All Pertinent Protections Modeled in Detail
4.6 Model Must Be Configured to Match Site-Specific Equipment Settings
4.7 EMT Model Response Must Align With Positive Sequence Phasor Domain (PSPD) Model
5. Model Usability Guidelines
5.1 Reflect an Aggregate Representation of the Plant
5.2 Have Control or Hardware Options Which Are Pertinent to the Study Accessible to the User
5.3 Able to Operate at a Range of Time Steps
5.4 Include a Model User Guide and a Sample Case
5.5 Accept/Expose Reference Setpoints
5.6 Be Capable of Initializing Itself As Quickly As Possible
5.7 Have the Ability to Scale Plant Capacity
5.8 Have the Ability to Set Plant Active Power Reference Setpoint (Pref) Between Pmax and Pmin