System Dynamics Database

ScreenshotSDDB is a tool designed for managing dynamic models submitted for a large region by its members, and for assembling dynamic models matching specified powerflow cases for stability studies. The tool is currently being used in the annual effort of developing NERC/ERAG US/Canada Eastern Interconnection (EI) base stability cases.



  • Multi-user, web-hosted SQL database
  • Support for all dynamic models used in EI
  • Flexibility in adding new models
  • Facilities for model submission, modification, verification, and approval
  • Support for all data verification rules by NERC
  • Data auditing and usage tracing
  • User management and administration tools
  • Export of dynamic models matching specific powerflow cases

View SDDB Brochure