Co-Simulation of Electromagnetic Transients and Phasor Models: A Relaxation Approach

  title={Co-Simulation of Electromagnetic Transients and Phasor Models: A Relaxation Approach},
  author={Frederic J. Plumier and Petros Aristidou and Christophe Geuzaine and Thierry Van Cutsem},
  journal={IEEE Transactions on Power Delivery},
Co-simulation opens new opportunities to combine mature electromagnetic transients (EMT) and phasor-mode (PM) solvers, and takes advantage of their respective high accuracy and execution speed. In this paper, a relaxation approach is presented, iterating between an EMT and a PM solver. This entails interpolating over time the phasors of the PM simulation, extracting phasors from the time evolutions of the EMT simulation, and representing each subsystem with a proper multiport equivalent when… CONTINUE READING
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