An efficient multirate Simulation technique for power-electronic-based systems

TitleAn efficient multirate Simulation technique for power-electronic-based systems
Publication TypeJournal Article
Year of Publication2004
AuthorsPekarek, S. D., O. Wasynczuk, E. A. Walters, J. Jatskevich, C. E. Lucas, N. Wu, and P. T. Lamm
JournalPower Systems, IEEE Transactions on
Volume19
Pagination399 - 409
Date Publishedfeb.
ISSN0885-8950
Keywordscomputer simulation, coupling variables, fixed time-step, integration, integration algorithm, multirate simulation technique, power electronics, power system modeling, power system simulation, power-electronic subsystem, power-electronic-based systems, time scales, variable time-step
Abstract

A novel multirate method of simulating power-electronic-based systems containing a wide range of time scales is presented. In this method, any suitable integration algorithm, with fixed or variable time-step, can be applied to the fast and/or slow subsystems. The subsystems exchange coupling variables at a communication interval that can be fixed or varied dynamically depending upon the state of the system variables. The proposed multirate method is applied to two example power systems that include power-electronic subsystems. Increases in simulation speed of 183-281% over established single-rate integration algorithms are demonstrated.

URLhttp://dx.doi.org/10.1109/TPWRS.2003.821452
DOI10.1109/TPWRS.2003.821452

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