An efficient multirate Simulation technique for power-electronic-based systems. Pekarek, S. D., Wasynczuk, O., Walters, E. A., Jatskevich, J. V., Lucas, C. E., Wu, N., & Lamm, P. T. *IEEE Transactions on Power Systems*, 19(1):399–409, February, 2004. doi abstract bibtex 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.

@Article{ Pekarek_2004aa,
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.},
author = {Pekarek, Steven D. and Wasynczuk, Oleg and Walters, Eric A. and Jatskevich, Juri V. and Lucas, Charles E. and Wu, Ning and Lamm, Peter T.},
doi = {10.1109/TPWRS.2003.821452},
file = {Pekarek_2004aa.pdf},
group = {pels},
issn = {0885-8950},
journal = {IEEE Transactions on Power Systems},
keywords = {integration,power electronics,power system simulation,computer simulation,coupling variables,fixed time-step,integration algorithm,multirate simulation technique,power system modeling,power-electronic subsystem,power-electronic-based systems,time scales,variable time-step,Differential equations,Laboratories,Numerical simulation,Numerical stability,Power system dynamics,Power system modeling,Power system simulation,Power system transients,Rectifiers,Solid state circuits},
month = feb,
number = {1},
pages = {399--409},
title = {An efficient multirate Simulation technique for power-electronic-based systems},
volume = {19},
year = {2004},
shortjournal = {IEEE Trans. Power Sys.}
}

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