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An error analysis of the multirate method for power system transient stability simulation

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4 Author(s)
J. Chen ; Dept. of Electr. & Comput. Eng., Univ. of Missouri-Rolla, Rolla, MO, USA ; M. L. Crow ; B. H. Chowdhury ; L. Acar

This efficient application of any numerical integration method depends on accurate estimation of the local truncation error to govern step size control. In this paper, the local truncation error of the multirate method using the forward Euler integration is derived leading to the calculation of the optimal step ratio. The techniques of applying multirate method in power systems are discussed. By implementing the multirate method in a practical power system example, the multirate strategies are proved to be efficient compared with traditional simulation methods.

Published in:

Power Systems Conference and Exposition, 2004. IEEE PES

Date of Conference:

10-13 Oct. 2004