Testing a differential-algebraic equation solver in long-term voltage stability simulation

José E. O. Pessanha and Alex A. Paz

Mathematical Problems in Engineering, 2006, vol. 2006, 1-13

Abstract:

This work evaluates the performance of a particular differential-algebraic equation solver, referred to as DASSL, in power system voltage stability computer applications. The solver is tested for a time domain long-term voltage stability scenario, including transient disturbances, using a real power system model. Important insights into the mechanisms of the DASSL solver are obtained through the use of this real model, including control devices relevant to the simulated phenomena. The results indicate that if properly used, the solver can be a powerful numerical tool in time domain assessment of long-term power system stability since it comprises, among several important features, suitable and very efficient variable order and variable step-size numerical techniques. These characteristics are very important when CPU time is a great concern, which is the case when the power system operator needs reliable results in a short period of time. Prior to the present work, this solver has never been applied in power system stability computer analysis in time domain considering slow and fast phenomena.

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:052315

DOI: 10.1155/MPE/2006/52315

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