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Voltage-load dynamics: Modeling and control

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3 Author(s)
George K. Stefopoulos ; School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, USA ; A. P. Sakis Meliopoulos ; George J. Cokkinides

This paper discusses voltage recovery phenomena following typical faults in a power system considering the existence of dynamic loads, consisting mainly of induction motors. A three-phase, physically based power system model is utilized, allowing inclusion of system asymmetries and imbalances. The proposed modeling and simulation is based on a quadratic power system model and on a numerical integration technique that assumes quadratic variation of the state within an integration step. Numerical experiments are presented for the purpose of quantifying the phenomena and identifying the major parameters affecting these phenomena.

Published in:

Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability, 2007 iREP Symposium

Date of Conference:

19-24 Aug. 2007