Monitoring for Mutual Effects of Switching Power Capacitors in Power Systems

Samy M. Ghania; Ayman S. Elwer; Reda Morsi; M. M. A. Salama

Monitoring for Mutual Effects of Switching Power Capacitors in Power Systems

Vol. 8, No. 4, pp. 325-331, Oct. 2008

10.6113/JPE.2008.8.4.325

Overvoltages and currents monitoring- Switching power capacitors-Switching power capacitors mutually effects

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Abstract

Power system perturbations are due to many reasons; one of the most common perturbation causes is switching off/on the power capacitors. This paper monitors and discusses the overvoltages which appear on local and remote capacitor connected buses in power systems. Using the Fast Fourier Transfer (FFT), the total harmonic content of voltages and currents waveforms is also estimated at all buses. The power factor during different cases of switching modes “off/on” is monitored. The monitoring technique tackles not only the longitudinal long distance mutual effects of switching power capacitors between different buses but also evaluates the overvoltage durations. A relative long term monitoring is implemented using the Matlab/Simulink environment to show severity assessments in different switching modes on the transformers’ voltages and currents’ waveforms.

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Cite this article

[IEEE Style]

S. M. Ghania, A. S. Elwer, R. Morsi, M. M. A. Salama, "Monitoring for Mutual Effects of Switching Power Capacitors in Power Systems," Journal of Power Electronics, vol. 8, no. 4, pp. 325-331, 2008. DOI: 10.6113/JPE.2008.8.4.325.

[ACM Style]

Samy M. Ghania, Ayman S. Elwer, Reda Morsi, and M. M. A. Salama. 2008. Monitoring for Mutual Effects of Switching Power Capacitors in Power Systems. Journal of Power Electronics, 8, 4, (2008), 325-331. DOI: 10.6113/JPE.2008.8.4.325.