Autors: Christodoulou C.A., Vita V., Perantzakis G., Ekonomou L., Milushev, G. M.
Title: Adjusting the Parameters of Metal Oxide Gapless Surge Arresters’ Equivalent Circuits Using the Harmony Search Method
Keywords: circuit model; harmony search method; optimization; surge arrester

Abstract: The appropriate circuit modeling of metal oxide gapless surge arresters is critical for insulation coordination studies. Metal oxide arresters present a dynamic behavior for fast front surges; namely, their residual voltage is dependent on the peak value, as well as the duration of the injected impulse current, and should therefore not only be represented by non-linear elements. The aim of the current work is to adjust the parameters of the most frequently used surge arresters’ circuit models by considering the magnitude of the residual voltage, as well as the dissipated energy for given pulses. In this aim, the harmony search method is implemented to adjust parameter values of the arrester equivalent circuit models. This functions by minimizing a defined objective function that compares the simulation outcomes with the manufacturer’s data and the results obtained from previous methodologies.

References

    Issue

    Energies 2017, vol. 10, issue 12, pp. 2168, 2017, Switzerland, MDPI, ISSN1996:1073/doi:10.3390/en10122168

    Copyright MDPI

    Full text of the publication

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