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Single - Point Methods for Location of Electromagnetic Disturbances in Power System

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PL
Jednopunktowe metody lokalizacji zaburzeń elektromagnetycznych w systemie zasilającym
Języki publikacji
EN
Abstrakty
EN
Often, in the case of a significant level of electromagnetic disturbance in electrical power system, at the customer's supply terminals, there is a need for locating the source of this disturbance, e.g. harmonics, voltage fluctuations, voltage dips, occasionally also asymmetry. Utilities and power consumers have become increasingly interested in quantifying the responsibilities for power quality problems. This issue gains particular meaning when formulating contracts for electric power supply and enforcing, by means of tariff rates, extra charges for worsening the power quality. This paper concerns as an example an application of one method (from the collection of many existing) used to locate sources of electromagnetic disturbances (harmonics, dips, voltage fluctuations and asymmetry), based on the study of the power flow at the point of common coupling (PCC).
PL
Często w przypadku wystąpienia znaczącego poziomu zaburzenia elektromagnetycznego na zaciskach odbiorcy powstaje potrzeba lokalizacji jego źródła, przykładowo harmonicznych, wahań napięcia, zapadów napięcia, niekiedy także asymetrii. Dostawcy i odbiorcy energii w coraz większym stopniu są zainteresowani jednoznaczną oceną odpowiedzialności za złą jakość dostawy energii. Nabiera to szczególnego znaczenia w okresie formułowania kontraktów na dostawę energii i egzekwowania, poprzez taryfy, opłat za pogarszanie jej jakości. W artykule przedstawiono, jako przykład, aplikację jednej metody (ze zbioru wielu istniejących) stosowanej do lokalizacji źródeł zaburzeń elektromagnetycznych (harmonicznych, zapadów, wahań i asymetrii napięcia) opartej na badaniu kierunku przepływu mocy w punkcie wspólnego przyłączenia (PWP).
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1--5
Opis fizyczny
Bibliogr. 59 poz., rys., tab., wykr.
Twórcy
autor
  • Akademia Górniczo-Hutnicza im. S. Staszica, Katedra Energoelektroniki i Automatyki Systemów Przetwarzania Energii, al. Mickiewicza 30, 30-059 Kraków.
Bibliografia
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  • [50.] Tayjasanant, T., Li C., Xu W.: A resistance sign-based method for voltage sag source detection. IEEE Tran. on Power Delivery 20, 4, 2005, pp. 2554-2551.
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  • [53.] Tsukamoto M., Kouda I., Natsuda Y., Minowa Y., Nishimura S.: Advanced method to identify harmonics characteristic between utility grid and harmonic current sources, 8th ICHQP, Athens, Greece, Oct. 14-16, 1998.
  • [54.] Varetsky Y., Hanzelka Z.: Negative-sequence active power stream as an index of unbalance source, IEEE EPQU2011 International conference : Lisbon, 17-19 October 2011.
  • [55.] Wilkosz K.: A generalized approach to localization of sources of harmonics in a power system, 13th ICHQP, Australia, 2008.
  • [56.] Wilkosz K.: Metody analizy wyższych harmonicznych w systemie elektroenergetycznym, Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław 2013.
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  • [58.] Xu W., Liu X., Liu Y.: An investigation on the validity of power direction method for harmonic source determination, IEEE Trans. Power Delivery, 18, 1, 2003, pp. 214-219.
  • [59.] Zavada F.: Measurement and evaluation of the harmonic emission level from a particular fluctuating load, CIGRECIRED Working Group C4.109, 2008.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-679228b8-d96b-404e-b494-cd40bef376d9
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