Modeling the transient response of lightning current on grounding systems wind turbines

• Autorzy: Djaborebbi Amina , Zegnini Boubakeur , Mahi Djillali

Identyfikatory

DOI

10.15199/48.2021.02.33

Warianty tytułu

PL

Modelowanie odpowiedzi na prąd piounowy w uziemionym systemie turbiny wiatrowej

• Języki publikacji: EN

Abstrakty

EN

The paper deals with transient analysis of grounding systems wind turbines.To improve the accuracy of lightning impact studies on wind power grid generation, it is necessary to develop faster, more accurate simulation tools and to use increasingly sophisticated models .First, we identify and characterize the different parameters that influence the behaviour of grounding systems, particularly when they broadcast a lightning current. To do this, an electromagnetic model from the theory of antennas equation’s by – Euler method with incorporating soil ionization allows to represent the behavior of an earthing system inthe frequency domain.. Different configurations with several complexity degrees have been simulated. To validate the obtained results, we compare our TLM results to the measurement results and FDTD simulation..A comparison between two different configurations of wind turbine grounding systems with comparing the transient potential, impulse impedance, and DC component of transient impedance between the two configurations when buried in soil. A number of illustrative computational examples are presented in the paper

PL

W celu poprawy dokładności badań wpływu wyładowań atmosferycznych na produkcję energii wiatrowej konieczne jest opracowanie szybszych i dokładniejszych narzędzi symulacyjnych oraz wykorzystanie coraz bardziej wyrafinowanych modeli. W pierwszej kolejności identyfikujemy i opisujemy różne parametry wpływające na zachowanie się systemów uziemienia, zwłaszcza gdy przekazują one prąd piorunowy. W tym celu opracowany został model elektromagnetyczny z teorii równań Eulera z wykorzystaniem jonizacji gruntu, który pozwala na przedstawienie zachowania się systemu uziemienia w dziedzinie częstotliwości. Symulowane są różne konfiguracje o kilku stopniach złożoności. W celu walidacji uzyskanych wyników, porównujemy nasze wyniki TLM z wynikami pomiarów i symulacji FDTD.Porównanie dwóch różnych konfiguracji uziemienia turbiny wiatrowej z porównaniem potencjału przemijającego, impedancji impulsowej i składowej stałej impedancji przemijającej pomiędzy tymi dwiema konfiguracjami, gdy są one zakopane w gruncie.

Słowa kluczowe

EN

grounding system; transmission line method; finite difference time domain; soil ionization; transient behaviour

PL

system uziemienia; metoda linii transmisyjnej; domena czasowa różnic skończonych; jonizacja gleby

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2021
• Tom: R. 97, nr 2
• Strony: 159--164
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Djaborebbi Amina

• Amar Telidji University of Laghouat., PoBox 37 G, Mkam Laghouat 03000,Algeria

autor

Zegnini Boubakeur

• Amar Telidji University of Laghouat., PoBox 37 G, Mkam Laghouat 03000,Algeria

autor

Mahi Djillali

• Amar Telidji University of Laghouat., PoBox 37 G, Mkam Laghouat 03000,Algeria

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).