A new current sharing method for circulating current mitigation in meshed microgrid

• Autorzy: Ait Ben Hassi Youssef Amine , Hennane Youssef , Berdai Abdelmajid

Identyfikatory

DOI

10.15199/48.2024.07.44

Warianty tytułu

PL

Nowa metoda współdzielenia prądu w celu ograniczenia prądu obiegowego w mikrosieci siatkowej

• Języki publikacji: EN

Abstrakty

EN

In AC microgrids, droop control is widely employed for active and reactive power sharing due to its decentralized nature. However, when dealing with microgrids where the impedance of feeder lines is mismatched, droop control’s objectives may not be effectively achieved. Specifically, accurate sharing of reactive power is compromised, thereby impacting the overall microgrid performance. In response to these challenges, numerous researchers have explored alternative techniques to achieve precise current or power sharing, taking into account impedance disparities among feeder lines. Despite meeting these objectives, the presence of considerable circulating current within the microgrid remains, which could potentially threaten the system stability. To address these issues, this paper introduces a novel current sharing method designed for meshed microgrids. This method is designed not only to ensure accurate current sharing among distributed generations but also to mitigate circulating current to very low values. The effectiveness of the proposed approach is rigorously evaluated through software simulations employing MATLAB/SIMULINK. A comparison of circulating current values is conducted between two methods from the literature and the presented approach in this paper. The results demonstrate the effectiveness of the proposed method in achieving current sharing and reducing circulating current to minimal levels in challenging conditions.

PL

W mikrosieciach prądu przemiennego powszechnie stosuje się regulację nachyleniową w celu podziału mocy czynnej i biernej ze względu na jej zdecentralizowany charakter. Jednakże, przy mikrosieciach, gdzie impedancje linii zasilających są niezrównoważone, cele regulacji nachyleniowej mogą nie być skutecznie osiągnięte. W szczególności dokładny podział mocy biernej może być utrudniony, co wpływa negatywnie na ogólną wydajność mikrosieci. W odpowiedzi na te wyzwania, liczni badacze eksplorują alternatywne techniki osiągania precyzyjnego podziału prądu lub mocy, uwzględniając nierówności impedancji między liniami zasilającymi. Pomimo spełnienia tych celów, w mikrosieci pozostaje znaczny prąd krążący, który potencjalnie może zagrażać stabilności systemu. W celu rozwiązania tych problemów, niniejsza praca przedstawia nową metodę podziału prądu zaprojektowaną dla splecionych mikrosieci. Ta metoda ma na celu nie tylko zapewnienie dokładnego podziału prądu między rozproszonymi źródłami generacji, ale także zminimalizowanie prądu krążącego do bardzo niskich wartości. Skuteczność zaproponowanego podejścia jest rygorystycznie oceniana za pomocą symulacji komputerowych przy użyciu programu MATLAB/SIMULINK. Porównanie wartości prądu krążącego jest przeprowadzone między dwiema metodami z literatury a przedstawionym podejściem w tej pracy. Wyniki demonstrują skuteczność zaproponowanej metody w osiąganiu podziału prądu i redukcji prądu krążącego do minimalnych poziomów w trudnych warunkach.

Słowa kluczowe

EN

microgrid; circulating current; current sharing control; power sharing

PL

mikrosieć; prąd krążący; podział prądu; podział mocy

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2024
• Tom: R. 100, nr 7
• Strony: 220--227
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Ait Ben Hassi Youssef Amine

• Laboratory of Energy and Electrical Systems, Ecole Nationale Supérieure d’Electricité et de Mécanique (ENSEM), Hassan II University of Casablanca, Casablanca, Morocco

• https://orcid.org/0000-0003-2998-4923

autor

Hennane Youssef

• Laboratory for Energy and Theoretical and Applied Mechanics LEMTA, Université de Lorraine, Nancy, France

• https://orcid.org/0000-0003-2518-1701

autor

Berdai Abdelmajid

• Laboratory of Energy and Electrical Systems, Ecole Nationale Supérieure d’Electricité et de Mécanique (ENSEM), Hassan II University of Casablanca, Casablanca, Morocco

• https://orcid.org/0000-0003-1019-215X

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki i promocja sportu (2025).