Dynamic power hierarchies: controlling isolated micro-grids with precision

• Autorzy: Abderrahmani Abdesselam , Allaoua Boumediene , Nasri Abdelfatah

Identyfikatory

DOI

10.15199/48.2024.01.24

Warianty tytułu

PL

Hierarchie mocy dynamicznej: precyzyjne sterowanie izolowanymi mikrosieciami

• Języki publikacji: EN

Abstrakty

EN

The management of isolated microgrids is a complex and challenging task due to their dynamic nature and evolving control systems. To address these challenges, a novel hierarchical control scheme is proposed in this article that operates across daily, weekly, and monthly horizons. The proposed scheme aims to enhance the stability and security of the power system, facilitate the integration of renewable energies, and reduce reliance on expensive and polluting diesel generators. Implemented using Matlab/Simulink, the proposed control scheme uses a multi-level loop concept to provide optimal operation of the isolated network. The primary, secondary, and tertiary control levels provide essential functions for an AC micro-grid, enabling the connection of different sources of alternating current, particularly renewable energy sources. The scheme has demonstrated its effectiveness in achieving optimal load sharing, voltage and frequency regulation, and reactive power sharing in isolated microgrids. The introduced decentralized control strategy modifies the static control parameters based on corresponding local information, improving the accuracy of frequency restoration and reactive power sharing in isolated microgrids. The results of simulations have significant implications for the efficient management and utilization of isolated networks, particularly in the context of renewable energy integration. Overall, this study contributes to the advancement of microgrid control technology and opens up new avenues for future research to improve the performance and reliability of microgrid systems.

PL

Zarządzanie izolowanymi mikrosieciami jest złożonym i wymagającym zadaniem ze względu na ich dynamiczny charakter i ewoluujące systemy sterowania. Aby sprostać tym wyzwaniom, w tym artykule zaproponowano nowy hierarchiczny schemat kontroli, który działa w horyzoncie dziennym, tygodniowym i miesięcznym. Proponowany program ma na celu zwiększenie stabilności i bezpieczeństwa systemu elektroenergetycznego, ułatwienie integracji energii odnawialnej oraz zmniejszenie uzależnienia od drogich i zanieczyszczających środowisko generatorów diesla. Zaimplementowany przy użyciu Matlab/Simulink, proponowany schemat sterowania wykorzystuje koncepcję wielopoziomowej pętli w celu zapewnienia optymalnej pracy izolowanej sieci. Podstawowe, drugorzędne i trzeciorzędne poziomy sterowania zapewniają podstawowe funkcje mikrosieci prądu przemiennego, umożliwiając podłączenie różnych źródeł prądu przemiennego, w szczególności odnawialnych źródeł energii. Schemat wykazał swoją skuteczność w osiąganiu optymalnego podziału obciążenia, regulacji napięcia i częstotliwości oraz podziału mocy biernej w izolowanych mikrosieciach. Wprowadzona zdecentralizowana strategia sterowania modyfikuje parametry sterowania statycznego w oparciu o odpowiednie informacje lokalne, poprawiając dokładność przywracania częstotliwości i podziału mocy biernej w izolowanych mikrosieciach. Wyniki symulacji mają istotne implikacje dla efektywnego zarządzania i wykorzystania odizolowanych sieci, szczególnie w kontekście integracji energii odnawialnej. Ogólnie rzecz biorąc, badanie to przyczynia się do rozwoju technologii sterowania mikrosieciami i otwiera nowe możliwości dla przyszłych badań nad poprawą wydajności i niezawodności systemów mikrosieci.

Słowa kluczowe

EN

distributed generator; droop control; hierarchical control; microgrid

PL

generator rozproszony; sterowanie Droop; sterowanie hierarchiczne; mikrosieć

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2024
• Tom: R. 100, nr 1
• Strony: 117--122
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Abderrahmani Abdesselam

• University TAHRI Mohammed of Bechar 08000 Algeria

autor

Allaoua Boumediene

• University TAHRI Mohammed of Bechar 08000 Algeria

autor

Nasri Abdelfatah

• University TAHRI Mohammed of Bechar 08000 Algeria

Bibliografia

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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).