Coordination strategy for digital frequency relays and energy storage in a low-inertia microgrid

• Autorzy: Said Sayed M. , Mohamed Emad A. , Hartmann Bálint
• Języki publikacji: EN

Abstrakty

EN

Recently, dynamic frequency stability problems have started to arise in microgrid systems with the increasing utilization of low inertia and intermittent renewable energy sources. This leads to limiting the maximum penetration of renewable sources in microgrids. In order to solve this problem and increase the penetration of renewable sources, the dynamic frequency controller of the microgrid should be enhanced. Therefore, this paper will provide virtual inertia response of superconducting magnetic energy storage coordinated with the load frequency control depending on a new optimal proportional-integral-derivative controller-based advanced swarm intelligence technique, named Moth Swarm Algorithm (MSA). Moreover, the proposed inertia control strategy is coordinated with digital frequency relay to enhance dynamic frequency stability and maintain microgrid dynamic security at high penetration levels of renewable sources and radical load change. To attest the superiority of the proposed technique, it has been examined using MATLAB/SIMULINK, considering different contingency cases and varying the inertia level of the studied microgrid. The results stated that the proposed coordination can effectively regulate microgrid frequency and maintain dynamic stability and security.

Słowa kluczowe

EN

digital protection; load frequency control; low-inertia microgrid; superconducting magnetic energy storage

PL

ochrona cyfrowa; regulacja częstotliwości i mocy; mikrosieć niskiego napięcia; nadprzewodnikowy zasobnik energii

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2019
• Tom: Vol. 99, nr 4
• Strony: 254--263
• Opis fizyczny: Bibliogr. 37 poz., rys., tab., wykr.

Twórcy

autor

Said Sayed M.

• Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt

autor

Mohamed Emad A.

• Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt

autor

Hartmann Bálint

• Department of Electric Power Engineering, Budapest University of Technology and Economics, 1111 Budapest, Hungary

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).