Results 111 to 120 of about 8,245 (229)

An experimental case on dual mode coupling energy management strategy for islanded AC/DC hybrid microgrid

open access: yesScientific Reports
The limited adjustable margin of the islanded AC/DC hybrid microgrid makes it difficult to both balance economic and stability. Therefore, an energy management strategy that can effectively harmonize economic and stability is highly desirable. In view of
Bin Wei, Yifan Liu, Jiahao Duan
doaj   +1 more source

Grid-Forming Characterization in DC Microgrids

open access: yesCoRR
DC microgrids are converter-based electrical networks that are increasingly being used in various applications, including data centers and industrial distribution systems. A central challenge in their operation is maintaining the DC-bus voltage within predefined limits while ensuring overall system stability.
Jovan Krajacic   +5 more
openaire   +2 more sources

Enhancing the protection of photovoltaic-based DC microgrids using circuit breaker operation sequence

open access: yesInternational Journal of Electrical Power & Energy Systems
The advancement of direct current (DC) microgrids is limited by insufficient operational experience, the inadequacy of suitable protective devices, and the absence of effective fault analysis methods.
Nahid Zamani   +3 more
doaj   +1 more source

Small signal analysis and dynamic modeling of a battery energy storage system in a DC microgrid

open access: yesInternational Journal of Electrical Power & Energy Systems
This paper presents a comprehensive small signal analysis of two types of battery energy storage systems (BESSs), including a voltage-controlled BESS (V-BESS) and a current-controlled BESS (C-BESS).
Rongrui Lin, Sungwoo Bae
doaj   +1 more source

DC-link voltage regulation of inverters to enhance microgrid stability during network contingencies

open access: yes, 2017
Equal power-rating inverters operating with different power set-points in either an islanded or grid-connected mode may lead to inter-unit circulating power caused by a large mismatch between power generation and demand during network contingencies ...
Pota, HR   +7 more
core   +1 more source

High-Efficiency Partial Power Converter for Integration of Second-Life Battery Energy Storage Systems in DC Microgrids

open access: yesIEEE Open Journal of the Industrial Electronics Society
This article presents a power electronic interface for battery energy storage integration into a dc microgrid. It is based on a partial power converter (PPC) employing a current-fed dc–dc topology.
Naser Hassanpour   +4 more
doaj   +1 more source

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