Results 21 to 30 of about 11,542 (214)

Stabilisation strategy based on feedback linearisation for DC microgrid with multi-converter

open access: yesThe Journal of Engineering, 2019
Power electronic converters have been widely used in power system and the stability issues of DC microgrid with converters will be discussed in this study. Firstly, an equivalent circuit and the corresponding state space model for DC microgrid with DC–DC
Xuanying Shao, Jian Hu, Zhongtian Zhao
doaj   +1 more source

Improved Mode-Adaptive Droop Control Strategy for the DC Microgrid

open access: yesIEEE Access, 2019
The mode-adaptive droop control (MADC) strategy enables bus voltage regulation and power sharing between the distributed energy resources (DERs) in the direct current (dc) microgrid without communication systems.
Jafar Mohammadi, Firouz Badrkhani Ajaei
doaj   +1 more source

Equivalent Modeling of Microgrids Based on Optimized Broad Learning System

open access: yesEnergies, 2021
The DC microgrid is an important structure of microgrids. Aiming at the problem of the grid-connected DC microgrid modeling, a grid-connected DC microgrid equivalent modeling method based on the optimized Broad Learning System (BLS) is proposed.
Lin Wang, Anke Xue
doaj   +1 more source

Autonomous Control Strategy of DC Microgrid for Islanding Mode Using Power Line Communication

open access: yesEnergies, 2018
This paper proposes a DC-bus signaling (DBS) method for autonomous power management in a DC microgrid, used to improve its reliability. Centralized power management systems require communication between the power sources and loads.
Dong-Keun Jeong   +4 more
doaj   +1 more source

Adaptive Time Delay Strategy for Reliable Load Shedding in the Direct-Current Microgrid

open access: yesIEEE Access, 2020
This paper proposes a practical and reliable decentralized load shedding strategy to protect the integrity of the direct-current (DC) microgrid. The proposed strategy utilizes time delays that automatically adapt to the DC microgrid operating conditions ...
Jafar Mohammadi, Firouz Badrkhani Ajaei
doaj   +1 more source

Wind SRG-Based Bipolar DC Microgrid with Grid-Connected and Plug-In Energy Supporting Functions

open access: yesEnergies, 2023
Although a switched reluctance generator (SRG) is not the mainstream wind generator, it possesses the application potential and is worth developing for its many structural merits and high developed power ability.
Shangping Lin   +2 more
doaj   +1 more source

Passive Fault-Tolerant Control Strategies for Power Converter in a Hybrid Microgrid

open access: yesEnergies, 2020
Control of AC/DC pulse-width modulation (PWM) power electronic converter, referred to as “AC/DC PWM converter”, is vital to the efficient regulation of power flow between AC and DC parts of a hybrid microgrid.
Saeedreza Jadidi   +2 more
doaj   +1 more source

DC-based microgrid: Topologies, control schemes, and implementations

open access: yesAlexandria Engineering Journal, 2023
This article presents a state-of-the-art review of the status, development, and prospects of DC-based microgrids. In recent years, researchers’ focus has shifted to DC-based microgrids as a better and more feasible solution for meeting local loads at the
Babangida Modu   +3 more
doaj   +1 more source

Reliability evaluation of an aggregate power conversion unit in the off-grid PV-battery-based DC microgrid from local energy communities under dynamic and transient operation

open access: yesEnergy Reports, 2022
In a rural/local energy community (LEC), a PV-battery-based DC microgrid (MG) normally operates at the off-grid/islanded mode. At this off-grid operation mode, the reliability of power converters in both the PV system and the battery energy storage ...
Tsai-Chi Kuo   +5 more
doaj   +1 more source

DC MicroGrids

open access: yes, 2018
This chapter introduces concepts of DC MicroGrids exposing their elements, features, modeling, control, and applications. Renewable energy sources, energy storage systems, and loads are the basics components of a DC MicroGrid. These components can be better integrated thanks to their DC feature, resulting in simpler power converter topologies, as well ...
Perez, Filipe, Damm, Gilney
openaire   +1 more source

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