Results 41 to 50 of about 828,932 (322)
Transient Modeling and Analysis of VSC Based DC Microgrid During Short Circuit Fault
The application of distributed renewable energy (DER) drives the development of DC microgrid based on voltage source converter (VSC). And short circuit fault protection is a significant challenge for the development of VSC based DC microgrid.
Heng Nian, Liang Kong
doaj +1 more source
This article proposes new control architecture to improve the dynamic performance of DC microgrid by enhancing system inertia. The DC microgrids are gaining more importance due to the controlled and combined operation of multiple distributed energy ...
Rohit R. Deshmukh, Makarand S. Ballal
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Artificial Neural Network Based Fault Detection and Fault Location in the DC Microgrid [PDF]
In DC microgrid, power electronic devices may suffer from over current during short circuit faults. Since DC bus systems cannot sustain high fault currents, suitable protection strategy in DC lines is indispensable.
Cheng Wang +14 more
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Suppression of Second-Order Harmonic Current for Droop-Controlled Distributed Energy Resource Converters in DC Microgrids [PDF]
Droop-controlled distributed energy resource converters in dc microgrids usually show low output impedances. When coupled with ac systems, second-order harmonics typically appear on the dc-bus voltage, causing significant harmonic currents at the ...
Caldognetto, Tommaso +3 more
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Stabilisation strategy based on feedback linearisation for DC microgrid with multi-converter
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
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Improved Mode-Adaptive Droop Control Strategy for the DC Microgrid
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
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Global environmental changes, nuclear power risks, losses in the electricity grid, and rising energy costs are increasing the desire to rely on more renewable energy for electricity generation.
A. Alahmadi +6 more
semanticscholar +1 more source
Adaptive Time Delay Strategy for Reliable Load Shedding in the Direct-Current Microgrid
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
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Equivalent Modeling of Microgrids Based on Optimized Broad Learning System
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
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P-resonant control for the neutral point of three phase inverter [PDF]
In this project, a Proportional resonant (PR) current controller is proposed to maintain a balanced neutral point for a three-phase four wire inverter, which can be used in microgrid applications. The neutral-point circuit consists of a conventional
Omar Aashour, Omar Ali
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