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
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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Refined Hybrid Microgrid Architecture for the Improvement of Voltage Profile [PDF]
Hybrid microgrid is emerging as a flexible and modular solution that integrates various heterogeneous energy resources and loads. This conventional hybrid microgrid architecture can also reduce the number of power conversion stages, when compared to ...
Bhimasingu, Ravikumar, Kishore, P M
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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
doaj +1 more source
Analysis of an On-Line Stability Monitoring Approach for DC Microgrid Power Converters [PDF]
An online approach to evaluate and monitor the stability margins of dc microgrid power converters is presented in this paper. The discussed online stability monitoring technique is based on the Middlebrook's loop-gain measurement technique, adapted to ...
Caldognetto, Tommaso +4 more
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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
doaj +1 more source
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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Wind SRG-Based Bipolar DC Microgrid with Grid-Connected and Plug-In Energy Supporting Functions
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
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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