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Relevant bibliographies by topics / Control system- AC and DC microgrids

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Academic literature on the topic 'Control system- AC and DC microgrids'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Control system- AC and DC microgrids"

1

Sheng, Wanxing, Yinqiu Hong, Ming Wu, and Yu Ji. "A Cooperative Control Scheme for AC/DC Hybrid Autonomous Microgrids." Processes 8, no. 3 (2020): 311. http://dx.doi.org/10.3390/pr8030311.

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The AC/DC hybrid microgrid (MG) has been widely promoted due to its high flexibility. The capability to operate in islanding mode is an appealing advantage of the MG, and also sets higher requirements for its control system. A droop control strategy is proposed on account of its distinguishing feature of automatic power sharing between distributed generations (DGs), but it introduces some drawbacks. Therefore, distributed cooperative secondary control is introduced as an improvement. In order to optimize the active power sharing in AC/DC hybrid microgrids, a number of cooperative control strat

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2

Ohm Vignesh V & Dr. Latha Mercy E. "Implementation and Optimal Control of DC Microgrid." International Journal for Modern Trends in Science and Technology 7, no. 05 (2021): 89–95. http://dx.doi.org/10.46501/ijmtst0705014.

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The degradation of non-renewable energy resources has been increasing widely. The objective of this research is to effectively utilize solar power using DC microgrid technology. Compared with AC microgrids, DC microgrids obtain some advantages and more suitable to access distributed power sources. A methodology “Plug and Play” approach based on the “System of Systems” philosophy controls interconnecting several elements to a DC microgrid. The main aim of this research work is to supply the power to the critical load at any condition. When power availability is less, the non-critical load will

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3

Vinothkumar, J., and R. Thamizhselvan. "Efficient Power Management and Control Strategy of Hybrid Renewable Energy System in Microgrid." International Journal on Applied Physics and Engineering 2 (July 17, 2023): 106–27. http://dx.doi.org/10.37394/232030.2023.2.11.

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Currently, the use of renewable energy has gradually increased due to the environmental problems present nowadays. The intermittency of distributed renewable generation poses significant challenges for the operation and integration of microgrids. Unlike the main power grid, where load balancing resources, in general, are abundant, the balancing of generation and load in a microgrid must be done by small gas turbines, diesel generators, or energy storage devices with very limited capacity and at much higher costs. Consequently, the proposed methodology seeks a model for minimizing the Energy Co

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4

Barros, J. Dionísio, Luis Rocha, and J. Fernando Silva. "Backstepping Predictive Control of Hybrid Microgrids Interconnected by Neutral Point Clamped Converters." Electronics 10, no. 10 (2021): 1210. http://dx.doi.org/10.3390/electronics10101210.

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In this work, DC and AC parts of hybrid microgrids are interconnected by a neutral point clamped—NPC converter controlled using a new backstepping predictive (BP) method. The NPC converter is controlled to operate in the DC microgrid voltage control mode or in the AC microgrid power control mode. The novel backstepping predictive controller is designed using the dq state space dynamic model of the NPC converter connected to the hybrid microgrid. The designed BP controller regulates the DC voltage or AC injected power, balances the capacitor voltages, controls the AC currents, and enforces the

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5

Liu, Xinbo, Shi Wang, Xiaotong Song, and Jinghua Zhou. "Stability Control Strategies for Bidirectional Energy Storage Converters Considering AC Constant Power Loads." Electronics 12, no. 4 (2023): 1067. http://dx.doi.org/10.3390/electronics12041067.

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In islanded AC microgrids, negative impedance characteristics of AC constant power loads (AC CPLs) easily introduce large signal instability to the system, while energy storage systems sometimes compensate for the dynamic characteristics of AC CPLs, and increase the system stability. Although energy storage control techniques and characteristics have gained a lot of attention, few studies have derived quantitative design guidelines for energy storage systems from the aspect of stability improvement. In order to fill this gap, this paper proposes stability control strategies for bidirectional e

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6

Azeem, Omar, Mujtaba Ali, Ghulam Abbas, et al. "A Comprehensive Review on Integration Challenges, Optimization Techniques and Control Strategies of Hybrid AC/DC Microgrid." Applied Sciences 11, no. 14 (2021): 6242. http://dx.doi.org/10.3390/app11146242.

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The depletion of natural resources and the intermittence of renewable energy resources have pressed the need for a hybrid microgrid, combining the benefits of both AC and DC microgrids, minimizing the overall deficiency shortcomings and increasing the reliability of the system. The hybrid microgrid also supports the decentralized grid control structure, aligning with the current scattered and concentrated load scenarios. Hence, there is an increasing need to explore and reveal the integration, optimization, and control strategies regarding the hybrid microgrid. A comprehensive study of hybrid

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7

Volnyi, Vladislav, Pavel Ilyushin, Konstantin Suslov, and Sergey Filippov. "Approaches to Building AC and AC–DC Microgrids on Top of Existing Passive Distribution Networks." Energies 16, no. 15 (2023): 5799. http://dx.doi.org/10.3390/en16155799.

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The process of building microgrids on top of existing passive distribution networks warrants a multi-criteria analysis. Besides the calculation of the investment outlays needed for the modernization of distribution networks, such an analysis covers an assessment of the technological and economic effects of building microgrids. The resulting effects depend on the topology and configuration of distribution networks, specific microgrid features, the choice of the current type for the entire microgrid or its individual parts, the methods of connecting distributed energy resources (DERs), the avail

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8

El-Shahat, Adel, and Sharaf Sumaiya. "DC-Microgrid System Design, Control, and Analysis." Electronics 8, no. 2 (2019): 124. http://dx.doi.org/10.3390/electronics8020124.

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Recently direct current (DC) microgrids have drawn more consideration because of the expanding use of direct current (DC) energy sources, energy storages, and loads in power systems. Design and analysis of a standalone solar photovoltaic (PV) system with DC microgrid has been proposed to supply power for both DC and alternating current (AC) loads. The proposed system comprises of a solar PV system with boost DC/DC converter, Incremental conductance (IncCond) maximum power point tracking (MPPT), bi-directional DC/DC converter (BDC), DC-AC inverter and batteries. The proposed bi-directional DC/D

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9

Rangarajan, Shriram S., Rahul Raman, Amritpal Singh, et al. "DC Microgrids: A Propitious Smart Grid Paradigm for Smart Cities." Smart Cities 6, no. 4 (2023): 1690–718. http://dx.doi.org/10.3390/smartcities6040079.

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Recent years have seen a surge in interest in DC microgrids as DC loads and DC sources like solar photovoltaic systems, fuel cells, batteries, and other options have become more mainstream. As more distributed energy resources (DERs) are integrated into an existing smart grid, DC networks have come to the forefront of the industry. DC systems completely sidestep the need for synchronization, reactive power control, and frequency control. DC systems are more dependable and productive than ever before because AC systems are prone to all of these issues. There is a lot of unrealized potential in

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10

Ilyushin, Pavel, Vladislav Volnyi, Konstantin Suslov, and Sergey Filippov. "State-of-the-Art Literature Review of Power Flow Control Methods for Low-Voltage AC and AC-DC Microgrids." Energies 16, no. 7 (2023): 3153. http://dx.doi.org/10.3390/en16073153.

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The development of AC distribution systems provides for the seamless integration of low-voltage microgrids with distributed energy resources (DERs). This poses new challenges for the control of normal, emergency, and post-emergency states of microgrids, calling for the creation and development of information and communications technology infrastructure. Power converters/inverters that are used to integrate renewable DERs lack inertia. Along with them, fossil fuel-fired generation units are also being integrated into microgrids. These include gas generator sets, diesel generator sets, and micro

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