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Artykuły w czasopismach na temat „Microgrides”

Autor: Grafiati

Data publikacji: 6 września 2023

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1

Albaker, Abdullah, Mansoor Alturki, Rabeh Abbassi, and Khalid Alqunun. "Zonal-Based Optimal Microgrids Identification." Energies 15, no. 7 (2022): 2446. http://dx.doi.org/10.3390/en15072446.

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Even though many studies have been deployed to determine the optimal planning and operation of microgrids, limited research was discussed to determine the optimal microgrids’ geographical boundaries. This paper proposes a zonal-based optimal microgrid identification model aiming at identifying the optimal microgrids topology in the current distribution systems through zoning the network into several clusters. In addition, the proposed model was developed as a mixed-integer linear programming (MILP) problem that identifies the optimal capacity and location of installing distributed energy resou

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Malyshev, Evgeny Anatolyevich, and Evgeny Fedorovich Shcherba. "Overview of conceptualization and operational management of seaport microgrides." Актуальные проблемы экономики и управления, no. 1 (2022): 305–10. http://dx.doi.org/10.52899/978-5-88303-644-5_305.

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Silva, Vanderlei Aparecido, Alexandre Rasi Aoki, and Germano Lambert-Torres. "Optimal Day-Ahead Scheduling of Microgrids with Battery Energy Storage System." Energies 13, no. 19 (2020): 5188. http://dx.doi.org/10.3390/en13195188.

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Optimal scheduling is a requirement for microgrids to participate in current and future energy markets. Although the number of research articles on this subject is on the rise, there is a shortage of papers containing detailed mathematical modeling of the distributed energy resources available in a microgrid. To address this gap, this paper presents in detail how to mathematically model resources such as battery energy storage systems, solar generation systems, directly controllable loads, load shedding, scheduled intentional islanding, and generation curtailment in the microgrid optimal sched

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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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Twaisan, Kumail, and Necaattin Barışçı. "Integrated Distributed Energy Resources (DER) and Microgrids: Modeling and Optimization of DERs." Electronics 11, no. 18 (2022): 2816. http://dx.doi.org/10.3390/electronics11182816.

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In the near future, the notion of integrating distributed energy resources (DERs) to build a microgrid will be extremely important. The DERs comprise several technologies, such as diesel engines, micro turbines, fuel cells, photovoltaic, small wind turbines, etc. The coordinated operation and control of DER together with controllable loads and storage devices, such as flywheels, energy capacitors and batteries, are central to the concept of microgrid. Microgrids can operate interconnected to the main distribution grid, or in an islanded mode. This paper reviews the studies on microgrid technol

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Singh, Shruti, and David Wenzhong Gao. "Improved Virtual Synchronous Generator Principle for Better Economic Dispatch and Stability in Grid-Connected Microgrids with Low Noise." Energies 16, no. 12 (2023): 4670. http://dx.doi.org/10.3390/en16124670.

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The proper operation of microgrids depends on Economic Dispatch. It satisfies all requirements while lowering the microgrids’ overall operating and generation costs. Since distributed generators constitute a large portion of microgrids, seamless communication between generators is essential. While guaranteeing a reliable microgrid operation, this should be achieved with the fewest losses as possible. The distributed generator technology introduces noise into the system by design. To find the best economic dispatch strategy, noise was considered in this research as a limitation in grid-connecte

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Vegunta, Sarat Chandra, Michael J. Higginson, Yashar E. Kenarangui, et al. "AC Microgrid Protection System Design Challenges—A Practical Experience." Energies 14, no. 7 (2021): 2016. http://dx.doi.org/10.3390/en14072016.

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Alternating current (AC) microgrids are the next step in the evolution of the electricity distribution systems. They can operate in a grid-tied or island mode. Depending on the services they are designed to offer, their grid-tied or island modes could have several sub-operational states and or topological configurations. Short-circuit current levels and protection requirements between different microgrid modes and configurations can vary significantly. Designing a microgrid’s protection system, therefore, requires a thorough understanding of all microgrid operational modes, configurations, tra

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Campo-Ossa, Daniel D., Enrique A. Sanabria-Torres, Jesus D. Vasquez-Plaza, Omar F. Rodriguez-Martinez, Oscar D. Garzon-Rivera, and Fabio Andrade. "Novel Rotated Virtual Synchronous Generator Control for Power-Sharing in Microgrids with Complex Line Impedance." Electronics 12, no. 10 (2023): 2156. http://dx.doi.org/10.3390/electronics12102156.

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Virtual synchronous generator (VSG) control is based on the fact that the line impedance in a microgrid is highly inductive. This assumption was made due to the emulation of the stator winding of an electrical machine. This concept can affect the controllability of a microgrid with complex line impedance, generating deviations in the chosen operation point. To overcome this issue, additional techniques must be implemented. This paper describes a novel mathematical approach that uses the power line characteristics in a microgrid to rotate the power control reference frame and proposes a new con

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9

Lanas, Fernando J., Francisco J. Martínez-Conde, Diego Alvarado, Rodrigo Moreno, Patricio Mendoza-Araya, and Guillermo Jiménez-Estévez. "Non-Strategic Capacity Withholding from Distributed Energy Storage within Microgrids Providing Energy and Reserve Services." Energies 13, no. 19 (2020): 5235. http://dx.doi.org/10.3390/en13195235.

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Microgrids have the potential to provide security and flexibility to power systems through the integration of a wide range of resources, including distributed energy storage, usually in the form of batteries. An aggregation of microgrids can enable the participation of these resources in the main system’s energy and ancillary services market. The traditional minimum-cost operation, however, can undermine microgrid’s ability to hold reserve capacity for operation in islanded mode and can rapidly degrade distributed batteries. This paper studies the impacts of various operational strategies from

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10

Marchand, Sophie, Cristian Monsalve, Thorsten Reimann, et al. "Microgrid Systems: Towards a Technical Performance Assessment Frame." Energies 14, no. 8 (2021): 2161. http://dx.doi.org/10.3390/en14082161.

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A microgrid is an independent power system that can be connected to the grid or operated in an islanded mode. This single grid entity is widely used for furthering access to energy and ensuring reliable energy supply. However, if islanded, microgrids do not benefit from the high inertia of the main grid and can be subject to high variations in terms of voltage and frequency, which challenge their stability. In addition, operability and interoperability requirements, standards as well as directives have addressed main concerns regarding a microgrid’s reliability, use of distributed local resour

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11

Villalón, Ariel, Marco Rivera, Yamisleydi Salgueiro, Javier Muñoz, Tomislav Dragičević, and Frede Blaabjerg. "Predictive Control for Microgrid Applications: A Review Study." Energies 13, no. 10 (2020): 2454. http://dx.doi.org/10.3390/en13102454.

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Microgrids need control and management at different levels to allow the inclusion of renewable energy sources. In this paper, a comprehensive literature review is presented to analyse the latest trends in research and development referring to the applications of predictive control in microgrids. As a result of this review, it was found that the application of predictive control techniques on microgrids is performed for the three control levels and with adaptations of the models in order to include uncertainties to improve their performance and dynamics response. In addition, to ensure system s

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Shezan, Sk A., Kazi Nazmul Hasan, Akhlaqur Rahman, Manoj Datta, and Ujjwal Datta. "Selection of Appropriate Dispatch Strategies for Effective Planning and Operation of a Microgrid." Energies 14, no. 21 (2021): 7217. http://dx.doi.org/10.3390/en14217217.

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The power system responsiveness may be improved by determining the ideal size of each component and performing a reliability analysis. This study evaluated the design and optimization of an islanded hybrid microgrid system with multiple dispatch algorithms. As the penetration of renewable power increases in microgrids, the importance and influence of efficient design and operation of islanded hybrid microgrids grow. The Kangaroo Island in South Australia served as the study’s test microgrid. The sizing of the Kangaroo Island hybrid microgrid system, which includes solar PV, wind, a diesel engi

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13

Huang, Jing, and Kui Wu. "Energy Optimal Scheduling Method of Microgrid with Wind and Solar Storage Based on Demand Response." Journal of Physics: Conference Series 2503, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1742-6596/2503/1/012017.

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Abstract In the operation of a microgrid with wind and light storage, energy dispatching will directly affect its operating cost, which is a core technology of microgrid operation. This paper designs an energy optimization method for a microgrid with wind and solar storage based on demand response to realizing more scientific micro-power energy scheduling. Considering the wind-solar storage microgrid’s lowest demand response cost and other comprehensive costs, an energy-optimal scheduling model of the wind-solar storage microgrid is constructed. The model sets the constraints of energy storage

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14

Nasare, Ruchita, Sakshi Garad, Sakshi Patil, and Nikita Besekar. "Fault Detection and Isolation ofDCMicro-Grid." April-May 2023, no. 33 (May 25, 2023): 31–39. http://dx.doi.org/10.55529/jeet.33.31.39.

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In a microgrid, faults can lead to voltage instability, which can produce voltage sags, swells, or even a full collapse of the voltage. This may result in electrical equipment damage and interfere with the microgrid's operation. Faults can also produce safety risks including fire, explosion, or electrocution, which can endanger employees and harm equipment. By isolating or shutting down the system when a malfunction is found, the danger of harm or injury is reduced. The purpose of fault isolation and detection in a DC microgrid is to guarantee the microgrid's dependability and safety. The micr

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Lv, Jiechao, Xiaoli Wang, Guishuo Wang, and Yuhou Song. "Research on Control Strategy of Isolated DC Microgrid Based on SOC of Energy Storage System." Electronics 10, no. 7 (2021): 834. http://dx.doi.org/10.3390/electronics10070834.

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With the rapid development of renewable energy technologies, islanded DC microgrids have received extensive attention in the field of distributed power generation due to their plug-and-play, flexible operation modes and convenient power conversion, and are likely to be one of the mainstream structures of microgrids in the future. The islanded DC microgrid contains multiple distributed power generation units. The battery energy storage system (BESS) is the main controlled unit used to smooth power fluctuations. The main parameter of concern is the state of charge (SOC). In order to maintain the

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Mehta, Sahil, and Prasenjit Basak. "A Novel Design, Economic Assessment, and Fuzzy-Based Technical Validation of an Islanded Microgrid: A Case Study on Load Model of Kibber Village in Himachal Pradesh." International Transactions on Electrical Energy Systems 2022 (November 10, 2022): 1–17. http://dx.doi.org/10.1155/2022/9639253.

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Rural and remote area electrification is of grave concern around the globe. Therefore, well-planned and cost-effective microgrids integrating renewable energy sources are emerging as effective solutions. However, the microgrid's stable operation and its future deployment is affected by the perturbations caused due to uncertainity in renewable sources, dependency on the battery state of charge, and load variation. So, considering the possible concerns affecting the planning and development of a microgrid for any given region, this paper proposes a comprehensive performance assessment of the hyb

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Zhao, Yuhao, Yixing Liu, Zhiheng Wu, Shouming Zhang, and Liang Zhang. "Improving Sparrow Search Algorithm for Optimal Operation Planning of Hydrogen–Electric Hybrid Microgrids Considering Demand Response." Symmetry 15, no. 4 (2023): 919. http://dx.doi.org/10.3390/sym15040919.

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Microgrid operation planning is crucial for ensuring the safe and efficient output of distributed energy resources (DERs) and stable operation of the microgrid power system. The integration of hydrogen fuel cells into microgrids can increase the absorption rate of renewable energy, while the incorporation of lithium batteries facilitates the adjustment of microgrid power supply voltage and frequency, ensuring the three-phase symmetry of the system. This paper proposes an economic scheduling method for a grid-connected microgrid that considers demand response and combines hydrogen and electrici

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El Gohary, Fouad, Sofie Nyström, Lizette Reitsma, and Cajsa Bartusch. "Identifying Challenges in Engaging Users to Increase Self-Consumption of Electricity in Microgrids." Energies 14, no. 5 (2021): 1257. http://dx.doi.org/10.3390/en14051257.

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A microgrid’s self-consumption rate reflects its ability to retain its own energy and decrease its reliance on the synchronous grid. This paper investigates the empirical case of a microgrid equipped with photovoltaic (PV) panels and identifies challenges in engaging the microgrid’s users to increase their self-consumption. Accordingly, we explored both the physical and social dimensions of the microgrid. The former involved mapping the electricity consumption and production through an exploratory data analysis, and evaluating the associated price signals, while the latter involved the use of

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Takano, Hirotaka, Ryota Goto, Ryosuke Hayashi, and Hiroshi Asano. "Optimization Method for Operation Schedule of Microgrids Considering Uncertainty in Available Data." Energies 14, no. 9 (2021): 2487. http://dx.doi.org/10.3390/en14092487.

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Operation scheduling in electric power grids is one of the most practical optimization problems as it sets a target for the efficient management of the electric power supply and demand. Advancement of a method to solve this issue is crucially required, especially in microgrids. This is because the operational capability of microgrids is generally lower than that of conventional bulk power grids, and therefore, it is extremely important to develop an appropriate, coordinated operation schedule of the microgrid components. Although various techniques have been developed to solve the problem, the

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Purushotham, K. "Design and Implementation of Electric Vehicle Technology by Using ANN Controller." International Journal for Research in Applied Science and Engineering Technology 10, no. 1 (2022): 1376–87. http://dx.doi.org/10.22214/ijraset.2022.40065.

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Abstract: It is possible to utilise EVs as both a load and provider of energy using the Vehicle-to-Grid (V2G) approach (or Gridto-Vehicle technique if EVs are used as a load). With this technology, industrial microgrids may have voltage and power flow regulation and congestion management. An no of electric vehicles with a variety of charging profiles, battery states of charge and electric vehicle counts may benefit from two separate controllers (grid regulation and charger controller), according to the controllers, It is possible to regulate the main power flow and voltage drop in an industria

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Charalambous, Anastasis, Lenos Hadjidemetriou, Lazaros Zacharia, et al. "Phase Balancing and Reactive Power Support Services for Microgrids." Applied Sciences 9, no. 23 (2019): 5067. http://dx.doi.org/10.3390/app9235067.

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Alternating current (AC) microgrids are expected to operate as active components within smart distribution grids in the near future. The high penetration of intermittent renewable energy sources and the rapid electrification of the thermal and transportation sectors pose serious challenges that must be addressed by modern distribution system operators. Hence, new solutions should be developed to overcome these issues. Microgrids can be considered as a great candidate for the provision of ancillary services since they are more flexible to coordinate their distributed generation sources and thei

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Ahmadi, Hamed, Qobad Shafiee, and Hassan Bevrani. "Dynamic modeling and transient stability analysis of distributed generators in a microgrid system." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 5 (2021): 3692. http://dx.doi.org/10.11591/ijece.v11i5.pp3692-3703.

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Increasing the penetration level of distributed generation units as well as power electronic devices adds more complexity and variability to the dynamic behaviour of the microgrids. For such systems, studying the transient modelling and stability is essential. One of the major disadvantages of most studies on microgrid modelling is their excessive attention to the steady state period and the lack of attention to microgrid performance during the transient period. In most of the research works, the behaviour of different microgrid loads has not been studied. One of the mechanisms of power system

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Mohan, Harin M., and Santanu Kumar Dash. "Renewable Energy-Based DC Microgrid with Hybrid Energy Management System Supporting Electric Vehicle Charging System." Systems 11, no. 6 (2023): 273. http://dx.doi.org/10.3390/systems11060273.

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Growing Electric vehicle (EV) ownership leads to an increase in charging stations, which raises load demand and causes grid outages during peak hours. Microgrids can significantly resolve these issues in the electrical distribution system by implementing an effective energy management approach. The suggested hybrid optimization approach aims to provide constant power regardless of the generation discrepancy and should prevent the early deterioration of the storage devices. This study suggests using a dynamic control system based on the Fuzzy-Sparrow Search Algorithm (SSA) to provide a reliable

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Sidea, Dorian O., Andrei M. Tudose, Irina I. Picioroaga, and Constantin Bulac. "Two-Stage Optimal Active-Reactive Power Coordination for Microgrids with High Renewable Sources Penetration and Electrical Vehicles Based on Improved Sine−Cosine Algorithm." Mathematics 11, no. 1 (2022): 45. http://dx.doi.org/10.3390/math11010045.

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As current global trends aim at the large-scale insertion of electric vehicles as a replacement for conventional vehicles, new challenges occur in terms of the stable operation of electric distribution networks. Microgrids have become reliable solutions for integrating renewable energy sources, such as solar and wind, and are considered a suitable alternative for accommodating the growing fleet of electrical vehicles. However, efficient management of all equipment within a microgrid requires complex solving algorithms. In this article, a novel two-stage scheme is proposed for the optimal coord

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Lasabi, Olanrewaju, Andrew Swanson, Leigh Jarvis, Anuoluwapo Aluko, and Matthew Brown. "Enhanced Distributed Non-Linear Voltage Regulation and Power Apportion Technique for an Islanded DC Microgrid." Applied Sciences 13, no. 15 (2023): 8659. http://dx.doi.org/10.3390/app13158659.

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There is a growing focus on exploring direct current (DC) microgrids in traditional power grids. A key challenge in operating these microgrids is ensuring proper current distribution among converters. While conventional droop control has been used to address this issue, it requires compensating for voltage deviations in the DC bus. This paper introduces an innovative distributed secondary control approach that effectively addresses both voltage restoration and current sharing challenges within a standalone DC microgrid. The distributed secondary control proposed in this study is integrated int

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Venkata Pavan Kumar, Yellapragada, Sivakavi Naga Venkata Bramareswara Rao, and Ramani Kannan. "Islanding Detection in Grid-Connected Urban Community Multi-Microgrid Clusters Using Decision-Tree-Based Fuzzy Logic Controller for Improved Transient Response." Urban Science 7, no. 3 (2023): 72. http://dx.doi.org/10.3390/urbansci7030072.

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The development of renewable-energy-based microgrids is being considered as a potential solution to lessen the unrelenting burden on the centralized utility grid. Furthermore, recent studies reveal that integrated multi-microgrid cluster systems developed in urban communities maximize the effectiveness of microgrids and greatly decrease the utility grid dependence. However, due to the uncertain nature of renewable energy sources and frequent load variations, these systems face issues with unintentional islanding operations. This can create severe damage to the microgrid’s performance in its st

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Micallef, Alexander, Josep M. Guerrero, and Juan C. Vasquez. "New Horizons for Microgrids: From Rural Electrification to Space Applications." Energies 16, no. 4 (2023): 1966. http://dx.doi.org/10.3390/en16041966.

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The microgrid concept has evolved from the humble origins of simple remote electrification applications in rural environments to complex architectures. Microgrids are key enablers to the integration of higher penetrations of renewables in the energy sector (including electricity, heating, cooling, transport and industry). In addition to the local energy sources, energy storage systems and loads, the modern microgrid encompasses sophisticated energy and power management systems, peer-to-peer energy markets and digital technologies to support this energy transition. The microgrid concept has rec

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El Zerk, Abdallah, and Mohammed Ouassaid. "Real-Time Fuzzy Logic Based Energy Management System for Microgrid Using Hardware in the Loop." Energies 16, no. 5 (2023): 2244. http://dx.doi.org/10.3390/en16052244.

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This research presents a hierarchical energy management strategy for isolated microgrids (MG). The strategy’s objectives are achieved through a master-slave topology where local controllers are managed and controlled through a central controller. This can provide many technical advantages, particularly regarding the microgrid’s performance and the supply of energy. The local controller is designed to meet the local objectives of the microgrid, such as stabilization of DC voltage and maximization of sources’ extracted power. The objectives of the central controller are achieved through a centra

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Sampath Ediriweera, W. E. P., and N. W. A. Lidula. "Design and protection of microgrid clusters: A comprehensive review." AIMS Energy 10, no. 3 (2022): 375–411. http://dx.doi.org/10.3934/energy.2022020.

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<abstract> <p>A microgrid is a concept that has been developed with the increasing penetration of distributed generators. With the increasing penetration of distributed energy resources in the microgrids, along with advanced control and communication technologies, the traditional microgrid concept is being transited towards the concept of microgrid clustering. It decomposes the distribution system into several interconnected microgrids, effectively reducing problems such as voltage rise, harmonics, poor power factor, reverse power flow and failure of the conventional protection sch

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Yang, Da Wei, Jian Hua Yang, Fei Lin, Jian Su, and Hai Tao Liu. "Application and Selection to AC and DC Voltage Grades for Microgrids." Advanced Materials Research 791-793 (September 2013): 1876–79. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.1876.

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Distributed resources and microgrids may be designed for power supply in some area. AC-DC or DC-AC conversions are required in microgrids because of DC distributed resources, e.g. photovoltaic arrays. In this paper some factors are considered for determining the voltage grades of microgrids, both AC grid and DC grid, according to comprehensive analysis of microgrid design and operation. The factors include microgrid or distributed resource capacity, efficiency, cost, safety and so on. The line length, microgrid capacity and economic impacts are taken into account for selecting the voltage grad

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Wu, Xiong, Shuo Shi, and Zhao Wang. "Microgrid Planning Considering the Supply Adequacy of Critical Loads under the Uncertain Formation of Sub-Microgrids." Sustainability 11, no. 17 (2019): 4683. http://dx.doi.org/10.3390/su11174683.

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A microgrid can be partitioned into several autonomous sub-microgrids in case of multiple faults in natural disasters. How to guarantee the supply adequacy of critical loads in sub-microgrids is a problem that should be considered at the planning stage. This paper proposes a microgrid planning model considering the supply adequacy of critical loads under the uncertain formation of sub-microgrids. The proposed model minimizes the total cost during the project life, which includes the construction cost and operation cost for the candidate distributed energy resources (DERs). The supply adequacy

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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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Nazia, S. B., and A. Satish Babu. "An Advanced Control and Stability Analysis of Wind Solar Integrated Microgrid." Journal of Energy Engineering and Thermodynamics, no. 32 (February 2, 2023): 1–11. http://dx.doi.org/10.55529/jeet32.1.11.

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In this article, we suggest a micro-grid methodology based on renewable energy sources (RES) in order to make more efficient use of renewable energy sources and use less energy from the traditional power grid. Off-grid, RES likes solar (generated by a photovoltaic panel) and wind can be stored in a battery and utilised to power loads. As an additional measure, a Fuzzy logic-based energy-saving method has been applied. Microgrids are used to integrate these systems in a decentralised fashion, and they provide a suite of technology solutions that facilitate communication between end users and di

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Nazia, S. B., and A. Satish Babu. "An Advanced Control and Stability Analysis of Wind Solar Integrated Microgrid." Journal of Energy Engineering and Thermodynamics, no. 32 (February 2, 2023): 1–11. http://dx.doi.org/10.55529/jeet.32.1.11.

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In this article, we suggest a micro-grid methodology based on renewable energy sources (RES) in order to make more efficient use of renewable energy sources and use less energy from the traditional power grid. Off-grid, RES likes solar (generated by a photovoltaic panel) and wind can be stored in a battery and utilised to power loads. As an additional measure, a Fuzzy logic-based energy-saving method has been applied. Microgrids are used to integrate these systems in a decentralised fashion, and they provide a suite of technology solutions that facilitate communication between end users and di

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Xu, Deng, and Yong Long. "The Impact of Government Subsidy on Renewable Microgrid Investment Considering Double Externalities." Sustainability 11, no. 11 (2019): 3168. http://dx.doi.org/10.3390/su11113168.

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Since microgrids require public support to make economic sense, governments regularly subsidize renewable microgrids to increase their renewable energy market penetration. In this study, we investigated the optimal subsidy level for governments to correct the market failure of microgrids and analyzed the impacts of regulation on the interaction between a microgrid and a distribution network operator (DNO). Specifically, we proposed economic rationales for government subsidies for microgrids regarding public interest benefits in relation to double externalities (learning spillover effect and en

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Marcus Soares Callegari, João, Wanderson F. de Souza, Danilo Iglesias Brandão, Thiago R. Oliveira, and Braz de Jesus Cardoso Filho. "The UFMG Microgrid Laboratory: A testbed for advanced microgrids." Eletrônica de Potência 28, no. 2 (2023): 163–73. http://dx.doi.org/10.18618/rep.2023.2.0043.

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Lei, Bingyin, Yue Ren, Huiyu Luan, et al. "A Review of Optimization for System Reliability of Microgrid." Mathematics 11, no. 4 (2023): 822. http://dx.doi.org/10.3390/math11040822.

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Clean and renewable energy is the only way to achieve sustainable energy development, with considerable social and economic benefits. As a key technology for clean and renewable energy, it is very important to research the reliability optimization of microgrids. This paper reviews the research progress in microgrid reliability optimization. This paper first classifies and summarizes the existing research on microgrid control strategies and reliability assessment. Then, the system reliability optimization framework is summarized in terms of both microgrid systems and optimization objectives. Ne

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Xingli and Ning. "Multi-Agent Consensus Algorithm-Based Optimal Power Dispatch for Islanded Multi-Microgrids." Processes 7, no. 10 (2019): 679. http://dx.doi.org/10.3390/pr7100679.

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Islanded multi-microgrids formed by interconnections of microgrids will be conducive to the improvement of system economic efficiency and supply reliability. Due to the lack of support from a main grid, the requirement of real-time power balance of the islanded multi-microgrid is relatively high. In order to solve real-time dispatch problems in an island multi-microgrid system, a real-time cooperative power dispatch framework is proposed by using the multi-agent consensus algorithm. On this basis, a regulation cost model for the microgrid is developed. Then a consensus algorithm of power dispa

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Huang, Xiu Qiong, Da Wei Yang, Jian Hua Yang, et al. "Analysis and Study on Microgrid Planning Based IEEE 1547." Applied Mechanics and Materials 260-261 (December 2012): 587–92. http://dx.doi.org/10.4028/www.scientific.net/amm.260-261.587.

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Distributed resources and microgrids may be designed for power supply in some rural areas. Basic design requirements based IEEE 1547 and optimal plan methods of the microgrids are focused in this paper. Some technical specifications and requirements to design and plan the microgrids are introduced. An optimal plan model is discussed to provide the size of a hybrid, renewable energy generation based the microgrid with the goal of minimizing the lifecycle cost while satisfying the required capacity shortage probability of power supply. The conception and the configuration of a microgrid cluster

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Omar, Rohaizan, and Mohd Kamal Mohd Shah. "ASSESSING FEASIBILITY STUDIES ON SMART MICROGRID SYSTEMS: A GLOBAL REVIEW AND METHODOLOGICAL COMPARISON FOR IMPLEMENTING MICROGRIDS IN MALAYSIA." International Journal of Innovation and Industrial Revolution 5, no. 13 (2023): 20–27. http://dx.doi.org/10.35631/ijirev.513003.

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This paper serves as a comprehensive review of past feasibility studies conducted worldwide on smart microgrid systems. The primary focus of microgrids lies in the generation of electricity using micro sources, such as micro-hydro, photovoltaic, or biomass gasifiers. These generated power is then distributed through low voltage networks, catering to a relatively small number of consumers. Malaysia, owing to its geographical location, possesses abundant renewable resources, making it highly suitable for the implementation of microgrids. The adoption of microgrids in Malaysia holds significant p

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Armghan, Ammar, Muhammad Kashif Azeem, Hammad Armghan, Ming Yang, Fayadh Alenezi, and Mudasser Hassan. "Dynamical Operation Based Robust Nonlinear Control of DC Microgrid Considering Renewable Energy Integration." Energies 14, no. 13 (2021): 3988. http://dx.doi.org/10.3390/en14133988.

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The importance of microgrids has been acknowledged with the increasing amount of research in direct current (DC) microgrids. The main reason for this is the straightforward structure and efficient performance. In this research article, double integral sliding mode controllers (DISMCs) have been proposed for energy harvesting and DC microgrid management involving renewable sources and a hybrid energy storage system (HESS). DISMC offers a better dynamic response and reduced amount of chattering than the traditional sliding mode controllers. In the first stage, the state differential model for th

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Zhao and Wang. "Comprehensive Evaluation of AC/DC Hybrid Microgrid Planning Based on Analytic Hierarchy Process and Entropy Weight Method." Applied Sciences 9, no. 18 (2019): 3843. http://dx.doi.org/10.3390/app9183843.

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The comprehensive evaluation of AC/DC hybrid microgrid planning can provide reference for the planning of AC/DC hybrid microgrids. This is conducive to the realization of reasonable and effective microgrid planning. Aiming at comprehensive evaluation of AC/DC hybrid microgrids, this paper establishes an evaluation index system for planning of AC/DC hybrid microgrids. This paper combines the subjective evaluation method with the objective evaluation method, and proposes a comprehensive evaluation method of AC/DC hybrid microgrid planning based on analytic hierarchy process and the entropy weigh

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Abdulkarim, Abubakar, Nasir Faruk, A. O. Oloyode, et al. "State of the Art in Research on Optimum Design, Reliability and Control of Renewable Energy Microgrids." ELEKTRIKA- Journal of Electrical Engineering 17, no. 3 (2018): 23–35. http://dx.doi.org/10.11113/elektrika.v17n3.84.

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This paper has presented a comprehensive review in the area of microgrid from the design to implementation. The aim is to evaluate the current status, problems and research efforts toward realising functional microgrids in the power system. The expectations about microgrid are many; therefore the study is divided into three main sections. Recent advancements in the wind energy, solar energy and their future prediction are summarised. States of arts in optimum design of renewable energy microgrid are also investigated. In addition, critical literature review in the reliability analysis of micro

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Yan, Mengxuan, Dongxiao Wang, Chun Sing Lai, and Loi Lei Lai. "A Review on Thermal Energy Modelling for Optimal Microgrids Management." Thermo 1, no. 1 (2021): 63–76. http://dx.doi.org/10.3390/thermo1010006.

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Microgrids have become increasingly popular in recent years due to technological improvements, growing recognition of their benefits, and diminishing costs. By clustering distributed energy resources, microgrids can effectively integrate renewable energy resources in distribution networks and satisfy end-user demands, thus playing a critical role in transforming the existing power grid to a future smart grid. There are many existing research and review works on microgrids. However, the thermal energy modelling in optimal microgrid management is seldom discussed in the current literature. To ad

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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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Lee, Seongwoo, Joonho Seon, Chanuk Kyeong, Soohyun Kim, Youngghyu Sun, and Jinyoung Kim. "Novel Energy Trading System Based on Deep-Reinforcement Learning in Microgrids." Energies 14, no. 17 (2021): 5515. http://dx.doi.org/10.3390/en14175515.

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Inefficiencies in energy trading systems of microgrids are mainly caused by uncertainty in non-stationary operating environments. The problem of uncertainty can be mitigated by analyzing patterns of primary operation parameters and their corresponding actions. In this paper, a novel energy trading system based on a double deep Q-networks (DDQN) algorithm and a double Kelly strategy is proposed for improving profits while reducing dependence on the main grid in the microgrid systems. The DDQN algorithm is proposed in order to select optimized action for improving energy transactions. Additional

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Zhao, Ensheng, Yang Han, Hao Zeng, et al. "Accurate Peer-to-Peer Hierarchical Control Method for Hybrid DC Microgrid Clusters." Energies 16, no. 1 (2022): 421. http://dx.doi.org/10.3390/en16010421.

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Hybrid DC microgrid clusters contain various types of converters such as BOOST, BUCK, and bidirectional DC/DC converters, making the control strategy complex and difficult to achieve plug-and-play. The common master–slave hierarchical control strategy makes it difficult to achieve accurate and stable system control. This paper proposes an accurate peer-to-peer hierarchical control method for the hybrid DC microgrid cluster, and the working principle of this hierarchical control method is analyzed in detail. The microgrid cluster consists of three sub-microgrids, where sub-microgrid A consists

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Bhunia, Ankan, Prof Lini Mathew, and Prof Shimi S. L. "Various types of Voltage Stability Control Techniques of DC Microgrid: A Comparative Analysis." International Journal for Research in Applied Science and Engineering Technology 11, no. 7 (2023): 1336–42. http://dx.doi.org/10.22214/ijraset.2023.54867.

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Abstract: This article presents a survey of control systems, steadiness, and adjustment procedures for DC microgrids (MG). A DC microgrid is getting huge consideration all over the planet because of the improvement of different DC loads, expanded efficiency, and progressions in power electronics devices. Developing worldwide worry over a dangerous atmospheric deviation and non-renewable energy sources (NRES) decrease and raised the requirement for perfect and green renewable energy sources (RES) for power generation through the Micro-Grid impression. DC Micro-Grid can be associated with the fu

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Muqeet, Hafiz Abdul, Haseeb Javed, Muhammad Naveed Akhter, et al. "Sustainable Solutions for Advanced Energy Management System of Campus Microgrids: Model Opportunities and Future Challenges." Sensors 22, no. 6 (2022): 2345. http://dx.doi.org/10.3390/s22062345.

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Distributed generation connected with AC, DC, or hybrid loads and energy storage systems is known as a microgrid. Campus microgrids are an important load type. A university campus microgrids, usually, contains distributed generation resources, energy storage, and electric vehicles. The main aim of the microgrid is to provide sustainable, economical energy, and a reliable system. The advanced energy management system (AEMS) provides a smooth energy flow to the microgrid. Over the last few years, many studies were carried out to review various aspects such as energy sustainability, demand respon

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García-Ceballos, C., S. Pérez-Londoño, and J. Mora-Flórez. "Iterative Approach for Tuning Multiple Converter-Integrated DER in Microgrids." International Transactions on Electrical Energy Systems 2022 (April 11, 2022): 1–15. http://dx.doi.org/10.1155/2022/1394096.

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This paper proposes an iterative approach to adjust the control parameters of multiple power converters within a microgrid, which operates in grid-connected and grid-islanded modes. The adequate control parameters are determined using an optimisation-based strategy, local measurements, and results obtained in previous algorithm iterations. The proposed objective function is based on the integral time-weighted absolute error (ITAE), modified to improve the microgrid control performance. The proposed approach addresses the control tuning complexity by considering an incremental strategy, startin

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