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Artykuły w czasopismach na temat „HYBRID AC DC MICROGRID”

Autor: Grafiati

Data publikacji: 11 września 2023

Data aktualizacji: 25 lipca 2025

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1

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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Mude, Nanda R., and Pukhraj Soni. "A Systematic Review of Resilience Strategies in Active Distribution Networks." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 07 (2025): 1–9. https://doi.org/10.55041/ijsrem51381.

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- This paper presents a comprehensive review of microgrid architectures and the control strategies employed for various power converters. A microgrid can be described as an integrated system comprising distributed energy resources (DERs), energy storage units, and electrical loads. This innovative framework harnesses the capabilities of distributed generation technologies. In an AC microgrid, alternating current-based sources such as wind turbines are integrated along with DC-based sources like photovoltaic systems and fuel cells through inverters. Conversely, in a DC microgrid, AC sources mus

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3

Zaman, Md Rakibur, Sudip Sarker, Md Abdul Halim, Salah Ibrahim, and Abrarul Haque. "A Comprehensive Review of Techno-Economic Perspective of AC/DC Hybrid Microgrid." Control Systems and Optimization Letters 2, no. 1 (2024): 36–42. http://dx.doi.org/10.59247/csol.v2i1.72.

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The main objective of this research is to review the techno-economic aspects of AC/DC hybrid microgrid. This review has been done by scrutinizing the essential constituents of both AC and DC microgrids, accentuating their corresponding benefits and constraints. The benefits and reasons for integrating AC and DC technology in a hybrid microgrid setting are then covered. From a technological standpoint, the study addresses Renewable Energy Integration, Power Electronic Converters, Energy Storage Systems, Control and Energy Management system and Grid Synchronization. This can lead to a reduction

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4

Jadidi, Saeedreza, Hamed Badihi, and Youmin Zhang. "Passive Fault-Tolerant Control Strategies for Power Converter in a Hybrid Microgrid." Energies 13, no. 21 (2020): 5625. http://dx.doi.org/10.3390/en13215625.

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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. Given the importance of such converters in AC/DC microgrids, this paper investigates the design of fault-tolerant control for AC/DC PWM converters in the presence of microgrid faults. In particular, two novel fault-tolerant schemes based on fuzzy logic and model predictive control are proposed and implemented in an advanced hybrid microgrid benchmark in MATLAB/Simulink environment. The c

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5

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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6

Xuan Hoa Thi Pham, Hien-Thanh Le, and Hai Van Tran. "Improved Controller for Interlinking Converter in Hybrid AC/DC Microgrids." Journal of Technical Education Science 19, no. 06 (2024): 95–105. https://doi.org/10.54644/jte.2024.1719.

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The AC/DC hybrid microgrids are a feasible solution to provide both AC and DC power to electrical equipment. However, the control problem to maintain voltage and frequency stability in AC/DC hybrid microgrids is essential. This paper proposes a control method for the converter to maintain voltage and frequency stability for AC/DC hybrid microgrids. The power converter will operate bidirectionally to transfer power back and forth between AC and DC subgrids in the AC/DC hybrid microgrid operating in standalone mode. The proposed control method not only controls the bidirectional power flow betwe

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7

Pan, Hao, Ming Ding, Rui Bi, and Lei Sun. "Research on Cooperative Planning of Distributed Generation Access to AC/DC Distribution (Micro) Grids Based on Analytical Target Cascading." Energies 12, no. 10 (2019): 1847. http://dx.doi.org/10.3390/en12101847.

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With the wide application of distributed generation (DG) and the rapid development of alternating current/direct current (AC/DC) hybrid microgrids, the optimal planning of distributed generation connecting to AC/DC distribution networks/microgrids has become an urgent problem to resolve. This paper presents a collaborative planning method for distributed generation access to AC/DC distribution (micro) grids. Based on the grid structure of the AC/DC distribution network, the typical interconnection structure of the AC/DC hybrid microgrid and AC/DC distribution network is designed. The optimal a

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8

Chang, Fangyuan, John O’Donnell, and Wencong Su. "Voltage Stability Assessment of AC/DC Hybrid Microgrid." Energies 16, no. 1 (2022): 399. http://dx.doi.org/10.3390/en16010399.

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AC/DC hybrid microgrids are becoming potentially more attractive due to the proliferation of renewable energy sources, such as photovoltaic generation, battery energy storage systems, and wind turbines. The collaboration of AC sub-microgrids and DC sub-microgrids improves operational efficiency when multiple types of power generators and loads coexist at the power distribution level. However, the voltage stability analysis and software validation of AC/DC hybrid microgrids is a critical concern, especially with the increasing adoption of power electronic devices and various types of power gene

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9

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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10

Nallolla, Chinna Alluraiah, Vijayapriya P, Dhanamjayulu Chittathuru, and Sanjeevikumar Padmanaban. "Multi-Objective Optimization Algorithms for a Hybrid AC/DC Microgrid Using RES: A Comprehensive Review." Electronics 12, no. 4 (2023): 1062. http://dx.doi.org/10.3390/electronics12041062.

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Optimization methods for a hybrid microgrid system that integrated renewable energy sources (RES) and supplies reliable power to remote areas, were considered in order to overcome the intermittent nature of RESs. The hybrid AC/DC microgrid system was constructed with a solar photovoltaic system, wind turbine, battery storage, converter, and diesel generator. There is a steady increase in the utilization of hybrid renewable energy sources with hybrid AC/DC microgrids; consequently, it is necessary to solve optimization techniques. Therefore, the present study proposed utilizing multi-objective

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11

Widagdo, Reza Sarwo, Aris Heri Andriawan, and Ratna Hartayu. "Harmonic Mitigation in Microgrid to Improve Power Quality." Jurnal Teknologi Elektro 15, no. 1 (2024): 11. http://dx.doi.org/10.22441/jte.2024.v15i1.003.

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Microgrids are a technology that is developing quite rapidly and is attracting world attention in facing the energy and pollution crisis. There are three types of microgrid structures: AC, DC, and AC-DC hybrid microgrid. Because it consists of an AC bus and a DC bus, AC-DC hybrid microgrids can connect more types of Distributed Generation (DG) and have smaller converter losses, making it more economical and reliable than other types of microgrids. Due to the use of nonlinear devices, harmonic distortion in microgrids is a problem that needs to be solved. In this research, the AC-DC hybrid micr

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12

Zeinoddini-Meymand, Hamed, Reza Safipour, and Farhad Namdari. "A Novel Management Approach for Optimal Operation of Hybrid AC-DC Microgrid in the Presence of Wind and Load Uncertainties." Systems 13, no. 4 (2025): 233. https://doi.org/10.3390/systems13040233.

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: The optimal operation of a hybrid AC-DC microgrid is investigated in this study. The operation of an AC microgrid connected to the main grid and an islanded DC microgrid has been examined under three management approaches. In the first approach, two microgrids are not connected, and the DC microgrid is operated in the islanded mode. In the second and third approaches, AC and DC microgrids are connected. The main difference between these two approaches is the energy management framework. In the second approach, each microgrid has its own management system, while the third approach integrates

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13

Bakeer, Abualkasim, Andrii Chub, Abderahmane Abid, Sherif A. Zaid, Thamer A. H. Alghamdi, and Hossam S. Salama. "Enhancing Grid-Forming Converters Control in Hybrid AC/DC Microgrids Using Bidirectional Virtual Inertia Support." Processes 12, no. 1 (2024): 139. http://dx.doi.org/10.3390/pr12010139.

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This paper presents a new grid-forming strategy for hybrid AC/DC microgrids using bidirectional virtual inertia support designed to address weak grid conditions. The stability of hybrid AC/DC microgrids heavily relies on the AC mains frequency and the DC-link voltage, and deviations in these factors can lead to undesirable outcomes such as load curtailments and power system congestions and blackouts. This paper introduces a unique approach that leverages bidirectional virtual inertia support to enhance the stability and reliability of hybrid AC/DC microgrids under weak grid conditions. The pro

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14

Cendoya, Marcelo G., Juan I. Talpone, Paul F. Puleston, Jose A. Barrado-Rodrigo, Luis Martinez-Salamero, and Pedro E. Battaiotto. "Management of a Dual-Bus AC+DC Microgrid Based on a Wind Turbine with Double Stator Induction Generator." WSEAS TRANSACTIONS ON POWER SYSTEMS 16 (December 22, 2021): 297–307. http://dx.doi.org/10.37394/232016.2021.16.30.

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The topology and management of a sustainable dual-bus, AC and DC, microgrid designed to operate connected to a weak grid is presented. AC+DC hybrid microgrids are a robust and cost-competitive solution for poorly connected areas, as can be found in rural or island electrification. The versatile microgrid proposed in this work is developed around a wind turbine based on a particular induction generator with double stator winding and squirrel cage rotor (DWIG). This singular generator is especially suitable for a combined AC+DC coupled microgrid application. One of its stator windings is coupled

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15

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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16

Rezaei, Omid, Omid Mirzapour, Mohammad Panahazari, and Hassan Gholami. "Hybrid AC/DC Provisional Microgrid Planning Model Considering Converter Aging." Electricity 3, no. 2 (2022): 236–50. http://dx.doi.org/10.3390/electricity3020014.

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Renewable energy deployment through distributed energy resources is among the central goals of future power systems. Microgrids have proven to be an economically viable solution for distributed energy resources’ integration into the power system and benefits customers with uninterrupted power supply. In this context, provisional microgrids have been introduced with the main goal of rapid renewable energy resource deployment. Since a considerable portion of renewable energy resources, as well as residential loads, are DC, and this portion is expected to grow even further, hybrid AC/DC design of

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17

Chen, Hao, Yi Lin, and Chuangxin Guo. "Multi-time Optimal Dispatch of AC-DC Hybrid Microgrid with Spatiotemporal Discrepancy." Journal of Physics: Conference Series 2662, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2662/1/012012.

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Abstract AC-DC hybrid microgrid with high permeability of renewable energy and its special system structure poses a challenge to the rational dispatch of AC-DC hybrid microgrid. To solve the problem, a multi-time period stochastic optimization of AC-DC hybrid microgrid scheduling strategy is proposed in this paper, which considers spatiotemporal differences. In the day-ahead optimal stage, the comprehensive consideration of the operating costs and characteristics of each distributional unit and bidirectional AC/DC power converter in the microgrid, a backup plan is developed to cope with the un

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18

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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19

Lotfi, Hossein, and Amin Khodaei. "Hybrid AC/DC microgrid planning." Energy 118 (January 2017): 37–46. http://dx.doi.org/10.1016/j.energy.2016.12.015.

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20

Wang, Hongjun, Wanfeng Li, Youjun Yue, and Hui Zhao. "Distributed Economic Control for AC/DC Hybrid Microgrid." Electronics 11, no. 1 (2021): 13. http://dx.doi.org/10.3390/electronics11010013.

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In this paper, a new double-layer droop control mode for island AC/DC microgrids is proposed to realize autonomous and cost-effective operation. The optimal power reference iterative algorithm is used to realize the internal active power distribution in the subnet. On this basis, secondary frequency and voltage adjustments are introduced to realize the economic operation, autonomy and stability of the subnet. At the microgrid level, the local control strategy of cost micro increment deviation is designed to optimize the exchange power between subnets. The cooperation of the two can realize the

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21

Gupta, Shruti, Dr Malaya S. Das, and Dr Anuprita Mishra. "Modeling and Simulation of Hybrid Wind/Photovoltaic for Improvement of Reliability of The DC Microgrid." SMART MOVES JOURNAL IJOSCIENCE 4, no. 8 (2018): 1–7. http://dx.doi.org/10.24113/ijoscience.v4i8.154.

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This paper presents modeling and simulation of an autonomous DC microgrid in Matlab Simulink environment. The proposed microgrid system consists of a wind turbine, solar PV array ac grid and DC loads. The wind turbine &Ac grid is interfaced to the microgrid with a rectifier and a buck converter which are controlled to maintain a constant DC bus voltage. While the PV array is connected via a boost converter which extracts maximum power from the circuit. the microgrid system also consists of a Energy Storage System (ESS) which is connected via a bidirectional buck-boost converter. The overal

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22

Shan, Yinghao, Liqian Ma, and Xiangkai Yu. "Hierarchical Control and Economic Optimization of Microgrids Considering the Randomness of Power Generation and Load Demand." Energies 16, no. 14 (2023): 5503. http://dx.doi.org/10.3390/en16145503.

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Hierarchical control has emerged as the main method for controlling hybrid microgrids. This paper presents a model of a hybrid microgrid that comprises both AC and DC subgrids, followed by the design of a three-layered control method. An economic objective function is then constructed to account for the uncertainty of power generation and load demand, and the optimal power guidance value is determined using the particle swarm optimization algorithm. The optimized power output is subsequently used to guide the tertiary control in the microgrid, mitigating potential safety and stability issues.

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Liu, Hanmin, Zhenyu Wang, Shouxiang Wang, et al. "Two Level Control Strategy for Independent AC/DC Hybrid Microgrid Based on Integrated Control." E3S Web of Conferences 256 (2021): 02039. http://dx.doi.org/10.1051/e3sconf/202125602039.

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Aiming at the independent AC/DC microgrid, a simple and effective multi time scale control strategy is proposed by adopting the combination of day ahead scheduling and real-time control. The day ahead scheduling strategy takes the minimum operation cost of AC/DC microgrid as the goal, and schedules the controllable loads in the AC/DC microgrid with particle swarm optimization, which makes full use of renewable energy. The real-time control strategy controls the output of the distributed generation, the load reduction and the switching of the diesel generator according to the real-time energy s

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Gai, Xinnan, Yali Wang, Renliang Chen, and Liang Zou. "Research on Hybrid Microgrid Based on Simultaneous AC and DC Distribution Network and Its Power Router." Energies 12, no. 6 (2019): 1077. http://dx.doi.org/10.3390/en12061077.

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Under the dual pressure of environmental pollution and energy crisis, the global energy consumption structure reform deepens unceasingly and the concept of energy internet has developed rapidly. The widespread volatility, randomness, and uncertainty of distributed new energy generation impose new requirements on distribution systems. The zigzag transformer is used as the coupling and isolating device for simultaneous AC–DC transmission. The basic principle and structure of simultaneous AC–DC power distribution network is analyzed. The topology structure of the simultaneous AC–DC hybrid microgr

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Wang, Zonghao, and Liying Sun. "Design of voltage stabilizing control for a hybrid microgrid with state constraints based on the switching system." Journal of Physics: Conference Series 2474, no. 1 (2023): 012067. http://dx.doi.org/10.1088/1742-6596/2474/1/012067.

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Abstract With the application and development of new energy generation technology and distributed power supply system, AC-DC hybrid microgrid has the comprehensive advantages of AC microgrid and DC microgrid, and it is significant to study the voltage stability of hybrid microgrid. Based on the switching system theory, the voltage stability control of the ac-dc hybrid micro-grid in grid-connected and the off-grid operation mode are studied in this paper. Considering that the AC and DC bus voltages of the microgrid are constrained in practical engineering applications, the Backstepping controll

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Xiao, Chun, Yulu Ren, Qiong Cao, Ruifen Cheng, and Lei Wang. "Propagation Mechanism and Suppression Strategy of DC Faults in AC/DC Hybrid Microgrid." Processes 12, no. 5 (2024): 1013. http://dx.doi.org/10.3390/pr12051013.

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Due to their efficient renewable energy consumption performance, AC/DC hybrid microgrids have become an important development form for future power grids. However, the fault response will be more complex due to the interconnected structure of AC/DC hybrid microgrids, which may have a serious influence on the safe operation of the system. Based on an AC/DC hybrid microgrid with an integrated bidirectional power converter, research on the interaction impact of faults was carried out with the purpose of enhancing the safe operation capability of the microgrid. The typical fault types of the DC su

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Pan, Hao, Ming Ding, Anwei Chen, Rui Bi, Lei Sun, and Shengliang Shi. "Research on Distributed Power Capacity and Site Optimization Planning of AC/DC Hybrid Micrograms Considering Line Factors." Energies 11, no. 8 (2018): 1930. http://dx.doi.org/10.3390/en11081930.

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With the rapid development of AC/DC hybrid microgrids and the widespread use of distributed power resources, planning strategies for microgrids with high-density distributed power generation have become an urgent problem. Because current research on microgrid planning has not considered line factors, this paper analyses the planning of an AC/DC hybrid microgrid based on an AC microgrid. The capacity and siting of the distributed power resources are optimized, taking into account the influence of the line investment cost and the interactive power upper limit on the planning results. In the prop

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Zarin, Anjum Ananna, Talukder Khadiza, Nondi Sumona, Hasan Mahmudul, and Chowdhury Nahid-Ur-Rahman. "A Qualitative Study on Hybrid Microgrid Control Methodologies: Challenges and Prospects." Journal of Emerging Trends in Electrical Engineering 6, no. 3 (2024): 32–47. https://doi.org/10.5281/zenodo.13744003.

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<em>Recent advancements in conventional power systems have been significantly driven by the development of modern smart grids. These grids feature interconnected microgrids that are characterized by high levels of energy storage and renewable energy penetration, making them increasingly popular in contemporary distribution networks. Looking forward, electrical distribution systems are considered to hold substantial promise for hybrid AC-DC systems. The operation of these hybrid systems, facilitated by interfacing converters that connect AC and DC microgrids, benefits from this. Effective power

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Pan, Xuewei, Fan Yang, Peiwen Ma, Yijin Xing, Jinye Zhang, and Lingling Cao. "A Game-Theoretic Approach of Optimized Operation of AC/DC Hybrid Microgrid Clusters." Energies 15, no. 15 (2022): 5537. http://dx.doi.org/10.3390/en15155537.

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To maximize the benefits of microgrid clusters, a general model and analysis method for studying the optimized operation of AC/DC microgrid clusters using non-cooperative games is proposed. This paper first establishes the optimized objective function of an AC/DC microgrid for economic operations. Based on the supply and demand theory, the dynamic adjustment mechanism of electricity price is introduced into microgrid clusters, and a game model for the optimal operation of multiple microgrids is established. The Nash equilibrium solution of the established model is obtained by iterative search

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Wang, Bing, Wanneng Yu, Weiqiang Liao, Yibin Fang, Changkun Zhang, and Rongfeng Yang. "Research on the Dynamic Stability of AC/DC Hybrid Microgrids in New-Energy Ships." Journal of Marine Science and Engineering 13, no. 3 (2025): 485. https://doi.org/10.3390/jmse13030485.

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For the frequent occurrence of pulse power load operation and load switching disturbances in AC/DC shipboard microgrids, a large-signal stability analysis method based on hybrid potential theory is proposed. The proposed method utilizes a mixed potential function to analyze the impact of interconnected converters on system stability. First, the entire system is equivalently modeled as a DC system in a d-q rotating reference frame. Then, a mixed potential function model of the AC/DC system is established for stability analysis, leading to the development of a large-signal stability criterion fo

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A.Chandrasekhar*1, &. Kamaraju.Vechalapu2. "HYBRID FUZZY CONTROLLED BASED POWER GRID APPLICATIONS." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 6 (2018): 34–41. https://doi.org/10.5281/zenodo.1262341.

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The penetration of renewable energy in modern power system, Microgrid has become a popular application worldwide. In this concept bidirectional converters for AC and DC hybrid Microgrid application are proposed as an efficient interface. To reach the goal of bidirectional power conversion, both rectifier and inverter modes are analyzed. In order to achieve high performance operation and single-phase bi-directional inverter with dc-bus voltage regulation and power compensation in dc-Microgrid applications. This concept proposes a control design methodology for a multi functional single-phase bi

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Jiang, Ke, Feng Wu, Linjun Shi, and Keman Lin. "Distributed Hierarchical Consensus-Based Economic Dispatch for Isolated AC/DC Hybrid Microgrid." Energies 13, no. 12 (2020): 3209. http://dx.doi.org/10.3390/en13123209.

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In this paper, a distributed hierarchical consensus algorithm is proposed to solve the economic dispatch (ED) problem for the isolated AC/DC hybrid microgrid. At first, the whole nodes of the AC/DC hybrid microgrid are divided into two parts, that is, the leadership layer nodes and the tracking layer nodes. The leadership layer nodes update the data through their own feedback elements, while the tracking layer nodes receive the information from the leadership layer nodes and update the data. After several iterations, the two different layer nodes obtain the same state, which realizes the dynam

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Hasti, Afianti, Penangsang Ontoseno, and Soeprijanto Adi. "Stability and reliability of low voltage hybrid AC-DC microgrids power flow model in islanding operation." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 1 (2020): 32–41. https://doi.org/10.11591/ijeecs.v19.i1.pp32-41.

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The problem of decreasing and increasing power flow in hybrid AC-DC microgrids in islanding operations is the concern of this study. This condition arises if one sub-microgrid cannot supply load power requirements, either because of a decrease in power at the source or an increase in load on the sub-microgrid network. The result, in this study using a bidirectional converter as an interlinking converter, the converter can change the power flow from ac sub microgrid to dc sub microgrid and vice versa. With this converter, load requirements can be met despite a lack of power in one of the sub mi

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Timo, Paul N., Tamer F. Megahed, Masahito Shoyama, and Sobhy M. Abdelkader. "Operation and Control of a Quasi Z-source Converter in a Renewable Hybrid Microgrid." Renewable Energy and Power Quality Journal 20 (September 2022): 602–7. http://dx.doi.org/10.24084/repqj20.379.

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The power sharing need and operational reliability of a renewable hybrid microgrid are addressed in this study. A hybrid microgrid allows for the flexible incorporation of renewable energy sources, overcoming the limitations of AC and DC microgrids in terms of conversion losses and efficiency. To ensure optimal system performance, an interlinking converter (IC) is necessary for the seamless transmission of electric power between the two subgrids while keeping a stable DC bus voltage and appropriate AC sub-grid frequency. In this study, a Quasi Zsource converter (qZSC) with integrated boost cap

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Dehnavi, Saeed Daneshvar, Mahdi Shahparasti, Mohsen Simab, and Seyed Mohammad Bagher Mortazavi. "Employing Interface Compensators to Enhance the Power Quality In Hybrid AC/DC Microgrids." Ciência e Natura 37 (December 19, 2015): 357. http://dx.doi.org/10.5902/2179460x20796.

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After the introduction of distributed generators, regarding the challenges these networks face, employing AC/DC Hybrid microgrids would be an undeniable issue due to its many advantages and it will certainly find a significant position. Thus, discussing the power quality in this type of microgrids and clean power for feeding the load via this microgrid is a drastic challenge. This paper proposing a hybrid microgrid with 2 interface converters, one placed in series and the other placed in parallel, tries to accomplish these control objectives in an AC microgrid in order to improve power quality

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Qachchachi, Nabil, Hassane Mahmoudi, and Abdennebi El Hassnaoui. "Control Strategy of Hybrid AC/DC Microgrid in Standalone Mode." International Journal of Renewable Energy Development 9, no. 2 (2020): 295–301. http://dx.doi.org/10.14710/ijred.9.2.295-301.

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The fluctuation of production of renewable energy resources (RESs) is a big problem for its installation and integration in isolated residential buildings. A hybrid AC/DC microgrid facilitates the good operation of RESs with a storage system in standalone mode and the possibilities of smart energy management. In this paper optimization research of the hybrid ac/dc microgrid in isolated mode of operation is presented. The power system is supplied by various Renewable Energy Resources (RESs), Photovoltaic arrays (PVA), a Wind Turbine Generator (WTG), Diesel Generator (DG) and supported by Batter

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Estabragh, Mohsen Rezaie, Ali Dastfan, and Morteza Rahimiyan. "Grid-Tied Hybrid AC-DC Microgrid: Finding Optimal Number of Parallel-Connected AC-DC Bidirectional Interfacing Converters." International Transactions on Electrical Energy Systems 2022 (June 2, 2022): 1–14. http://dx.doi.org/10.1155/2022/1932818.

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Linking AC and DC microgrids via a bidirectional AC-DC interfacing converter has emerged the hybrid AC-DC microgrid. The DC bus is connected to the grid by a series converter to mitigate the grid voltage’s power quality problems. To enhance the reliability and to increase transferring active and nonactive powers between DC and AC main buses, the AC-DC bidirectional interfacing converters are connected in parallel. In this paper, the optimal number (n) of parallel-connected bidirectional interfacing converters is obtained to minimize the annual cost of investment and the reliability cost. A two

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Hussain, Akhtar, and Hak-Man Kim. "A Rule-Based Modular Energy Management System for AC/DC Hybrid Microgrids." Sustainability 17, no. 3 (2025): 867. https://doi.org/10.3390/su17030867.

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Microgrids are considered a practical solution to revolutionize power systems due to their ability to island and sustain the penetration of renewables. Most existing studies have focused on the optimal management of microgrids with a fixed configuration. This restricts the application of developed algorithms to other configurations without major modifications. The objective of this study is to design a rule-based modular energy management system (EMS) for microgrids that can dynamically adapt to the microgrid configuration. To realize this framework, first, each component is modeled as a separ

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Awais, Muhammad, Laiq Khan, Said Ghani Khan, Qasim Awais, and Mohsin Jamil. "Adaptive Neural Network Q-Learning-Based Full Recurrent Adaptive NeuroFuzzy Nonlinear Control Paradigms for Bidirectional-Interlinking Converter in a Grid-Connected Hybrid AC-DC Microgrid." Energies 16, no. 4 (2023): 1902. http://dx.doi.org/10.3390/en16041902.

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The stability of a hybrid AC-DC microgrid depends mainly upon the bidirectional interlinking converter (BIC), which is responsible for power transfer, power balance, voltage solidity, frequency and transients sanity. The varying generation from renewable resources, fluctuating loads, and bidirectional power flow from the utility grid, charging station, super-capacitor, and batteries produce various stability issues on hybrid microgrids, like net active-reactive power flow on the AC-bus, frequency oscillations, total harmonic distortion (THD), and voltage variations. Therefore, the control of B

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Jiang, Ke, Feng Wu, Xuanjun Zong, Linjun Shi, and Keman Lin. "Distributed Dynamic Economic Dispatch of an Isolated AC/DC Hybrid Microgrid Based on a Finite-Step Consensus Algorithm." Energies 12, no. 24 (2019): 4637. http://dx.doi.org/10.3390/en12244637.

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The AC/DC hybrid microgrid is the main trend of microgrids’ development, and the dynamic economic dispatch is regarded as an important way to ensure the economic and safe operation of a microgrid system. In this paper, a dynamic economic dispatch model of the isolated AC/DC hybrid microgrid is developed with the objective of minimizing the daily operation cost of controllable units. Furthermore, a distributed algorithm based on the finite-step consensus algorithm is proposed, in which the incremental cost of each distributed generation unit is set as a consensus variable, and all units obtain

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Aljohani, Tawfiq M., Ahmed F. Ebrahim, and Osama Mohammed. "Hybrid Microgrid Energy Management and Control Based on Metaheuristic-Driven Vector-Decoupled Algorithm Considering Intermittent Renewable Sources and Electric Vehicles Charging Lot." Energies 13, no. 13 (2020): 3423. http://dx.doi.org/10.3390/en13133423.

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Energy management and control of hybrid microgrids is a challenging task due to the varying nature of operation between AC and DC components which leads to voltage and frequency issues. This work utilizes a metaheuristic-based vector-decoupled algorithm to balance the control and operation of hybrid microgrids in the presence of stochastic renewable energy sources and electric vehicles charging structure. The AC and DC parts of the microgrid are coupled via a bidirectional interlinking converter, with the AC side connected to a synchronous generator and portable AC loads, while the DC side is

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Ashokkumar, V., and C. B. Venkatramanan. "PSO-ANFIS-Based Energy Management in Hybrid AC/DC Microgrid along with Plugin Electric Vehicle." International Journal of Photoenergy 2023 (October 31, 2023): 1–24. http://dx.doi.org/10.1155/2023/2852972.

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This study proposes a hybrid AC/DC microgrid with plugin EVs, leveraging PSO-tuned ANFIS for voltage and power control. With the existing control, which faced challenges such as instability and complexity, the proposed approach is aimed at simplifying control through PSO, efficient power sharing, and reduced sample requirements. This innovative method contributes to improved energy management in hybrid microgrids, bridging existing research gaps. This approach streamlines neural transmission in microgrid control, addressing challenges in distributed generation power, load demand, energy storag

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Chen, Yaling, Luxi Hao, and Gaowen Yin. "Distributed Energy Management of the Hybrid AC/DC Microgrid with High Penetration of Distributed Energy Resources Based on ADMM." Complexity 2021 (September 14, 2021): 1–9. http://dx.doi.org/10.1155/2021/1863855.

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This paper aims to investigate energy management of the hybrid AC/DC microgrid with the high penetration of distributed energy resources (DERs), such as electrical vehicles, heat pumps, and photovoltaics. In the previous studies, energy management of the hybrid microgrid is usually carried out by the system operator in a centralized manner, which suffers from the compromise of privacy information protection and the risk of single-point failure. Therefore, this paper proposes a distributed energy management scheme of the hybrid microgrid using the projection function-based alternating direction

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Jiao, Deqiang, Che Liu, Dinghao Wang, and Zerui Li. "Harmonic analysis of AC/DC hybrid microgrid." IOP Conference Series: Earth and Environmental Science 651 (February 10, 2021): 022087. http://dx.doi.org/10.1088/1755-1315/651/2/022087.

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Liang, Beiming, Li Kang, Jianzong He, et al. "Coordination control of hybrid AC/DC microgrid." Journal of Engineering 2019, no. 16 (2019): 3264–69. http://dx.doi.org/10.1049/joe.2018.8505.

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Dehnavi, Saeed Daneshvar, and Ehsan Shayani. "Compensation of Voltage disturbances in hybrid AC/DC Microgrids using series converter." Ciência e Natura 37 (December 19, 2015): 349. http://dx.doi.org/10.5902/2179460x20794.

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In this paper a series power electronic converter is proposed to improve power quality of AC/DC hybrid microgrids. An injection transformer which is series with AC microgrid is used beside the series converter to inject voltage for the purpose of voltage disturbances compensation. The series converter by using a simple and effective control system in stationary reference framework of d-q-0 is proposed to compensate voltage sag and swell, source unbalanced voltages, voltage harmonics of the utility. In these types of micrigrids a lot of voltage disturbances have occurred due to large number of

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Nadam, L., M. Chakravarthy, and M. Manjula. "Optimized Energy Management for PV Hybrid Power Systems with DC Bus Voltage Control." International Journal of Electrical and Electronics Research 12, no. 4 (2024): 1137–80. https://doi.org/10.37391/ijeer.120407.

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The growing popularity of direct current (DC) power sources, energy storage systems, and DC loads has recently shifted the focus away from alternating current (AC) microgrids and towards DC-only systems. However, smart and energy-efficient building integration and effective microgrid administration are prerequisites. Direct current microgrids, which include solar modules as their principal power source, an energy storage device (battery), and an essential DC load, may have their energy consumption managed with the help of our study. Within the microgrid (MG) architecture, the DC-DC boost conve

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Gontijo, Gustavo, Matheus Soares, Thiago Tricarico, Robson Dias, Mauricio Aredes, and Josep Guerrero. "Direct Matrix Converter Topologies with Model Predictive Current Control Applied as Power Interfaces in AC, DC, and Hybrid Microgrids in Islanded and Grid-Connected Modes." Energies 12, no. 17 (2019): 3302. http://dx.doi.org/10.3390/en12173302.

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This paper presents an analysis of a new application of different direct matrix converter topologies used as power interfaces in AC, DC, and hybrid microgrids, with model predictive current control. Such a combination of a converter and control strategy leads to a high power quality microgrid voltage, even with a low power quality main grid voltage and even during the connection and disconnection of a variety of loads and generation sources to the microgrids. These robust systems are suitable for applications in which sensitive loads are to be supplied and these loads are connected close to di

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Ren, Jiaxuan, Shaorong Wang, and Xinchen Wang. "Design and Feasibility Verification of Novel AC/DC Hybrid Microgrid Structures." Sensors 24, no. 15 (2024): 4778. http://dx.doi.org/10.3390/s24154778.

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To enhance the power supply reliability of the microgrid cluster consisting of AC/DC hybrid microgrids, this paper proposes an innovative structure that enables backup power to be accessed quickly in the event of power source failure. The structure leverages the quick response characteristics of thyristor switches, effectively reducing the power outage time. The corresponding control strategy is introduced in detail in this paper. Furthermore, taking practical considerations into account, two types of AC/DC hybrid microgrid structures are designed for grid-connected and islanded states. These

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Afianti, Hasti, Ontoseno Penangsang, and Adi Soeprijanto. "Stability and reliability of low voltage hybrid AC-DC microgrids power flow model in islanding operation." Indonesian Journal of Electrical Engineering and Computer Science 19, no. 1 (2020): 32. http://dx.doi.org/10.11591/ijeecs.v19.i1.pp32-41.

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The problem of decreasing and increasing power flow in hybrid AC-DC microgrids in island operations is the concern of this research. This condition arises if one sub-microgrid cannot supply load power requirements, either due to a decrease in power at the source or an increase in load on the sub-microgrid network. As a result, in this research used the bidirectional converter as an interlinking converter, the converter can change the power flow from the ac sub microgrid to the dc sub microgrid and vice versa. With this bidirectional converter, load power requirements can be met even though the

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