Relevant bibliographies by topics / LVDC microgrid

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  3. Conference papers

Academic literature on the topic 'LVDC microgrid'

Author: Grafiati
Published: 4 June 2025
Last updated: 23 June 2025

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Journal articles on the topic "LVDC microgrid"

1

Lee, Kyung-Min, and Chul-Won Park. "Ground Fault Detection Using Hybrid Method in IT System LVDC Microgrid." Energies 13, no. 10 (2020): 2606. http://dx.doi.org/10.3390/en13102606.

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Low voltage direct current (LVDC) microgrid systems have many advantages over low voltage alternating current (LVAC) systems. Furthermore, LVDC microgrids are growing in use because they are easy to link to distributed energy resources (DER) and energy storage systems (ESS), etc. Currently, IT system LVDC microgrids are widely used in direct current (DC) railways, hospitals, photovoltaic (PV) systems, and so on. When a ground fault occurs in an IT system LVDC microgrid, the ground fault may not be detected because the fault current is very small and there is no current path. In this paper, ground fault detection is proposed using a hybrid method that comprises pulsation signal generator injection and detailed coefficients of discrete wavelet transform (DWT). The LVDC microgrid was modeled and simulated using power systems computer-aided design (PSCAD). In addition, the proposed hybrid method was implemented using MATLAB’s wave menu, a script m-file, and the PSCAD library. The proper threshold was selected and tested by fault resistance change and load variation. In order to verify the superiority of the proposed hybrid method, a comparative study with the conventional method was performed. The results of various simulations show that the proposed hybrid detection method has normal operation and accurately and rapidly detects ground faults.
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Deng, Ling Hui, Zhi Xin Wang, and Jian Min Duan. "Protection Scheme for DC Microgrid Distribution System." Advanced Materials Research 614-615 (December 2012): 1661–65. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.1661.

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The low voltage DC (LVDC) distribution system is a new concept and a promising technology to be used in the future smart distribution system having high level cost-efficiency and reliability. In this paper, a low-voltage (LV) DC microgrid protection system design is proposed. Usually, an LVDC microgrid must be connected to an ac grid through converters with bidirectional power flow and, therefore, a different protection scheme is needed. This paper describes practical protection solutions for the LVDC network and an LVDC system laboratory prototype is being experimentally tested by MATLAB/SIMULINK. The results show that it is possible to use available devices to protect such a system. But other problems may arise which needs further study.
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Li, Yuyang, Qiuye Sun, Danlu Wang, and Sen Lin. "A Virtual Inertia-Based Power Feedforward Control Strategy for an Energy Router in a Direct Current Microgrid Application." Energies 12, no. 3 (2019): 517. http://dx.doi.org/10.3390/en12030517.

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Due to the uncertainty of the power load and the randomness of distributed generations, low-voltage direct current (LVDC) bus voltage fluctuation will greatly affect the safety of an energy router-enabled direct current (DC) microgrid. In this paper, a power feedforward control strategy based on a dual active bridge (DAB) DC/DC converter in an energy router-based DC Microgrid is proposed. Based on this strategy, the LVDC bus voltage is controlled by virtual inertia control of the DC microgrid, instead of by the DAB converter. Thus, two benefits of the proposed strategy can be achieved: the power feedforward control can be realized, to mitigate the voltage fluctuation range of the LVDC bus; and the modulation algorithm in the DAB converter can be simplified. Experimental results verify the correctness and effectiveness of the proposed control method.
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Cleenwerck, Rémy, Hakim Azaioud, Majid Vafaeipour, Thierry Coosemans, and Jan Desmet. "Impact Assessment of Electric Vehicle Charging in an AC and DC Microgrid: A Comparative Study." Energies 16, no. 7 (2023): 3205. http://dx.doi.org/10.3390/en16073205.

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This paper presents an in-depth comparison of the benefits and limitations of using a low-voltage DC (LVDC) microgrid versus an AC microgrid with regard to the integration of low-carbon technologies. To this end, a novel approach for charging electric vehicles (EVs) on low-voltage distribution networks by utilizing an LVDC backbone is discussed. The global aim of the conducted study is to investigate the overall energy losses as well as voltage stability problems on DC and AC microgrids. Both architectures are assessed and compared to each other by performing a power flow analysis. Along this line, an actual low-voltage distribution network with various penetration levels of EVs, combined with photovoltaic (PV) systems and battery energy storage systems is considered. Obtained results indicate significant power quality improvements in voltage imbalances and conversion losses thanks to the proposed backbone. Moreover, the study concludes with a discussion of the impact level of EVs and PVs penetration degrees on energy efficiency, besides charging power levels’ impact on local self-consumption reduction of the studied system. The outcomes of the study can provide extensive insights for hybrid microgrid and EV charging infrastructure designers in a holistic manner in all aspects.
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Park, Ju-Ho, and Sang-Yong Park. "Research on Power Efficiency of DC Microgrids Considering Fire Protection Systems." Energies 18, no. 2 (2025): 230. https://doi.org/10.3390/en18020230.

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Due to the development of power semiconductors and the increase in digital loads, DC microgrids are receiving attention, and their application scope is rapidly expanding. As the technological stability of high-voltage direct current (HVDC) continues to rise, the potential of low-voltage direct current (LVDC) distribution systems is becoming increasingly intriguing. Many researchers are actively conducting safety and efficiency research on DC distribution systems and power grids. In LVDC distribution systems, small-scale DC microgrids are formed by renewable energy sources supplying DC power. This paper analyzes the efficiency improvement that can be achieved by integrating a fire protection system into a DC microgrid. This research analyzed the changes when fire protection systems such as receivers, transmitters, fire alarms, emergency lighting, and evacuation guidance, which have traditionally used AC power, were converted to DC circuits. As a result, the power supply infrastructure within the DC microgrid can be simplified, energy loss can be reduced, and the stability of the power system can be improved. The research results of this paper suggest that DC circuit-based fire protection facilities can positively impact future smart grid and renewable energy goals.
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Hategekimana, Pascal, Adria Junyent Ferre, Joan Marc Rodriguez Bernuz, and Etienne Ntagwirumugara. "Fault Detecting and Isolating Schemes in a Low-Voltage DC Microgrid Network from a Remote Village." Energies 15, no. 12 (2022): 4460. http://dx.doi.org/10.3390/en15124460.

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Fault detection and isolation are important tasks to improve the protection system of low voltage direct current (LVDC) networks. Nowadays, there are challenges related to the protection strategies in the LVDC systems. In this paper, two proposed methods for fault detection and isolation of the faulty segment through the line and bus voltage measurement were discussed. The impacts of grid fault current and the characteristics of protective devices under pre-fault normal, under-fault, and post-fault conditions were also discussed. It was found that within a short time after fault occurrence in the network, this fault was quickly detected and the faulty line segment was efficiently isolated from the grid, where this grid was restored to its normal operating conditions. For analysing the fault occurrence and its isolation, two algorithms with their corresponding MATLAB/SIMULINK platforms were developed. The findings of this paper showed that the proposed methods would be used for microgrid protection by successfully resolving the fault detection and grid restoration problems in the LVDC microgrids, especially in rural villages.
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Tony, Castillo Calzadilla, Cuesta M.A., Quesada Carlos, et al. "Is a massive deployment of renewable-based low voltage direct current microgrids feasible? Converters, protections, controllers, and social approach." Energy Reports 8, no. 2022 (2022): 12302–26. https://doi.org/10.5281/zenodo.7851652.

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The main objective pursued by this survey is to debate the feasibility of a new distribution system in low voltage direct current (LVDC) microgrids and its impact on social development. To this end, this study provides valuable information for renewable energy planners and researchers, giving insights or solutions to reduce the transition gap between the current energy network and the future DC energy microgrids. Mainly, this article is divided into interlinking converters, protection schemes, and control systems, which have been analyzed taking into account the technical aspects of an LVDC microgrid as well as the social impact they have in poverty areas. This survey studies how low voltage DC networks can produce social welfare. In short, this paper assess social implications and technical issues, such as low inertia, grounding issues, voltage regulations, arc apparition, etc., providing a different approach to overcome these issues.
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Seo, Hun-Chul. "Development of New Protection Scheme in DC Microgrid Using Wavelet Transform." Energies 15, no. 1 (2022): 283. http://dx.doi.org/10.3390/en15010283.

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The demand for a low voltage direct current (LVDC) microgrid is increasing by the increase of DC-based digital loads and renewable resources and the rapid development of power electronics technology. For the stable operation of an LVDC microgrid, it is necessary to develop a protection method. In this paper, the new protection scheme considering the fault section is proposed using wavelet transform (WT) in an LVDC microgrid. The fault sections are classified into DC side of the alternating current (AC)/DC converter, DC/DC converter connected to photovoltaic (PV) system, DC line, and DC bus. The characteristics of fault current at each fault section are analyzed. Based on these analyses, the new protection scheme including the fault section estimation is proposed using WT. The proposed scheme estimates the fault section using the detail component after performing WT and sends the trip signal to each circuit breaker according to the fault section. The proposed protection scheme is verified through various simulations according to the fault region and fault current using electromagnetic transient program (EMTP)/ATPDraw and MATLAB. The simulation results show that the fault section is accurately determined, and the corresponding circuit breaker (CB) operations are performed.
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Lee, Kyung-Min, and Chul-Won Park. "Wavelet Transform-based Ground Fault Detection for LVDC Microgrid." Transactions of The Korean Institute of Electrical Engineers 70, no. 9 (2021): 1289–94. http://dx.doi.org/10.5370/kiee.2021.70.9.1289.

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Saxena, Abha, Nikhil Kumar Sharma, and Subhransu Ranjan Samantaray. "An Enhanced Differential Protection Scheme for LVDC Microgrid." IEEE Journal of Emerging and Selected Topics in Power Electronics 10, no. 2 (2022): 2114–25. http://dx.doi.org/10.1109/jestpe.2022.3144300.

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Book chapters on the topic "LVDC microgrid"

1

Roeder, Georg, Raffael Schwanninger, Peter Wienzek, Moritz Kerscher, Bernd Wunder, and Martin Schellenberger. "AI for Stability Optimization in Low Voltage Direct Current Microgrids." In Unlocking Artificial Intelligence. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-64832-8_14.

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AbstractLow voltage direct current (LVDC) is an enabling technology to foster a sustainable resilient energy supply. LVDC microgrids comprising energy generators, storage systems, and loads work as independently controlled units in connection with common alternating current networks. Precise digitized control applying intelligent power converters enables new AI-based approaches for DC microgrid layout and operation. In this work, a new method involving connected machine learning and optimization is established together with a novel measurement system, which enables the measurement and improvement of microgrid stability. The application is successfully validated by experimental assessment on a testbed with a four-terminal DC network operating at a voltage of 380 VDC and the advantages of the AI-based approach are demonstrated.
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Gawande, S. P., Pranay S. Shete, and Pradyumn Chaturvedi. "Control Architectures for Low Voltage DC (LVDC) Microgrid." In Energy Systems in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0979-5_24.

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Behera, Pradyumna Kumar, and Monalisa Pattnaik. "Design and Control of DC–DC Converters in a PV-Based LVDC Microgrid." In Energy Systems in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4388-0_1.

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Hartani, M. A., M. Hamouda, O. Abdelkhalek, A. Benabdelkader, and A. Meftouhi. "Static-Dynamic Analysis of an LVDC Smart Microgrid for a Saharian-Isolated Areas Using ETAP/MATLAB Software." In Lecture Notes in Networks and Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37207-1_53.

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Conference papers on the topic "LVDC microgrid"

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Sahoo, Himansu, Santanu Kapat, and Bhim Singh. "Inspecting Cascaded Boost Configuration Linking LVDC and CDC Bus in DC Microgrid." In 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2024. https://doi.org/10.1109/pedes61459.2024.10961326.

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Abdelrahman, Mahmoud S., Mustafa Esoofally, Hossam Hussein, Ibtissam Kharchouf, and Osama A. Mohammed. "LSTM-Based Digital Twin Modeling for LVDC Microgrid Operation with Pulsed Load." In 2024 IEEE Industry Applications Society Annual Meeting (IAS). IEEE, 2024. https://doi.org/10.1109/ias55788.2024.11023698.

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Chen, Weiran, Songyang Zhang, and Venkata Dinavahi. "Real-Time ML-Assisted Hardware-in-the-Loop Electro-Thermal Emulation of LVDC Microgrid on the International Space Station." In 2024 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2024. http://dx.doi.org/10.1109/pesgm51994.2024.10688535.

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du Peloux, Bertrand, Julien Renoux, David Corbet, Tony Landry, and Marco Carminati. "Effects of Switching Overvoltages in LVDC Microgrids." In 2024 IEEE Sixth International Conference on DC Microgrids (ICDCM). IEEE, 2024. http://dx.doi.org/10.1109/icdcm60322.2024.10664820.

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Bayerdörffer, Laura, Sebastian Brüske, and Marius Langwasser. "Soft Pre-charging Procedure for LVDC Microgrids." In 2024 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2024. http://dx.doi.org/10.1109/pesgm51994.2024.10688626.

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Schwanninger, Raffael, Daniel Schmitt, Melanie Lavery, Bernd Wunder, and Martin Maerz. "Output Impedance Measurement of Digitally Controlled Power Converters in LVDC-Grids." In 2024 IEEE Sixth International Conference on DC Microgrids (ICDCM). IEEE, 2024. http://dx.doi.org/10.1109/icdcm60322.2024.10664837.

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Gehring, Johannes, Bernd Wunder, Raffael Schwanninger, Martin März, and Vincent Lorentz. "Novel Device for Fast Detection and Limitation of Short-Circuit Currents in LVDC Grids." In 2024 IEEE Sixth International Conference on DC Microgrids (ICDCM). IEEE, 2024. http://dx.doi.org/10.1109/icdcm60322.2024.10664879.

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Loggia, Riccardo, Alessandro Flamini, Alessandro Galasso, Andrea Massaccesi, Roberto Menichelli, and Luigi Martirano. "Lithium Battery Storage Degradation Analysis in LVAC Microgrid." In 2024 IEEE International Conference on Environment and Electrical Engineering and 2024 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2024. http://dx.doi.org/10.1109/eeeic/icpseurope61470.2024.10751142.

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Bayerdörffer, Laura, Julius Maximilian Placzek, Sebastian Brüske, and Marius Langwasser. "Output Voltage Control-based Soft Pre-charging for Downstream Capacitors in LVDC Microgrids." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10861100.

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Muscio, Gabriele Galbato, Riccardo Loggia, and Luigi Martirano. "Power Sharing Model with Variable Inductors Integrated in Residential LVAC Microgrids." In 2025 IEEE/IAS 61st Industrial and Commercial Power Systems Technical Conference (I&CPS). IEEE, 2025. https://doi.org/10.1109/icps64254.2025.11030336.

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