Academic literature on the topic 'Multi-terminal DC grid'

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Journal articles on the topic "Multi-terminal DC grid"

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Mokhberdoran, Ataollah, Nuno Silva, Helder Leite, and Adriano Carvalho. "Unidirectional Protection Strategy for Multi-terminal HVDC Grids." Transactions on Environment and Electrical Engineering 1, no. 4 (2016): 58. http://dx.doi.org/10.22149/teee.v1i4.71.

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Protection issue is identified as the main drawback of emerging multi-terminal HVDC grids. Multi-terminal HVDC grid demands fast short circuit fault current interruption. Fast DC circuit breakers as a promising solution can be implemented as either bidirectional or unidirectional devices. In addition to less implementation cost, the unidirectional DC circuit breakers have less power losses as compared to the bidirectional devices. A protection strategy for multi-terminal HVDC grid based on unidirectional breaking devices is discussed and assessed in this paper. The performance of unidirectiona
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Raza, Ali, Muhammad Younis, Yuchao Liu, Ali Altalbe, Kumars Rouzbehi, and Ghulam Abbas. "A Multi-Terminal HVdc Grid Topology Proposal for Offshore Wind Farms." Applied Sciences 10, no. 5 (2020): 1833. http://dx.doi.org/10.3390/app10051833.

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Although various topologies of multi-terminal high voltage direct current (MT-HVdc) transmission systems are available in the literature, most of them are prone to loss of flexibility, reliability, stability, and redundancy in the events of grid contingencies. In this research, two new wind farms and substation ring topology (2WF-SSRT) are designed and proposed to address the aforementioned shortcomings. The objective of this paper is to investigate MT-HVdc grid topologies for integrating large offshore wind farms with an emphasis on power loss in the event of a dc grid fault or mainland alter
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Radwan, Mohamed, and Sahar Pirooz Azad. "Protection of Multi-Terminal HVDC Grids: A Comprehensive Review." Energies 15, no. 24 (2022): 9552. http://dx.doi.org/10.3390/en15249552.

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Multi-terminal HVDC grids facilitate the integration of various renewable resources from distant locations; in addition, they enhance the reliability and stability of the grid. Protection is one of the major obstacles in realizing reliable and secure multi-terminal HVDC grids. This paper presents a comprehensive review of the existing protection schemes for multi-terminal HVDC grids. First, DC fault current stages are demonstrated; in addition, fault analysis studies and the existing fault current calculation methods are reviewed. Then, HVDC grid protection requirements including multi-vendor
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Hwang, Sungchul, Sungyoon Song, Gilsoo Jang, and Minhan Yoon. "An Operation Strategy of the Hybrid Multi-Terminal HVDC for Contingency." Energies 12, no. 11 (2019): 2042. http://dx.doi.org/10.3390/en12112042.

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The application of the direct current (DC) transmission is increasing through the interconnection between grids or the renewable energy resource integration. Various types of DC transmission topology are researched, and the hybrid multi-terminal high voltage DC (HVDC), called the “MTDC”, is one of the research subjects. The hybrid multi-terminal HVDC is the MTDC system that is composed with the Line Commutated Converter (LCC) and Voltage Source Converter (VSC). Most hybrid MTDC research has been focused on the connection of the renewable energy generation sources, especially offshore wind farm
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Jiménez Carrizosa, Miguel, Nikola Stankovic, Jean-Claude Vannier, Yaroslav Shklyarskiy, and Aleksei Bardanov. "Multi-terminal dc grid overall control with modular multilevel converters." Journal of Mining Institute 243 (June 15, 2020): 357. http://dx.doi.org/10.31897/pmi.2020.3.357.

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This paper presents a control philosophy for multiterminal DC grids, which are embedded in the main AC grid. DC transmission lines maintain higher power flow at longer distances compared with AC lines. The voltage losses are also much lower. DC power transmission is good option for Russian north. Arctic seashore regions of Russia don't have well developed electrical infrastructure therefore power line lengths are significant there. Considering above it is possible to use DC grids for supply mining enterprises in Arctic regions (offshore drilling platforms for example). Three different control
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Samaranayake, Lilantha, Carlos E. Ugalde-Loo, Oluwole D. Adeuyi, John Licari, and Janaka B. Ekanayake. "Multi-Terminal DC Grid with Wind Power Injection." Wind 2, no. 1 (2022): 17–36. http://dx.doi.org/10.3390/wind2010002.

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With the development of offshore wind generation, the interest in cross-country connections is also increasing, which requires models to study their complex static and dynamic behaviors. This paper presents the mathematical modeling of an offshore wind farm integrated into a cross-country HVDC network forming a multi-terminal high-voltage DC (MTDC) network. The voltage source converter models were added with the control of active power, reactive power, frequency, and DC link voltages at appropriate nodes in the MTDC, resembling a typical cross-country multi-terminal type of HVDC scenario. The
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Jadhav, Sachin, Rakesh G. Shrivastava, and Khule S S. "SFCL FOR MULTI-TERMINAL DC GRID PROTECTION SYSTEM." International Journal of Electrical and Electronics Engineering 7, no. 7 (2020): 11–15. http://dx.doi.org/10.14445/23488379/ijeee-v7i7p103.

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Wang, Ting, Liliuyuan Liang, Xinrang Feng, Ferdinanda Ponci, and Antonello Monti. "Online Parameter Estimation for Fault Identification in Multi-Terminal DC Distribution Grids." Energies 14, no. 18 (2021): 5630. http://dx.doi.org/10.3390/en14185630.

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Fast and accurate identification of short-circuit faults is important for post-fault service restoration and maintenance in DC distribution grids. Yet multiple power sources and complex system topologies complicate the fault identification in multi-terminal DC distribution grids. To address this challenge, this paper introduces an approach that achieves fast online identification of both the location and the severity of faults in multi-terminal DC distribution grids. First, a generic model describing the dynamic response of DC lines to both pole-to-ground and pole-to-pole faults with fault cur
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Zhou, Feng, Takahiro Kawaguchi, and Seiji Hashimoto. "Multi-Terminal DC Transformer for Renewable Energy Cluster Grid Connection." Energies 17, no. 20 (2024): 5152. http://dx.doi.org/10.3390/en17205152.

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An AC (alternative current) power integration of distributed energies faces multi-fold challenges such as synchronization and weak grid-induced instability. In this study, a multi-terminal DC transformer is proposed for renewable energy clusters grid connection. The DC transformer provides multiple DC input ports for renewable energy collection, while the load port is connected to the medium-voltage DC grid via a modular multilevel converter (MMC). The multi-port topology enables flexible power transfer between multiple input sources to the load without additional components. The carrier layer
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Han, Yuqi, Ruiguang Ma, Ting Li, et al. "Fault Detection and Zonal Protection Strategy of Multi-Voltage Level DC Grid Based on Fault Traveling Wave Characteristic Extraction." Electronics 12, no. 8 (2023): 1764. http://dx.doi.org/10.3390/electronics12081764.

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Currently, DC breakers are commonly used in mainstream protection schemes for DC grids to eliminate faults. However, the cost of high voltage DC (HVDC) breakers is high, and equipping each DC line with DC breakers is expensive. In order to minimize the number of DC breakers while ensuring the reliability of the power supply, a zonal protection strategy suitable for multi-voltage level DC grids is proposed. Subsequently, the qualitative impact of partial power interruption caused by fault DC areas is analyzed in the system. The basic zonal principle of the multi-voltage level DC grid is formula
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Dissertations / Theses on the topic "Multi-terminal DC grid"

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Rafferty, John. "DC grid management and transient analysis of multi-terminal HVDC transmission." Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.677286.

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With the advent of large scale offshore wind generation the world has taken a significant step closer to reducing its reliance on fossil fuels as the main source of electricity. To this end, plans in Europe have been proposed to interconnect a variety of renewable generation sources, predominantly wind sourced, via the construction of High Voltage DC lines into a Single Multi-Terminal DC (MTDC) grid, dubbed the European Supergrid, In order to meet a large portion of the total European demand. The object of this thesis is to address some of the issues involved with the Implementation of such a
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Wang, Wenyuan. "Operation, control and stability analysis of multi-terminal VSC-HVDC systems." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/operation-control-and-stability-analysis-of-multiterminal-vschvdc-systems(f428f63c-f9b9-4faa-9618-7b6e645a8636).html.

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Voltage source converter high voltage direct current (VSC-HVDC) technology has become increasingly cost-effective and technically feasible in recent years. It is likely to play a vital role in integrating remotely-located renewable generation and reinforcing existing power systems. Multi-terminal VSC-HVDC (MTDC) systems, with superior reliability, redundancy and flexibility over the conventional point-to-point HVDC, have attracted a great deal of attention globally. MTDC however remains an area where little standardisation has taken place, and a series of challenges need to be fully understood
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Ram, Prakash Ranjithh Raj. "Study of an Isolated and a Non-Isolated Modular DC/DC Converter : In Multi-Terminal HVDC/MVDC grid systems." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278495.

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För sammankoppling av multi-terminala HVDC-system med punkt-till-punkt kopplingar ärDC-DC-omvandlaren den enda möjliga sammankopplingen. Därför genomgår problemenmed spänningsmatchning och likspänningsströmbegränsning i högspännings DC-systemomfattande forskning samt ligger i fokus för denna avhandling. Först analyseras toppmodernatopologier för högspännings DC-DC-omvandlare som används för samtrafik av flera terminalaHVDC-system. De analyserade topologierna jämförs sedan baserat på dess olika funktioner.Topologin för en konventionell icke-isolerad DC-DC-omvandlare analyseras när det gäller de
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Shinoda, Kosei. "Contrôle et opération des réseaux HVDC multi-terminaux à base de convertisseurs MMC." Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0017.

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Cette thèse porte sur la commande de réseaux multi-terminaux à courant continu (MTDC) basés sur des convertisseurs multiniveaux modulaires (MMCs).Tout d’abord, notre attention se focalise sur l'énergie stockée en interne dans le MMC qui constitue un degré de liberté additionnel apporté par sa topologie complexe. Afin d’en tirer le meilleur parti, les limites de l’énergie interne sont formulées mathématiquement.Afin de maîtriser la dynamique de la tension DC, l’utilisation de ce nouveau degré de liberté s’avère d’une grande importance. Par conséquent, une nouvelle de stratégie de commande, nomm
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Paez, alvarez Juan. "Convertisseur DC-DC pour les interconnexions dans les réseaux HVDC." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT075.

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L'expansion de la production d'énergie renouvelable expérimentée au cours des dernières décennies et l'augmentation constante de la demande d'énergie, pousse les limites du réseau électrique actuel. Ce réseau ne suffira pas pour répondre correctement aux besoins futurs. Ainsi, la vision du futur réseau électrique semble indiquer un nouveau paradigme: un réseau maillé combinant le système en courant alternatif existant avec un réseau de transmission à courant continu multi-terminaux. Les convertisseurs DC-DC à haute tension et hautes puissances sont identifiés comme un élément clé pour ces futu
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Book chapters on the topic "Multi-terminal DC grid"

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Roy, Gaurav Kumar, Philipp Joebges, F. Ponci, A. Monti, and Rik W. De Doncker. "Automation Architecture for Multi-terminal DC Grid." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56970-9_17.

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Li, Bin, and Jiawei He. "Traveling-Wave Based Direction Protection for the Multi-terminal HVDC Grid." In Protection Principle and Technology of the VSC-Based DC Grid. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6644-8_6.

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Yao, Mengyu. "Study of Bidirectional Current Flow Controller for Multi-terminal DC Grid." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7393-4_23.

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Khan, Shagufta, and Suman Bhowmick. "Power-Flow Modelling of AC Power Systems Integrated with VSC-Based Multi-Terminal DC Grids Employing DC Slack-Bus Control." In Power-Flow Modelling of HVDC Transmission Systems. CRC Press, 2022. http://dx.doi.org/10.1201/9781003252078-3.

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Khan, Shagufta, and Suman Bhowmick. "Power-Flow Modelling of AC Power Systems Integrated with LCC-Based Multi-Terminal DC (AC-MLDC) Grids." In Power-Flow Modelling of HVDC Transmission Systems. CRC Press, 2022. http://dx.doi.org/10.1201/9781003252078-2.

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Khan, Shagufta, and Suman Bhowmick. "Power-Flow Modelling of AC Power Systems Integrated with VSC-Based Multi-Terminal DC (AC-MVDC) Grids Employing DC Voltage Droop Control." In Power-Flow Modelling of HVDC Transmission Systems. CRC Press, 2022. http://dx.doi.org/10.1201/9781003252078-4.

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Khan, Shagufta, and Suman Bhowmick. "Power-Flow Modelling of AC Power Systems Integrated with VSC-Based Multi-Terminal DC (AC-MVDC) Grids Incorporating Interline DC Power-Flow Controller (IDCPFC)." In Power-Flow Modelling of HVDC Transmission Systems. CRC Press, 2022. http://dx.doi.org/10.1201/9781003252078-5.

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Khan, Shagufta, and Suman Bhowmick. "Power-Flow Modelling of AC Power Systems Integrated with VSC-Based Multi-Terminal DC (AC-MVDC) Grids Incorporating Renewable Energy Sources." In Power-Flow Modelling of HVDC Transmission Systems. CRC Press, 2022. http://dx.doi.org/10.1201/9781003252078-6.

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De Doncker, Rik W. "Medium voltage DC technologies—key enabler for a flexible, multi-terminal underlay distribution grid." In Medium Voltage DC System Architectures. Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/pbpo143e_ch1.

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Conference papers on the topic "Multi-terminal DC grid"

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Bader, Amir Ar-Rahman, and Abhisek Ukil. "Impacts of Earthing Variations on Overvoltage in Meshed Multi-terminal DC Grid." In IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2024. https://doi.org/10.1109/iecon55916.2024.10906020.

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Kumar, Ancha Satish, and Bibhu Prasad Padhy. "Decentralized Frequency and DC-Voltage Deviation Control in Multi-Terminal HVDC (MTDC) Grids with High Penetration of Renewable Sources." In 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2024. https://doi.org/10.1109/pedes61459.2024.10961254.

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Yousefpoor, Nima, Sungmin Kim, and Subhashish Bhattacharya. "Multi-terminal DC grid control under loss of terminal station." In 2014 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2014. http://dx.doi.org/10.1109/ecce.2014.6953470.

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Hu, Shengjie, and Yuhong Wang. "A optimal algorithm for DC breakers configuration in multi-terminal DC systems." In 2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia). IEEE, 2019. http://dx.doi.org/10.1109/isgt-asia.2019.8881400.

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Gonzalez-Longatt, F., B. S. Rajpurohit, J. L. Rueda Torres, and S. N. Singh. "Simulation platform for autonomous smart multi-terminal DC micro-grid." In 2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia). IEEE, 2016. http://dx.doi.org/10.1109/isgt-asia.2016.7796458.

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Wei, Xiuyan, Guibin Zou, Shuo Zhang, Chunhua Xu, and Weijie Sun. "Adaptive Reclosing Scheme for flexible Multi-Terminal DC Distribution Grid." In 2021 6th Asia Conference on Power and Electrical Engineering (ACPEE). IEEE, 2021. http://dx.doi.org/10.1109/acpee51499.2021.9436962.

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Yousefpoor, Nima, and Subhashish Bhattacharya. "Control and dynamic performance evaluation of Multi-Terminal DC grid." In 2015 IEEE Power & Energy Society General Meeting. IEEE, 2015. http://dx.doi.org/10.1109/pesgm.2015.7286382.

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Bahirat, H. J., S. A. Khaparde, S. Kodle, K. Tekletsadik, and V. Dabeer. "Superconducting fault current limiters for multi-terminal DC grid applications." In 2016 IEEE Power and Energy Society General Meeting (PESGM). IEEE, 2016. http://dx.doi.org/10.1109/pesgm.2016.7741296.

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Abdelwahed, Mohamed, and Ehab F. El-Saadany. "DC voltage control for multi-terminal HVDC networks during permanent converter outage." In 2016 IEEE Smart Energy Grid Engineering (SEGE). IEEE, 2016. http://dx.doi.org/10.1109/sege.2016.7589497.

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Pau, Marco, Abhinav Sadu, Suresh Pillai, Ferdinanda Ponci, and Antonello Monti. "A state estimation algorithm for hybrid AC/DC networks with multi-terminal DC grid." In 2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe). IEEE, 2016. http://dx.doi.org/10.1109/isgteurope.2016.7856278.

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