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Requejo Ruiz, Emilio (author)The use of DC microgrids in combination with photovoltaic (PV) energy generation sources results in higher efficiencies by avoiding AC to DC conversion. Moreover, bipolar DC grids allow for more system flexibility and increased reliability at the cost of an additional conductor when compared to unipolar DC. However, maximum power point tracking ...master thesis 2023
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MC Neil, Kyle (author)As renewable energy sources and DC energy storage continue to increase in modern power systems, the power electronic converters required to interface them with existing power grids are also rapidly increasing. This is resulting in increasing amounts of the total power exchanged on the grids being converted between DC and AC. Additionally, the...master thesis 2023
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Zhou, Xiaochuan (author)Rural electrification remains a significant challenge for engineers, given its intricate relationship with multiple issues, including geographical constraints and underdeveloped infrastructural provisions. As a result, with the development of Solar Home Systems (SHS) and direct current (DC) microgrids, DC systems for energy access have emerged...master thesis 2023
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Liao, Yucheng (author)The Monitoring technique plays a vital role in ensuring the proper functioning of modern industrial systems that are highly sophisticated and automated. On two different applications, this thesis investigates two major categories of information redundancy monitoring techniques, model-based and data-driven.<br/><br/>The first application focuses...master thesis 2023
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de Bekker, Philippe (author), Cremers, S.A. (author), Norbu, Sonam (author), Flynn, David (author), Robu, Valentin (author)Given the fundamental role of renewable energy assets in achieving global temperature control targets, new energy management methods are required to efficiently match intermittent renewable generation and demand. Based on analysing various designed cases, this paper explores a number of heuristics for a smart battery scheduling algorithm that...journal article 2023
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Wu, Jingxuan (author), Li, Shuting (author), Gui, Yonghao (author), Cvetkovic, M. (author), Vasquez, Juan C. (author), Guerrero, Josep M. (author)A fuzzy logic based online energy management system (FLEMS) is designed in this paper to achieve the optimal electricity cost in a residential Microgrid (MG). The proposed FLEMS is combined by a local energy price model (LEPM) and a fuzzy-logic strategy. The LEPM will preprocess the sampling data to estimate the electricity market and local MG...conference paper 2023
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Purgat, P. (author), Shekhar, A. (author), Qin, Z. (author), Bauer, P. (author)Low-voltage direct current (LVdc) systems are a promising technology for systems with a high penetration of renewable sources and storage that operate with bidirectional power flow. In this article, a fundamental building block for LVdc is presented for different applications, such as charge controllers, voltage regulation in street-lighting...journal article 2023
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Xiao, J. (author), Wang, L. (author), Qin, Z. (author), Bauer, P. (author)This paper proposes a virtual impedance reshaping strategy to share active and harmonic power while promoting the PCC voltage quality. Moreover, the suggested method is resilient to cyber-attacks and immune to communication interruption and delay. Furthermore, it significantly reduces the communication burden. Experiments verify the...conference paper 2023
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Morales, Raúl (author), Marín, Luis G. (author), Roje, Tomislav (author), Caquilpan, Víctor (author), Sáez, Doris (author), Nunez, Alfredo (author)Microgrids (MGs) are sustainable solutions for rural zone electrification that use local renewable resources. However, only careful planning at the start of an MG project can ensure its future optimal operation. In this paper, a novel methodology for MG planning by using the uncertainty characterization of renewable resources and demand is...journal article 2023
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Groot, Femke (author)While the West-Port of Amsterdam is undergoing a big transformation to a more sustainable future-oriented industry, 70.000 new homes will be built right at the border of city and industry as part of development project Havenstad. The municipality has an ambition to realize a datacentre of 500MW capacity, which is four times the size of the...master thesis 2022
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Norouzi, F. (author), Hoppe, T. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Smart MicroGrids (SMGs) can be seen as a promising option when it comes to addressing the urgent need for sustainable transition in electric systems from the current fossil fuel-based centralised system to a low-carbon, renewable-based decentralised system. Unlike previous studies that were restricted to a limited number of actors and only took...review 2022
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Bakhshi-Jafarabadi, Reza (author), Sadeh, Javad (author), Serrano-Fontova, Alexandre (author), Rakhshani, E. (author)The connection of renewable energy sources (RESs) to the distribution network has been rising at a steady pace over the past decades. The great penetration of RESs such as grid-connected photovoltaic system brings new technical challenges to the distribution networks such as unintentional islanding. Conceptually, this situation occurs when a...review 2022
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Bartels, Emiel Aurelius (author), Pippia, T.M. (author), De Schutter, B.H.K. (author)Electrification of the heat network in buildings together with a rise in popularity of Electric Vehicles (EVs) will result in a need to make investments in the electrical energy infrastructure in order to prevent congestion. This paper discusses the influence of hydrogen in future smart microgrids on these investments. Moreover, smart control...journal article 2022
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Ogunleye, O.S. (author), Coenen, F. (author), Hoppe, T. (author)The need for improved energy security in Nigeria cannot be over-emphasized. Currently, energy security is rather poor, while access to energy is fundamental to socio-economic development and poverty alleviation. Renewable energy could potentially contribute to resolving this because renewable sources such as solar radiation are more available...journal article 2022
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Rey, Juan M. (author), Jiménez-Vargas, Iván (author), Vergara Barrios, P.P. (author), Osma-Pinto, Germán (author), Solano, Javier (author)Autonomous microgrids are a suitable solution for off-grid electrification in terms of costs and reliability. The correct sizing of its generation and storage systems ensures efficient utilization of the available energy resources. Generally, many sizing approaches assume optimized energy management strategies that rely on central control...journal article 2022
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Fattaheian-Dehkordi, Sajjad (author), Rajaei, A. (author), Abbaspour, Ali (author), Fotuhi-Firuzabad, Mahmud (author), Lehtonen, Matti (author)The privatization of distribution systems has resulted in the development of multiple-microgrid (multiple-MG) systems where each microgrid independently operates its local resources. Moreover, the high integration of independent distributed energy sources could lead to operational issues such as grid congestion in future distribution systems....journal article 2022
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Adibi, M. (author), van der Woude, J.W. (author)In this article, we present a reinforcement learning-based scheme for secondary frequency control of lossy inverter-based microgrids. Compared with the existing methods in the literature, we relax the common restrictions on the system, i.e., being lossless, and the transmission lines and loads to have known constant impedances. The proposed...journal article 2022
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Rath, Suman (author), Zografopoulos, Ioannis (author), Vergara Barrios, P.P. (author), Nikolaidis, Vassilis C. (author), Konstantinou, Charalambos (author)Embedded controllers, sensors, actuators, advanced metering infrastructure, etc. are cornerstone components of cyber-physical energy systems such as microgrids (MGs). Harnessing their monitoring and control functionalities, sophisticated schemes enhancing MG stability can be deployed. However, the deployment of ‘smart’ assets increases the...conference paper 2022
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Veviurko, G. (author), Böhmer, J.W. (author), Mackay, Laurens (author), de Weerdt, M.M. (author)Many electric vehicles (EVs) are using today’s distribution grids, and their flexibility can be highly beneficial for the grid operators. This flexibility can be best exploited by DC power networks, as they allow charging and discharging without extra power electronics and transformation losses. From the grid control perspective, algorithms for...journal article 2022
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Carli, Raffaele (author), Cavone, Graziana (author), Pippia, T.M. (author), De Schutter, B.H.K. (author), Dotoli, Mariagrazia (author)This paper focuses on the control of microgrids where both gas and electricity are provided to the final customer, i.e., multi-carrier microgrids. Hence, these microgrids include thermal and electrical loads, renewable energy sources, energy storage systems, heat pumps, and combined heat and power units. The parameters characterizing the...journal article 2022