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Stecca, M. (author), Ramirez Elizondo, L.M. (author), Soeiro, Thiago B. (author), Bauer, P. (author)Energy Storage Systems (ESSs) are promising solutions for mitigating the technical problems created by high penetration of Distributed Generation (DG) in distribution grids. This paper presents a methodology for the ESS sizing and placement within the distribution networks. Those are found through an optimization routine that considers the...conference paper 2020
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Slaifstein, D.A. (author), Alpizar Castillo, J.J. (author), Menendez Agudin, A. (author), Ramirez Elizondo, L.M. (author), Chandra Mouli, G.R. (author), Bauer, P. (author)In the context of building electrification the operation of distributed energy resources integrating multiple energy carriers poses a significant challenge. Such an operation calls for an energy management system that decides the set-points of the primary control layer in the best way possible. This is done by fulfilling user requirements,...conference paper 2023
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Vega Garita, V.E. (author), Ramirez Elizondo, L.M. (author), Chandra Mouli, G.R. (author), Bauer, P. (author)This paper focuses on the most common PV-storage architectures that are designed for residential applications and that incorporate storage devices like batteries, hydrogen systems, supercapacitors, and flywheels. The main motivations and a comparison of the advantages and disadvantages of the architectures are presented. Moreover, some common...conference paper 2016
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Vasan Ashok, Vijay (author), Chandra Mouli, G.R. (author), van der Burgt, Jos (author), Peýate Vera, Santiago (author), Huibers, Martijn (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)EV Charging is expected to be a significant load on the grid in the future. But they can also be a part of the solution to grid violations. As the amount of renewable energy generation increases, there is a large amount of power flowing in the reverse direction in the distribution network, which is undesirable. To reduce this, EVs can charge at...conference paper 2016
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Sulaeman, Ilman (author), Vega Garita, V.E. (author), Chandra Mouli, G.R. (author), Narayan, N.S. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)The paper provides a comparison of four PV-battery architectures with dc and ac backbones, in terms of autarky, energy efficiency, battery size and reduction of annual electricity cost. The comparison is conducted based on the residential load and irradiation data from the Netherlands. The effect of different PV generation is also analyzed by...conference paper 2016
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Liu, Zhihao (author), Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)This paper provides an empirical study on series arc behavior in low voltage dc microgrids. The response of an R-L-C dc microgrid abstraction towards series arcs is studied experimentally for varying grid inductance, dc voltages, load capacitances and load currents. In order to account for the stochastic nature of arcs, experiments are...conference paper 2017
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Norouzi, F. (author), Ramirez Elizondo, L.M. (author), Hoppe, T. (author), Bauer, P. (author)The dynamic behaviour - steady-state and transient - of the DC Microgrids during power disturbance can affect the system’s general performance. A hybrid combination of energy storage devices with slow frequency response, like a Fuel Cell, and with a fast dynamic response, like a Super-Capacitor, provides an improved dynamic response to stabilise...conference paper 2021
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Kouwerberg, Sang Jae (author), Alpizar Castillo, J.J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Batteries are one of the main tools to provide the flexibility distribution and transmission systems need due to their increasing dependence on weather conditions. However, environmental and economic factors pose a significant problem. New types of batteries that do not rely on rare earth metals and organic solvents but instead use water and...conference paper 2023
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Alpizar Castillo, J.J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)The energy transition requires electrical alternatives for domestic heating. Heat pumps are the most common alternatives to gas boilers. However, heat pumps consume a significant amount of electrical power. We simulated an 18-node low voltage network with five buildings with six apartments each to evaluate the effect of deploying heat pumps as...conference paper 2023
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Geraedts, M. (author), Alpizar Castillo, J.J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Fifth-generation energy networks are combined networks of heat and electricity, that have the ability to generate, distribute, store and share energy between consumers. Knowledge on the dynamic behaviour of the physical phenomena related to energy generation, distribution and storage provides insight into the performance of the system as a whole...conference paper 2022
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Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Since shipboard power systems are inherently islanded and consist of energy intensive sources and loads, it is an interesting application for dc microgrids. The object of this paper is to explore the merits of dc based shipboard power distribution as compared to conventional ac solutions. A survey of current initiatives, emerging concepts and...conference paper 2017
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Mackay, L.J. (author), Hailu, T.G. (author), Chandra Mouli, G.R. (author), Ramirez Elizondo, L.M. (author), Ferreira, Jan Abraham (author), Bauer, P. (author)The traditional ac power system is challenged by the increased amount of distributed energy resources. Enormous changes and investments are necessary in order to achieve an ac smart grid capable of coping with the challenges introduced. In dc, solutions seem to be more straightforward since most of the distributed energy sources and most of the...conference paper 2015
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Marafante, E (author), Mackay, L.J. (author), Hailu, T.G. (author), Chandra Mouli, G.R. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)DC microgrids can connect directly dc renewable energy sources with increasing amount of dc loads. In this paper it is looked for possible architectures for integrating PV panels into dc microgrids, by means of microconverter strings. Three topologies are considered, featuring only buck microconverters and only boost microconverters, since they...conference paper 2015
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Shekhar, A. (author), Kontos, E. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)A practical issue faced by today's ac grid is the rapidly growing power demand on its aging infrastructure. One possibility to maximize the capacity of the existing infrastructure is to refurbish the ac links to operate under dc conditions using modular multilevel converters. In this paper, the idea is applied to restructure an actual medium...conference paper 2018
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Shekhar, A. (author), Feng, X. (author), Hebner, R. (author), Gattozzi, A. (author), Strank, S. (author), Mor, A. R. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)The thermal behavior of medium voltage dc cables can find useful applications for efficient and capacity enhanced operation in cities as well as compact power transmission on all electric ships. Concepts such as dynamic current and voltage rating, difference in thermal proximity in ac and dc operation, pulsed load application and thermal...conference paper 2018
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Liu, Zhihao (author), Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Localization of series arc faults in dc microgrids is an important requirement to guarantee operational safety and uninterrupted power to end users. In the previous EPE-ECCE proceeding, a theoretical proof was provided for the selective series arc detection using a novel algorithm. In the current paper, the concept is validated by showcasing...conference paper 2017
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Stecca, M. (author), Vermeer, W.W.M. (author), Soeiro, Thiago B. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author), Palensky, P. (author)This paper discusses the design and optimization of electric vehicles’ fast-charging stations with on-site photovoltaic energy production and a battery energy storage system. Three scenarios, varying the number of chargers, distance from the main grid, and on-site photovoltaic generation potential, are investigated. Such scenarios are...conference paper 2022
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Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)The role of MVDC links for distribution network expansion is important. The distribution network operators (DNOs) can maximize the power transfer capacity of existing grid infrastructure during (n-1] contingencies using reconfigurable parallel ac-dc architecture. In addition this concept involves a range of efficiency, reliability and...conference paper 2018
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Shekhar, A. (author), Ramirez Elizondo, L.M. (author), Qin, Z. (author), Bauer, P. (author)Back-to-back Modular multilevel converters (MMC) for medium voltage dc (MVDC) distribution link applications offer exciting opportunities due to its superior harmonic performance and high efficiency. Based on the steady state equations, it is shown that under specific active and reactive power operation, an increase in dc link voltage can be...conference paper 2018
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Bandyopadhyay, S. (author), Dong, J. (author), Ramirez Elizondo, L.M. (author), Bauer, P. (author)Inductive power transfer (IPT) is gaining popularity across a wide range of battery charging applications like biomedical, consumer electronics and electric vehicle (EV) charging. One of the major challenges in designing IPT charge pads is determining the optimal physical sizes of the magnetic couplers resulting in efficient power transfer...conference paper 2018