Recovery of Trains’ Braking Energy in a Railway Micro-Grid Devoted to Train plus Electric Vehicle Integrated Mobility

Menicanti, S.; Benedetto, Marco Di; Marinelli, Davide; Crescimbini, Fabio

doi:10.3390/en15041261

Cited by 8 publications

(2 citation statements)

References 38 publications

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“…One of the areas in which an important boost is expected is related to ships [92][93][94]. The use of these DC microgrids associated with the supply of the trains is another perspective [95][96][97][98]. Data centers are installations in which DC microgrids have already been used with success [99,100].…”

Section: Perspectivesmentioning

confidence: 99%

“…A summary of the possible applications of DC microgrids and the corresponding relevant references associated with each of the applications is presented in Table 4. Trains [95][96][97][98] Data Centers [99,100] Some insights about what the future of DC electrical distribution infrastructures can be is presented in this paper. The accomplishment of these approaches can change the actual electrical distribution system in a huge way.…”

Section: Perspectivesmentioning

confidence: 99%

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DC Microgrids: Benefits, Architectures, Perspectives and Challenges

Pires

Cordeiro

2023

Energies

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One of the major paradigm shifts that will be predictably observed in the energy mix is related to distribution networks. Until now, this type of electrical grid was characterized by an AC transmission. However, a new concept is emerging, as the electrical distribution networks characterized by DC transmission are beginning to be considered as a promising solution due to technological advances. In fact, we are now witnessing a proliferation of DC equipment associated with renewable energy sources, storage systems and loads. Thus, such equipment is beginning to be considered in different contexts. In this way, taking into consideration the requirement for the fast integration of this equipment into the existing electrical network, DC networks have started to become important. On the other hand, the importance of the development of these DC networks is not only due to the fact that the amount of DC equipment is becoming huge. When compared with the classical AC transmission systems, the DC networks are considered more efficient and reliable, not having any issues regarding the reactive power and frequency control and synchronization. Although much research work has been conducted, several technical aspects have not yet been defined as standard. This uncertainty is still an obstacle to a faster transition to this type of network. There are also other aspects that still need to be a focus of study and research in order to allow this technology to become a day-to-day solution. Finally, there are also many applications in which this kind of DC microgrid can be used, but they have still not been addressed. Thus, all these aspects are considered important challenges that need to be tackled. In this context, this paper presents an overview of the existing and possible solutions for this type of microgrid, as well as the challenges that need to be faced now.

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