DC-Microgrid Operation Planning for an Electric Vehicle Supply Infrastructure

Aluisio, Benedetto; Bruno, Sérgio; Bellis, Luca De; Dicorato, Maria; Forte, Giuseppe; Trovato, M.

doi:10.3390/app9132687

Cited by 39 publications

(25 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Furthermore, the LVDC backbone could also be a way to optimise the electrical vehicle (EV) infrastructure integration in the low voltage distribution grid. Advantages of EV integration on DC are inter alia simplified control and better efficiency [55,56]. These advantages could be quantified during later investigations.…”

Section: Further Investigationmentioning

confidence: 99%

A Low-Voltage DC Backbone with Aggregated RES and BESS: Benefits Compared to a Traditional Low-Voltage AC System

et al. 2021

View full text Add to dashboard Cite

The increasing penetration of PV into the distribution grid leads to congestion, causing detrimental power quality issues. Moreover, the multiple small photovoltaic (PV) systems and battery energy storage systems (BESSs) result in increasing conversion losses. A low-voltage DC (LVDC) backbone to interconnect these assets would decrease the conversion losses and is a promising solution for a more optimal integration of PV systems. The multiple small PV systems can be replaced by shared assets with large common PV installations and a large BESS. Sharing renewable energy and aggregation are activities that are stimulated by the European Commission and lead to a substantial benefit in terms of self-consumption index (SCI) and self-sufficiency index (SSI). In this study, the benefit of an LVDC backbone is investigated compared to using a low-voltage AC (LVAC) system. It is found that the cable losses increase by 0.9 percent points and the conversion losses decrease by 12 percent points compared to the traditional low-voltage AC (LVAC) system. The SCI increases by 2 percent points and the SSI increases by 6 percent points compared to using an LVAC system with shared meter. It is shown that an LVDC backbone is only beneficial with a PV penetration level of 65% and that the BESS can be reduced by 22% for the same SSI.

show abstract

Section: Further Investigationmentioning

confidence: 99%

A Low-Voltage DC Backbone with Aggregated RES and BESS: Benefits Compared to a Traditional Low-Voltage AC System

et al. 2021

View full text Add to dashboard Cite

show abstract

“…Four papers are included on this topic. A direct current (DC) microgrid based on PV-storage is presented in [7,8]. For the islanding operation mode that requires a backup power source, the classical diesel generator, which start-up is assisted by supercapacitors, is used in [7]; the proposed power management strategy controls a dynamic load as well as economic operating mode of the diesel generator.…”

Section: Advances On Intelligent Energy Management Systemsmentioning

confidence: 99%

“…For the islanding operation mode that requires a backup power source, the classical diesel generator, which start-up is assisted by supercapacitors, is used in [7]; the proposed power management strategy controls a dynamic load as well as economic operating mode of the diesel generator. Based on mixed-integer linear procedure, [8] suggests the optimal operation planning of a DC microgrid supplying EVs optimizing daily operational costs considering the PV production and EVs exploitation forecast. On the other hand, EVs changing station may help the power grid to improve the automatic generation control performance by cost consensus algorithm applications [9] or to minimize the load peak by adopting an intelligent scheduling system [10].…”

Section: Advances On Intelligent Energy Management Systemsmentioning

confidence: 99%

Intelligent Energy Management of Electrical Power Systems

Sechilariu

2020

Applied Sciences

View full text Add to dashboard Cite

Smart grid implementation is facilitated by multi-source energy systems development, i.e., microgrids, which are considered the key smart grid building blocks. Whether they are alternative current (AC) or direct current (DC), high voltage or low voltage, high power or small power, integrated into the distribution system or the transmission network, multi-source systems always require an intelligent energy management that is integrated into the power system. A comprehensive intelligent energy system aims at providing overall energy efficiency with regard to the following: increased power generation flexibility, increased renewable generation systems, improved energy consumption, reduced CO2 emission, improved stability, and minimized energy cost. This Special Issue presents recent key theoretical and practical developments that concern the models, technologies, and flexible solutions to facilitate the following optimal energy and power flow strategies: the techno-economic model for optimal sources dispatching (mono and multi-objective energy optimization), real-time optimal scheduling, and real time optimization with model predictive control.

show abstract

“…Thus, it is expected that the purchasing of electric vehicles (EVs) would increase to mitigate these environmental issues. Some papers have proposed the control, operation, and planning of DC microgrids with the incorporation of EVs [8][9][10]. Moreover, EVs own a key component, which is an electric battery that has recently received considerable attention since it is an energy storage system.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Impact of Electric Vehicle Batteries in the Non-Linear Control of DC Microgrids

et al. 2021

View full text Add to dashboard Cite

Several efforts need to be performed in transportation and energy production to mitigate the current environmental issues that are related to fossil fuel use. The implementation of DC microgrids and the use of electric vehicles seem to be an adequate solution. However, various technical challenges have to be addressed, like grid stability issues. Thus, this case report assesses the impact of an electric vehicle load in a DC microgrid, subject to nonlinear control theory. The EV battery pack is modeled and simulated. Subsequently, it is included as a load in an available model of nonlinear control of DC microgrids. The results demonstrate high stability with this new load and the feasibility of its implementation.

show abstract

DC-Microgrid Operation Planning for an Electric Vehicle Supply Infrastructure

Cited by 39 publications

References 53 publications

A Low-Voltage DC Backbone with Aggregated RES and BESS: Benefits Compared to a Traditional Low-Voltage AC System

A Low-Voltage DC Backbone with Aggregated RES and BESS: Benefits Compared to a Traditional Low-Voltage AC System

Intelligent Energy Management of Electrical Power Systems

Assessment of the Impact of Electric Vehicle Batteries in the Non-Linear Control of DC Microgrids

Contact Info

Product

Resources

About