Mobile battery‐integrated charging station for reducing electric vehicles charging queue and cost via renewable energy curtailment recovery

Abstract

Summary Today, charging electric vehicles (EVs) from the utility grid has resulted in high electricity costs besides enhanced emissions. On the other hand, increased renewable energy penetration has caused curtailing a considerable share of the produced energy. This paper aims at bridging the gap between these challenges utilizing mobile charging stations (MCS). Integrated with battery energy storage, the MCS shifts the curtailed renewable energy spatially and temporally for EV charging. To this end, a novel model is proposed for joint MCS spatio‐temporal status and battery power‐energy scheduling in the presence of fixed charging stations (FCSs). Besides, a new paradigm is introduced for EV charging management and queuing in both MCS and FCS. The excess curtailed renewable energy is stored in the MCS battery for EV charging later and at a different location. The numerical testing of the model denotes a 9.63% reduction in the daily operation cost. Besides, wind and solar energy curtailment are reduced by 15.60% and 54.60%, respectively. Additionally, the EV charging queue represents a 90% reduction while FCS empty sockets increase by 80%. The benefits for the grid include peak shaving, improved voltages, and increased renewable penetration.

Size Effect in SnO2/Al2O3 Core/Shell Nanowires after Battery Cycling

“…[1][2][3][4][5] Big cells have longer charging times and create higher temporal demand on the charging stations. [1][2][3][4][5][6][7] Not only is the charging time a disadvantage, but these batteries also degrade continuously with higher cycle numbers. [8] This results in an overall reduced lifetime of the battery and a gradual loss in capacity with each cycle.…”

A novel resilient concept for district energy system based on central battery and decentral hybrid generating resources

“…The diode current is denoted by ( 2) and the solar cell output power is modeled by (3). 12 The wind turbine output power is expressed as (4). Through ( 5) to (7), the general relationships to model wind turbines are obtained.…”

“…The DE is an integrated system that can supply the energy needs such as electricity, heating or cooling using existing local energy sources. Therefore, the coupling of DE and electricity systems is a criterion for the overall improvement of energy and economic efficiency 4 . Some DE advantages are the ability to use low‐cost technologies to meet energy needs and the ability to generate electricity from renewable energy 5 .…”

“…Therefore, the coupling of DE and electricity systems is a criterion for the overall improvement of energy and economic efficiency. 4 Some DE advantages are the ability to use lowcost technologies to meet energy needs and the ability to generate electricity from renewable energy. 5 The local energy market is defined as a set of energy producers and consumers who are located in a limited area and are interested in joining together to form so-called DE.…”

Energy management in standalone AC / DC microgrid with sectionalized ring bus and hybrid resources

“…In the event of a disturbance in the network, the microgrid is disconnected from the distribution network and operates as islanded. 4 This ability to create separate islands that continue their operation individually increases the reliability, affordability, quality and security of the grid. The microgrids provide cheap electricity at low prices, they are cost-effective and do not require long transmission lines.…”