Abstract
In this paper, a novel approach for recharging electric vehicles (EVs) is proposed based on managing multiple discrete units of electric power flow, named energy demand particles (EDPs). Key similarities between EDPs and fluid particles (FPs) are established that allow the use of a smoothed particle hydrodynamics (SPH) method for scheduling the recharging times of EVs. It is shown, via simulation, that the scheduling procedure not only minimizes the variance of voltage drops in the secondary circuits, but it also can be used to implement a dynamic demand response and frequency control mechanism. The performance of the proposed scheduling procedure is also compared with alternative approaches recently published in the literature.
Highlights
A S the uptake of electric vehicles (EVs) increases, the recharging of EVs in residential electric power distribution systems will present significant operational challenges
As it is known that recharging an EV can represent a non-negligible load (10 kW to 30 kW) on the distribution system, if several EVs attempt to recharge at the same time, the secondary circuits and the distribution transformer can become overloaded [1]
When a recharging socket has started delivering electric power corresponding to an energy demand particles (EDPs), and has not finished yet, one can say that the EDP
Summary
A S the uptake of electric vehicles (EVs) increases, the recharging of EVs in residential electric power distribution systems will present significant operational challenges. As it is known that recharging an EV can represent a non-negligible load (10 kW to 30 kW) on the distribution system, if several EVs attempt to recharge at the same time, the secondary circuits and the distribution transformer can become overloaded [1] Under these circumstances, the voltage at customer premises might drop below acceptable and/or statutory limits. In line with the second approach, this paper proposes a novel method to coordinate the recharging of EVs with explicit. In comparison with random uncoordinated recharging, the method here proposed diminishes voltage drops and improves both security and adequacy of electric power systems.
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