Utilization of electric vehicles and renewable energy sources used as distributed generators for improving characteristics of electric power distribution systems

Fathabadi, Hassan

doi:10.1016/j.energy.2015.06.063

Cited by 87 publications

(38 citation statements)

References 37 publications

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“…The use of the cool storage air conditioning improves the utilization of base-load generating stations and avoids costly peaking stations, and a case study in the Thai power system estimated 25% reduction in peak demand [5]. It is proposed that the large-scale promotion of EVs or PHEVs equipped with V2G systems will bring great effects on power systems in Denmark, Finland, Germany, Norway and Sweden [6]. As shown in [7], a time-of-use (TOU) tariff system implemented in Chile could promote a 5% savings in power consumption during the peak period by comparing with the current systems, and provide distribution companies a total potential benefit of 811.7 million dollar for the 3-year study period (2005)(2006)(2007).…”

Section: Introductionmentioning

confidence: 99%

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

He¹,

Chen²,

Yang

et al. 2018

Prot Control Mod Power Syst

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The economy of distribution networks largely depends on the utilization rate of distribution network equipment. Most of the emerging intelligent power consumption technologies have a positive effect on equipment utilization and their use can save investment of distribution networks. In this paper, the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment is reviewed. The evaluation methods and indexes are assessed first and then intelligent power consumption equipment with energy storage function, vehicle-to-grid (V2G) technology and time-of-use (TOU) tariff are reviewed respectively. It is concluded that these intelligent power consumption technologies and measures have great potential to improve utilization rate of distribution network equipment because of their effective improvement to power load. Meanwhile, recommendations on how to utilize these intelligent power consumption technologies to improve utilization rate of distribution network equipment are proposed.

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Section: Introductionmentioning

confidence: 99%

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

He¹,

Chen²,

Yang

et al. 2018

Prot Control Mod Power Syst

View full text Add to dashboard Cite

show abstract

“…By applying an optimal coordinated dispatch strategy of EVs with V2G operation and RGs, those issues that they might cause can be addressed. Furthermore, they may be even capable of providing operational support to the power grid and decreasing the total electric power production cost [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…In this work, a novel agent-based coordinated dispatch strategy for EVs and RGs is developed for real-time application, which aims at satisfying the concerns and requirements of both EV users and the grid, including 1. cost, as saving charging cost is a very common request of EV users, which are taken into account in many publications [13,14,18,19]; 2. sufficient SOC for the next journey, which is important because mobility is the basic function of an EV, as considered in many researches [1,11,13,19,21]; 3. improved utilization of renewable energy, because it is crucial for carbon emission reduction, as discussed earlier and in [1,5,7,8]; 4. load levelling, which is one of the main grid operational support that EV batteries can provide and is also discussed in many papers [9,15,19,24]. In this strategy, each node in the network is represented by an software agent which is only aware of the elements that are locally connected to it and manages the dispatch of EVs and RGs connected to it, based on information received from the agents of other nodes that are directly linked to it, so that the stability of the network is ensured and all the objectives of dispatch are best achieved.…”

Section: Introductionmentioning

confidence: 99%

Optimal coordination of vehicle-to-grid batteries and renewable generators in a distribution system

Wang

Sharkh

Chipperfield

2016

Energy

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The increasing penetration of electric vehicles (EVs) and renewable generators (RGs) in the power grid is an inevitable trend to combat air pollution and reduce the usage of fossil fuels. This will challenge distribution networks, which have constrained capacity. However, appropriate dispatch of electric vehicles via vehicle-to-grid (V2G) operation in coordination with the distributed renewable generators can provide support for the grid, reduce the reliance on traditional fossil-fuel generators and benefit EV users. This paper develops a novel agent-based coordinated dispatch strategy for EVs and distributed renewable generators, taking into account both grid's and EV users' concerns and priorities. This optimal dispatch problem is formulated as a distributed multi-objective constraint optimisation problem utilizing the Analytic Hierarchy Process and is solved using a dynamic-programming-based algorithm. The proposed strategy is tested on a modified UK Generic Distribution System (UKGDS). The electricity network model is simplified using a virtual sub-node concept to alleviate the computation burden of a node's agent. Simulation results demonstrate the feasibility and stability of this dispatch strategy.

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“…This control mechanism can 270 reduce supply and customer side cost and enhance power sys-271 tem operating conditions [37]. Several studies have examined 272 various aspects for PEVs charging scheduling in [21, [38][39][40][41]. 273 Game theoretic based scheduling approaches for addressing the 274 overload problem associated with the charging demand of PEVs 275 are proposed in [38,39].…”

mentioning

confidence: 99%

“…A predictive approach for 278 charging demand of the PEVs is provided in [41]. In [21,40], the operation constraints of PEVs when working as distributed 280 energy storage systems in a grid are described.…”

mentioning

confidence: 99%

Reputation-based joint scheduling of households appliances and storage in a microgrid with a shared battery

AlSkaif

Luna

Zapata

et al. 2017

Energy and Buildings

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Due to the decreasing revenues from the surplus renewable energy injected into the grid, mechanisms promoting self-consumption of this energy are becoming increasingly important. Demand Response (DR) and local storage are among the widely used mechanisms for reaching higher self-consumption levels. Deploying a shared storage unit in a residential microgrid is an alternative scenario that allows households to store their surplus renewable energy for a later use. However, this creates some challenges in managing the battery and the available energy resource in a fair way. In this paper, a reputation-based centralized Energy Management System (EMS) is proposed to deal with these issues by considering households' reputations in the reallocation of available energy in the shared storage unit. This framework is used in an optimization problem, in which the EMS jointly schedules households' appliances power consumption and the energy that each household can receive from the storage unit. The scheduling problem is formulated as a Mixed Integer Linear Programming (MILP) with the objective of minimizing the amount and price of energy absorbed from the main grid. The MILP problem is coded in GAMS and solved using CPLEX. Numerical analysis is conducted using real data of renewable energy production and appliances' demand profiles for different classes of households and different annual periods in Spain. Simulation results of the different scenarios show that by using the proposed framework higher cost savings can be achieved, in comparison with the classical scheduling scenario. The saving can reach up to 68% when different classes of households exist in the microgrid. The results also show that the fairness in energy allocation is guaranteed by the reputation-based policy, and that the total power absorbed from the main grid by the whole microgrid is significantly decreased.

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Utilization of electric vehicles and renewable energy sources used as distributed generators for improving characteristics of electric power distribution systems

Cited by 87 publications

References 37 publications

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

Optimal coordination of vehicle-to-grid batteries and renewable generators in a distribution system

Reputation-based joint scheduling of households appliances and storage in a microgrid with a shared battery

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