NDLI: Optimal charging and discharging for EVs in a V2G participation under critical peak conditions

Content Provider	IET Digital Library
Author	Sains, Navjot Singh Anbagi, Irfan Al
Abstract	Integrating electric vehicles (EVs) into the smart grid can support various services for the power grid through the vehicle-to-grid (V2G) system. In this study, the effects of critical peaks (CPs) on EVs’ charge/discharge process (CDP) while providing V2G services are critically investigated. A charge/discharge optimisation algorithm for EVs while considering varying charging costs and discharging incentives is proposed. Primarily, a probability model for the occurrence of CPs is formulated and incorporated in a time-of-use tariff plan. Considering the battery capacity loss in a CDP, an optimisation model is developed based on a non-linear programming model. An optimisation algorithm is proposed to enhance the EVs’ CDP. The goal is to obtain the least possible charging cost per day while facilitating the V2G services, especially in case of CPs. The effects of CPs on the per day charging cost while considering real-life scenarios are investigated. Furthermore, the dependence of the energy discharged by the EV on the number of estimated battery cycle life and the per day charging cost considering battery replacement is analysed.
Starting Page	136
Ending Page	143
Page Count	8
ISSN	20429738
Volume Number	8
e-ISSN	20429746
Issue Number	Issue 2, Jun (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-est/8/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-est.2017.0073
Journal	IET Electrical Systems in Transportation
Publisher Date	2017-12-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Battery Capacity Loss Battery Replacement CDP Charge-discharge Optimisation Algorithm Charging Cost Critical Peak Condition Discharging Incentives Electric Vehicle Electric Vehicle Charging Estimated Battery Cycle Life EV Charge-discharge Process Nonlinear Programming Nonlinear Programming Model Optimal Charging Optimisation Technique Power Grid Power System Economics Power System Managemen Power System Operation Probability Probability Model Smart Grid Smart Power Grid Statistics Tariffs Time-of-use Tariff Plan Transportation V2G Participation Vehicle-to-grid Vehicle-to-grid System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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