Electric vehicles (EV) penetration in the distribution systems is evident and intended to grow day by day. Power quality issues pop up in the distribution system with an increase in EV penetration. Distribution networks need to consider the power quality issues developed due to the penetration of EVs for planning and designing the system. The power quality issues, including voltage imbalance, total harmonic distortion, distribution transformer failure, and related issues, are anticipated due to EV penetration in distribution systems. Detailed review of power quality issues and mitigation techniques are detailed in this paper. Discussion on the effect of these power quality issues on the distribution systems and corresponding mitigation measures are detailed. Power quality impact mitigation techniques have been discussed recently, which exploits the bidirectional power flow of vehicle to grid vehicle to grid (V2G) and grid to vehicle grid-to-vehicle (G2V). Methods and methodologies that mitigate power quality problems in the EV penetrated distribution system is discussed. Bidirectional power flow during EV charging and discharging and power quality issues in this topology is detailed in this review paper. A discussion on future trends and different possible future research paradigms is discussed as the review's conclusion.
Here this document provides the data about the batteries of electric vehicles. It consists of numerous data about various energy
storage methods in EVs and how it is different from energy storage of IC-engine vehicles. How electric vehicles will take over
ICEngine vehicles due to advancement in battery technology and the shrink in its prices. Various types of batteries are listed in the
document with their specifications. Possible future battery technology which will have more or same energy density than current
gasoline fuels and also with the significant reduction in battery weights; which will make EVs cheaper than current condition.
Some examples are listed showing current battery capacities of various EVs models. Some battery parameters are shown in the
document with introduction to BMS (Battery Management System). Then a brief introduction about the charging of these EV
batteries and its types displaying variations in charging time in different types of EVs according to their charger type and
manufacturers. How DC charging is more time saving method than AC and how smart charging will help to grid in case of peak
or grid failure conditions.
In Present scenario Internal Combustion Engines [ICE] is overcome by Electric Vehicles [EV] due to advantages like reduction in carbon-dioxide [CO 2 ] emission, cost. Advancement in electric vehicles are extensively going on and one such concept is Battery management system [BMS]in Battery Electric vehicle. In Battery Electric Vehicle there are many types of batteries and from the literature survey Lithium Ion Battery can be concluded to be suitable as it is advantageous in weight, cost, energy density and many aspects. The usage of Lithium-ion (Li-ion) batteries has increased significantly in recent years due to their long lifespan, high energy density, high power density, and environmental benefits. various internal and external faults can occur during the battery operation, leading to performance issues and potentially serious consequences, such as thermal runaway, fires, or explosion. In Battery electric vehicle Battery plays an important role. Battery may be overcharged or it may undergo faults. Hence a proper management system is required to control the Electric vehicle [EV] and it is called battery management system [BMS]. BMS has to be designed properly and major aspects to be taken care are State of Charge, State of Health, Cell balancing, Thermal heat dissipation, Temperature, Pressure.
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