نتایج جستجو برای: electric vehicle ev

تعداد نتایج: 268299  

2016
A. S. Viswanathan

An electric vehicle (EV), otherwise called as an electric drive vehicle uses one or more electric motors or traction motors to create the driving force needed for motion. Considering the power supply for vehicle computer and electronics, battery and DC-DC converter is required. To achieve the required voltage levels, power converters and inductances are required. Resonant converters are popular...

2016
Ivana Semanjski Sidharta Gautama

Car-sharing practices are introducing electric vehicles (EVs) into their fleet. However, the literature suggests that at this point shared EV systems are failing to reach satisfactory commercial viability. A potential reason for this is the effect of higher vehicle usage, which is characteristic of car sharing, and the implications on the battery’s state of health (SoH). In this paper, we forec...

2017
Vítor Monteiro J. G. Pinto J. C. Aparício Fernandes João Luiz Afonso

An experimental comparison of single-phase active rectifiers for electric vehicle (EV) battery chargers is presented and discussed. Active rectifiers are used in on-board EV battery chargers as front-end converters to interface the power grid aiming to preserve the power quality. In this paper, four topologies of active rectifiers are compared: traditional power-factor-correction; symmetrical b...

2013
G. Cardoso M. Stadler M. C. Bozchalui R. Sharma C. Marnay A. Barbosa-Póvoa P. Ferrão

The large scale penetration of electric vehicles (EVs) will introduce technical challenges to the distribution grid, but also carries the potential for vehicle-to-grid services. Namely, if available in large enough numbers, EVs can be used as a distributed energy resource (DER) and their presence can influence optimal DER investment and scheduling decisions in microgrids. In this work, a novel ...

Journal: :Network Protocols & Algorithms 2013
Keiko Karaishi Masato Oguchi

Recently, attention has been focused on whether the Smart Grid could work efficiently in an energy network. The subject of our study is the electric vehicle (EV), which has been proposed as a potential chargeable/dischargeable part of the power grid infrastructure. As energy is transferred between an EV and the power grid, it is possible to regulate energy on the entire grid via charging and di...

2017
ADAM JOHNSTON

Have you ever wondered what it would be like to have a self-sustained charging system that does not cost you any money on your electric bill? Electric car owners know that even though their cars do not require gasoline to run, they will require electricity and like everyone else that is tied to the grid will have to pay a price per kilowatt hour that is determined by their utility company. With...

2002
Tsutomu Uesugi

Electronics technology is indispensable for improving automotive performance. Especially, in electric vehicles (EV) and hybrid electric vehicles (HEV), electric systems are the heart of the automobile. Power devices are one of the most important components of car electronics systems and they are applied to many systems, for example, oil-pressure valve control of the ABS system, and motor contro...

2012
Changxu Wu Jingyan Wan Guozhen Zhao

The electric vehicle (EV) has been developing rapidly and predicting the lifetime of Li-ion batteries in EVs has become an important issue. Characteristics of human drivers and the battery configuration interact and both play important roles in determining EV battery lifetime. Moreover, due to the relatively high cost of real EVs and long testing time for battery life of EVs, it is important to...

2013
Jaeyoung Jung R. Jayakrishnan Keechoo Choi

Electric Vehicles (EVs) are energy-efficient and often presented as a zero-emission transport mode to achieve longer-term decarbonization visions in the transport sector. The implementation of a sustainable transportation environment through EV utilization, however, requires the addressing of certain cost and environmental concerns, before its full potential can be realized. These include EVs’ ...

Journal: :journal of operation and automation in power engineering 2015
a. badri k. hoseinpour lonbar

this paper proposes a novel decision making framework for an electricity retailer to procure its electric demand in a bilateral-pool market in presence of charging and discharging of electric vehicles (evs). the operational framework is a two-stage programming model in which at the first stage, the retailer and ev aggregator do their medium-term planning. determination of retailer's optimum sel...

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