نتایج جستجو برای: electric vehicles evs
تعداد نتایج: 194394 فیلتر نتایج به سال:
Nowadays the air pollution and economical issues are the major driving forces in developing electric vehicles (EVs). In recent years EVs and hybrid electric vehicles (HEVs) are the only alternatives for a clean, efficient and environmentally friendly urban transportation system (Jalalifar et al., 2007). The electric vehicle (EV) appears poised to make a successful entrance to the personal vehic...
As the number of electric vehicles (EVs) grows, their electricity demands may have significant detrimental impacts on electric power grid when not scheduled properly. In this paper, we model an EV charging system as a cyber-physical system, and design a decentralised online EV charging scheduling algorithm for large populations of EVs, where the EVs can be highly heterogeneous and may join the ...
China had set an ambitious development target of electric vehicles (EVs) to mitigate the environmental pollution. However, the actual situation of EVs far lagged behind the goals. This paper analyzes the elements impeding EVs’ development, which are identified into four contributors, including deficient EV subsidy policies, embarrassed EV market, local protectionism, and unmatched charging infr...
ecarbonization of transport via replacing fossil fueled vehicles with electric ones, has been recognized worldwide as a key measure to tackle the challenges of climate change and environmental pollution due to green house gas emissions. Electric vehicles (EVs), which are considered by many governments as strategic industry of national importance, have seen rapid development and breakthroughs in...
In the wake of growing concerns over petroleum supplies and air pollution, electric vehicles (EVs) – including hybrid electric vehicles (HEVs) – are being developed and refined as cost-effective, reliable and safe alternatives to conventional gasoline and diesel engines. The race is on to design electric batteries as the power source for this new class of vehicles. Competition is intense and th...
I N RECENT TIMES, wireless power charging of electric vehicles (EV) has gained huge attentions. Static wireless charging for EVs has seamlessly been achieved using the inductive power transfer (IPT) technology. More recently, dynamic (also termed in-motion) wireless charging with IPT technology has been successfully demonstrated for electric mass transportation means like electric trains, trams...
The benefits of integrating aggregated Electric Vehicles (EV) within the Virtual Power Plant (VPP) concept, are addressed. Two types of EV aggregators are identified: i) Electric Vehicle Residential Aggregator (EVRA), which is responsible for the management of dispersed and clustered EVs in a residential area and ii) Electric Vehicle Commercial Aggregator (EVCA), which is responsible for the ma...
The demand for Electric Vehicles (EVs) has increased during the last years, especially after the peak oil prices experienced in the year 2008. In spite of, in general, EVs being associated to a cleaner and more efficient mobility, the benefits of substituting conventional Internal Combustion Vehicles (ICVs) by EVs must be evaluated. In this regard, in the present paper, it is compared the energ...
In this paper, a new structure of axial flux switched reluctance motors (AFSRMs) is proposed. Different combinations of rotors and stators affect motor torque and its performance. In this regard, changing the stator structure of the AFSRM leads to better results for torque and magnetic flux. The advantages of the proposed structure are short flux path, segmental rotor with improved flux density...
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