نتایج جستجو برای: electric vehicles
تعداد نتایج: 192720 فیلتر نتایج به سال:
In a world where environment protection and energy conservation are growing concerns, the development of electric vehicles (EV) and hybrid vehicles (HEV) has taken on an accelerated pace. Electricity is gaining more importance in critical applications such as transportation (with more electric aircrafts and electric vehicles) where continuity of operation is crucial and there is a growing deman...
With the growing penetration of the electric vehicles to our daily life owing to their economic and environmental benefits, there will be both opportunities and challenges to the utilities when adopting plug-in electric vehicles (PEV) to the distribution network. In this paper, a thorough analysis based on real-world project is conducted to evaluate the impacts of electric vehicles infrastructu...
In the last decade a rapidly growing interest in electrification of transport passenger cars could be noticed. The major motivation are the problems related to the use of fossil fuels in the transport sector such as crude oil dependency, greenhouse gas emissions (GHG) and air pollution. Electric vehicles (EV) are often presented as zero-emission vehicles. However, from a lifecycle CO2 perspecti...
Many efforts have been made to reduce emissions into the atmosphere in the past 25 years, however the number of cars on the road and the average number of miles driven has been steadily increasing. Vehicle exhaust accounts for almost half of the ozone forming emissions produced in California. A mass switch-over to HEVs would reduce emissions into the atmosphere and reduce US dependence on forei...
Today, charging of EVs generally takes place at home. Just a few charging stations are available in public areas – as part of model studies. Since vehicles are parked frequently, e.g. while shopping or at work, they can be charged during these times. In the future, a broadly based and standardized infrastructure will be built up for this purpose. It has to offer a standardized mechanism for cha...
Climate change is a serious challenge of today. In order to reach the ambiguous mitigation scenarios for greenhouse gases, strong efforts are to be undertaken. Electric vehicles are seen as a potential mean to reduce emissions and energy import dependencies of most western societies. So far, the progress towards more electric vehicles in individual passenger transport is still slow. The objecti...
Automotive Industry is targeting sustainable transportation in near future. Therefore hybrid and electric vehicles are going to be popular due to their sustainability, energy saving and zero emission. Electric motors play significant role in EV’s. In-wheel motor technology is being used in modern electric vehicles to improve efficiency, safety and controllability of vehicle nowadays. BLDC motor...
1. Introduction There is a growing demand for power semiconductors applied to motor drive inverters for electric vehicles (EVs) and hybrid electric vehicles (HEVs). Based on the results of the development and mass production of automotive power semiconductors, which require very high reliability and functionality, Mitsubishi Electric has developed the J-Series Intelligent Power Modules (IPMs) a...
One promising technology to interface battery packs in electric and hybrid electric vehicles are multilevel converters. In the work presented here, it is shown how the switching times (angles) in a multilevel inverter can be chosen to achieve a required fundamental voltage and not generate speciÞc higher order harmonics. The method gives a complete solution to the problem in that all possible...
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