21-06-2013, 03:04 PM
Plug-In Hybrid Electric Vehicle(PHEV) Technology
Plug-In Hybrid Electric.docx (Size: 13.88 KB / Downloads: 40)
Abstract:
Plug-in hybrid electric vehicles (PHEVs) have emerged as a promising technology that uses electricity to displace fuel consumption in the automobile fleet. A plug-in hybrid electric vehicle (PHEV)is the one which differs from a hybrid-electric vehicle (HEV) with its ability to recharge its electrochemical energy storage with electricity from an off-board source such as the electricity grid as well as with an another advancement called regenerative braking. The vehicle can then drive in a charge-depleting (CD) mode that reduces the system’s state of charge (SOC) thereby using electricity to displace fuel that would otherwise have been consumed. None of today’s hybrid vehicles have sufficient energy storage to warrant recharging from grid electricity nor does it allow the vehicle to cover the full performance range by electric driving. However, PHEVs are designed to do both by the addition of significantly more energy storage to the hybrid system. Thus PHEVs could allow users to improve fuel economy significantly over a standard hybrid vehicle, and depending on daily driving requirements and vehicle design, they may have the ability to eliminate fuel consumption entirely for daily vehicle trips with negligible emissions.
This presentation covers the working procedure of a PHEV, its advantages including fuel efficiency, operating costs as well as greenhouse gas emissions and its disadvantages including its manufacturing cost together in comparison with a hybrid-electric vehicle(HEV). It also includes examples of Toyota Prius Hybrid the only PHEV in Indian market and BMW-i8 concept which boosts the technological advancement with its high power output and speed.