hybrid electrical vehicles
Post on 13-Sep-2014
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WELCOMEWELCOME
HYBRID ELECTRIC VEHICLESHYBRID ELECTRIC VEHICLES
PRESENTED BY- DEEPAK KESHRI
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WHAT IS A HYBRID VEHICLE?WHAT IS A HYBRID VEHICLE?
Any vehicle which combines two or Any vehicle which combines two or more sources of power.more sources of power.
Examples:Examples: Diesel – electricDiesel – electric Nuclear – electricNuclear – electric Gasoline - electricGasoline - electric
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HYBRID STRUCTUREHYBRID STRUCTURE
The two power sources found in hybridThe two power sources found in hybrid vehicles may be combined in different vehicles may be combined in different
ways, either in parallel or seriesways, either in parallel or series
Either one will allow the gasoline Either one will allow the gasoline engine to shut down when it is not engine to shut down when it is not
needed.needed.
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PARALLEL HYBRIDPARALLEL HYBRID
Gasoline motorGasoline motor Batteries which Batteries which
powers an electric powers an electric motormotor
Both can power the Both can power the transmission at the transmission at the same timesame time
Electric motor Electric motor supplements the supplements the gasoline enginegasoline engine
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SERIES HYBRIDSERIES HYBRID Gasoline motor turns Gasoline motor turns
a generatora generator Generator may either Generator may either
charge the batteries charge the batteries or power an electric or power an electric motor that drives the motor that drives the transmissiontransmission
At low speeds is At low speeds is powered only by the powered only by the electric motorelectric motor
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HIGH VOLTAGE ELECTRICAL HIGH VOLTAGE ELECTRICAL SYSTEMSSYSTEMS
Power for the electric motor is Power for the electric motor is supplied by high-voltage nickel-metal supplied by high-voltage nickel-metal hydride batteryhydride battery
Batteries for all hybrids are produced Batteries for all hybrids are produced by Panasonic EV Energy in Japanby Panasonic EV Energy in Japan
Voltage ranges from 144 volts to 650 Voltage ranges from 144 volts to 650 volts of DC currentvolts of DC current
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HIGH VOLTAGE ELECTRICAL HIGH VOLTAGE ELECTRICAL SYSTEMSSYSTEMS
High voltage wiring may color coded High voltage wiring may color coded orange, bright blue or even yelloworange, bright blue or even yellow
Batteries vary in design, however, all Batteries vary in design, however, all incorporate individual cells incorporate individual cells connected to one anotherconnected to one another
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BATTERIESBATTERIES
Individual cells originally contained Individual cells originally contained liquid potassium hydroxideliquid potassium hydroxide
The liquid is almost totally absorbed The liquid is almost totally absorbed by the paper membranes inside each by the paper membranes inside each cell of the batterycell of the battery
Because the liquid is absorbed these Because the liquid is absorbed these batteries are considered “dry cell” batteries are considered “dry cell” batteriesbatteries
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BATTERIESBATTERIES
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BATTERY RECHARGINGBATTERY RECHARGING
The Ni-MH batteries are recharged The Ni-MH batteries are recharged through a process call regenerative through a process call regenerative brakingbraking
Regenerative braking takes energy from Regenerative braking takes energy from the forward momentum of the vehicle the forward momentum of the vehicle and captures it while coasting or braking.and captures it while coasting or braking.
Occasionally batteries are recharged by Occasionally batteries are recharged by the electric motorthe electric motor
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WHO’S MAKING HYBRIDS WHO’S MAKING HYBRIDS NOW?NOW?
HondaHonda• AccordAccord• CivicCivic• InsightInsight
ToyotaToyota• PriusPrius• CamryCamry• HighlanderHighlander
FordFord• EscapeEscape
MazdaMazda• TributeTribute
SaturnSaturn• VueVue
LexusLexus• RX 400h SUVRX 400h SUV• GS 450hGS 450h• LS 600h LLS 600h L
MercuryMercury• Mariner SUVMariner SUV
DodgeDodge• Ram – contractor’s editionRam – contractor’s edition
General MotorsGeneral Motors• Silverado and Sierra Silverado and Sierra • MalibuMalibu• Tahoe/YukonTahoe/Yukon
NissanNissan• AltimaAltima• VersaVersa
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SUMMARYSUMMARYDue to the proliferation of hybrid vehicles Due to the proliferation of hybrid vehicles
on the road today, responders must be on the road today, responders must be familiar with how these vehicles operate, familiar with how these vehicles operate, and how to handle an emergency which and how to handle an emergency which
involves one of these vehicles.involves one of these vehicles.Additionally, responders must stay up-to-Additionally, responders must stay up-to-
date with current vehicle technology, as date with current vehicle technology, as it is continuously changing.it is continuously changing.
THANK YOUTHANK YOU
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