zhigunova y.n, "engineering the electrical vehicle future"
Post on 11-Sep-2014
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Theme: Theme: ««Engineering the Engineering the Electrical Vehicle futureElectrical Vehicle future»»
Saint Petersburg Electrotechnical University "LETI"
1886
TEP Conference presentation
Student: Zhigunova Y.NStudent: Zhigunova Y.NManagers: Mikerov A. G.Managers: Mikerov A. G.
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The objectThe object ResearchResearch ofof engineering electric vehiclesengineering electric vehicles
it is necessary to consider following problems:it is necessary to consider following problems:
Battery typesBattery types Power densityPower density CostCost Environmentally-friendly batteriesEnvironmentally-friendly batteries
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Electric Vehicle (EV)Electric Vehicle (EV) uses one or more electric motors for propulsion uses one or more electric motors for propulsion
(instead of an internal combustion engine)(instead of an internal combustion engine) include electric cars, electric trains, electric lorries, include electric cars, electric trains, electric lorries,
electric aeroplanes, electric boats, electric electric aeroplanes, electric boats, electric motorcycles and scooters and electric spacecraftmotorcycles and scooters and electric spacecraft
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History of the electric History of the electric vehiclevehicle
Electric motive power started with a small Electric motive power started with a small drifter operated by a miniature electric motor, drifter operated by a miniature electric motor, built by Thomas Davenport in 1835.built by Thomas Davenport in 1835.
In England a patent was granted in 1840 for the In England a patent was granted in 1840 for the use of rails as conductors of electric current.use of rails as conductors of electric current.
On May, 22-23nd, 2010 midget car Daihatsu On May, 22-23nd, 2010 midget car Daihatsu Mira EV has passed 1003 kilometers and 184 Mira EV has passed 1003 kilometers and 184 meters on one charge of the accumulatormeters on one charge of the accumulator
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Battery searchBattery search Batteries are the Achilles' heel of Batteries are the Achilles' heel of
electric vehicles. It remains the sole electric vehicles. It remains the sole barrier to success.barrier to success.
One of the earliest One of the earliest rechargeable rechargeable batteries - the nickel-batteries - the nickel-iron battery - was iron battery - was favored by Edison for favored by Edison for use in electric cars.use in electric cars.
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Battery typesBattery types Lead-acidLead-acid Nickel metal hydrideNickel metal hydride Lithium ionLithium ion Fuel cellFuel cell
lead-acid car battery
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Electric motorElectric motor
The power of a vehicle electric The power of a vehicle electric motor, as in other vehicles, is motor, as in other vehicles, is measured in kilowatts (kW). measured in kilowatts (kW).
100 kW is roughly equivalent to 134 100 kW is roughly equivalent to 134 horsepowerhorsepower
Direct current (DC) electricity is fed Direct current (DC) electricity is fed into a DC/AC inverter where it is into a DC/AC inverter where it is converted to alternating current (AC) converted to alternating current (AC) electricityelectricity
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Main advantages of electric Main advantages of electric vehiclesvehicles
have less noise pollution than an have less noise pollution than an internal combustion engine vehicleinternal combustion engine vehicle
very simplevery simple mechanically mechanically possibility of additional charge from possibility of additional charge from
an electric network an electric network electricity is cheaper than gasolineelectricity is cheaper than gasoline
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Disadvantages of electric Disadvantages of electric vehiclesvehicles
often have long recharge timesoften have long recharge times recycling of batteries which often recycling of batteries which often
contain poisonous components contain poisonous components limited rangelimited range some energy needed to heat the some energy needed to heat the
interiorinterior charging stations are requiredcharging stations are required
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Advanced achievementsAdvanced achievements
2011 Chevrolet Volt2011 Chevrolet Volt
Eliica Battery Electric Car
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ConclusionConclusion
EV is perspective direction in EV is perspective direction in engineeringengineering
EV reduces consumption of organic EV reduces consumption of organic fuelfuel
EVEV is environmentally-friendly systemis environmentally-friendly system EV is cheaper than fossil fuel-powered EV is cheaper than fossil fuel-powered
vehicles vehicles
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Thank you for your Thank you for your attention!attention!
Zhigunova Y. N, 6597