Zhigunova Y.N, "Engineering the Electrical Vehicle future"

Theme: Theme: ««Engineering the Engineering the Electrical Vehicle futureElectrical Vehicle future»»

Saint Petersburg Electrotechnical University "LETI"

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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

Technology

Zhigunova Y.N, "Engineering the Electrical Vehicle future"