Elektriautod

Kaine, Evelin

Elektriautod (0)

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Tartu Kutsehariduskeskus
Autode ja masinate remondi osakond
Rainer Kaine
AT-109
Iseseisev töö
Electric cars
Instructor: Tauris Vijar
Tartu 2010

Introduction 3
What is a electric car 4
What types electric cars we have 4
Hybrid vehicle 4
Price 5
Some electric cars 7
Tesla Roadster 7
Nissan leaf 9
9
Electric cars in our county in Estonia 10
Used materials: 11

Introduction

In this essay i´m write electric cars and this how these cars are built , how easy is built electric car, how much costs electric cars. The problems for electric cars, there are many problems why peoples still can´t use quiet and more green cars. But even the electric car is not all green because the electricity produced for nuclear , coal, oil shale and natural gas. These ways to get electricity pollutes nature , the only difference between lies in the fact that pollution is in the one place .
Coal Electric power station
Oil shale power station in Narva

What is a electric car

An electric car is a plug-in battery powered automobile which is propelled by electric motor . Electric cars are a variety of electric vehicle (EV); the term "electric vehicle" refers to any vehicle that uses electric motors for propulsion, while "electric car" generally refers to road - going automobiles powered by electricity. While an electric car's power source is not explicitly an on- board battery, electric cars with motors powered by other energy sources are generally referred to by a different name: an electric car powered by sunlight is a solar car, and an electric car powered by a gasoline generator is a form of hybrid car. Thus, an electric car that derives its power from an on- board battery pack is a form of battery electric vehicle (BEV). Most often, the term "electric car" is used to refer to pure battery electric vehicles.

What types electric cars we have

Usual electric cars have a batterey and elecrtic motor jusr like toy cars.

Hybrid vehicle

Then we have already hybrid vehicle (HEV) is a type of hybrid vehicle and electric vehicle which combines a conventional internal combustion engine (ICE) propulsion system with an electric propulsion system. The presence of the electric powertrain is intended to achieve either better fuel economy than a conventional vehicle, or better performance .
Toyota prius
Plug in hybrid
A plug-in hybrid electric vehicle (PHEV or PHV), also known as a plug-in hybrid, is a hybrid vehicle with rechargeable batteries that can be restored to full charge by connecting a plug to an external electric power source ( usually simply a normal electric wall socket ). A PHEV shares the characteristics of both a conventional hybrid electric vehicle, having an electric motor and an internal combustion engine; and of an all-electric vehicle, also having a plug to connect to the electrical grid. Most PHEVs on the road today are passenger cars, but there are also PHEV versions of commercial vehicles and vans , utility trucks, buses, trains , motorcycles, scooters, and military vehicles.
Toyota prius in plug in Hybrid version

Price

Electric cars are more expensive than gasoline cars. The primary reason is the high cost of car batteries. US and British car buyers seem to be unwilling to pay more for an electric car. This prohibits the mass transition from gasoline cars to electric cars. A survey taken by Nielsen for the Financial Times has shown that 65 percent of Americans and 76 percent of Britons are not willing pay more for an electric car above the price of a gasoline car. also a report by J.D. Power and Associates claims that about 50 percent of U.S. car buyers are not even willing to spent more thanUS$5,000 on a green vehicle above the price of a petrol car despite their concern about the environment.
The Nissan LEAF is the most affordable five door family electric car in the U.S. at a price of US$32,780 going down to US$25,280 after federal tax rebate of US$7,500, going further down to US$20,280after the US$5,000 tax rebate in California and similar incentives in other states.
The Renault Fluence Z.E. five door family saloon electric car will be priced at less than US$20,000 before any U.S. federal and state tax rebates are applied. It will be sold without the battery thus the significant price difference. The customer will buy the Renault Fluence Z.E. with a contract to lease the battery from the company Better Place.
The electric car company Tesla Motors is using laptop battery technology for the battery packs of their electric cars that are 3 to 4 times cheaper than dedicated electric car battery packs that other auto makers are using. While dedicated battery packs cost $700-$800 per kilowatt hour, battery packs using small laptop cells cost about $200. That could potentially drive down the cost of electric cars that are using Tesla's battery technology such as theToyota RAV4 EV and the Smart ED as well as their own upcoming 2014 models such as the Model X.

Some electric cars

Tesla Roadster

Tesla is one most of the most famous company, what makes only electric cars. Here is the one model Tesla roadster. This have AC induction motor and single speed gear box create instant torque from 0 rpm. Up to 295 lbs-ft of torque and 288 horsepower are produced as the car smoothly accelerates from 0 to 60 mph in 3.7 seconds . Top speed is 200km/h and it goes only one charging incredible 390km. Tesal roadster is not cheap electric car it costs more than 100 000 US dollars this is 75683 Euros.

Nissan leaf

Nissan Leaf 100% electric car.
Nissan Leaf is more cheaper than telsa roadster and tihs have two base models, Nissan leaf SL and SV. First one costs 26 220 US dollars(19 844 EUR) and the second model costs 25 280 US dollars(19 132 EUR). Good thing is Nissan Leaf isńt very expensive and it can goes one charging 62-138 miles what is enoguh to circulate in citys. And when you need to stopi n traffic jam then your car dont use energy, this is the thing what most gasoline cars can´t toi f you don´t stop the engine. Most modern electric cars uses Li-ion battery, tihs type battery charging takes about 2 hours, in the first hour charging is 80-90% and the second hour takes batterey rest 10-20%.

Electric cars in our county in Estonia

In Estonia has very few electric cars. 21. Sept in year 2009 was in this country only 6 registered electric cars. At least 2 of these are own made in litte home garage. One project is uploaded in internet . This is one car in Estonia what is more green and homemade with 2 years
Wolkswagen Golf 3 Variant, the project car
Almost ready.

Used materials:

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Evelin Kaine Õppematerjali autor

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