Electric vehicles

Electric vehicles - University of Sharjah Electrical and...

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Unformatted text preview: University of Sharjah Electrical and Electronics Engineering ELECTROMECHAN ICAL SYSTEMS PROJECT( Fall semester 2010- 2011) NAME Electric Vehicles Electric vehicles have been around ever since the 18 th century , however their decline was due to several factors in favour of gasoline cars. Electric vehicles are becoming more popular now. They are environmental friendly ; they have no gas tank since it burns no fuel but they have battery packs which are used to store energy to power the vehicles and there is also a regulator/controller attached to the batteries to control the amount of energy produced and used by the car, ensuring that the power is constant without burning out the batteries. There is also no catalytic convertor. Electric vehicles have normal looking exterior, however they lack exhaust system and most importantly they have different type of motors. The electric motors that are available: the Brushless motors (good top speed, but low acceleration) and the induction motor (ok top speed, best acceleration, but for higher price) .Any of these motors can be used to create an electric vehicle . Converting the gasoline-fuelled car to an electric vehicle To convert a gasoline-fueled car to electric car there are some modifications to be done to the interior of the car. The gasoline engine is removed, no more catalytic converter s (that convert hydrocarbons produced by the gasoline fuel to harmless gases), no tailpipe or exhaust system. A new electric motor was attached to the transmission system with an adapter plate. An electric controller was added to control the motor. A battery tray was installed in the floor of the car with lead- acid batteries in the battery tray (enough to produce 300 volts DC). Other electric motors were installed to power: the water pump, power steering pump, air conditioner. For the power brake booster an electric vacuum pump will be added. A power brake booster improves the performance of the breaks on your vehicle, thereby making it much safer and easier to stop. A switch is used instead as an automatic transmission shifter, to control forward and reverse. The switch sends signals to the controller....
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Electric vehicles - University of Sharjah Electrical and...

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