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Posted on : Wednesday 22nd April 2020 04:08 PM

Electric Car Innovation towards 'Flying Car'


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Posted by  NURUL AIN SYIFAA YAAKOB
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All-electric vehicles (EVs) have an electric motor instead of an internal combustion engine. The vehicle uses a large traction battery pack to power the electric motor and must be plugged in to a charging station or wall outlet to charge. Because it runs on electricity, the vehicle emits no exhaust from a tailpipe and does not contain the typical liquid fuel components, such as a fuel pump, fuel line, or fuel tank. 

Key Components of an All-Electric Car

Battery (all-electric auxiliary): In an electric drive vehicle, the auxiliary battery provides electricity to power vehicle accessories.

 

Charge port: The charge port allows the vehicle to connect to an external power supply in order to charge the traction battery pack.

 

DC/DC converter: This device converts higher-voltage DC power from the traction battery pack to the lower-voltage DC power needed to run vehicle accessories and recharge the auxiliary battery.

 

Electric traction motor: Using power from the traction battery pack, this motor drives the vehicle's wheels. Some vehicles use motor generators that perform both the drive and regeneration functions.

 

On board charger: Takes the incoming AC electricity supplied via the charge port and converts it to DC power for charging the traction battery. It monitors battery characteristics such as voltage, current, temperature, and state of charge while charging the pack.

 

Power electronics controller: This unit manages the flow of electrical energy delivered by the traction battery, controlling the speed of the electric traction motor and the torque it produces.

 

Thermal system (cooling): This system maintains a proper operating temperature range of the engine, electric motor, power electronics, and other components.

 

Traction battery pack: Stores electricity for use by the electric traction motor.

 

Transmission (electric): The transmission transfers mechanical power from the electric traction motor to drive the wheels.

 Fueling with electricity offers some advantages not available in conventional internal combustion engine vehicles. Because electric motors react quickly, EVs are very responsive and have very good torque.  EVs are often more digitally connected than conventional vehicles, with many EV charging stations providing the option to control charging from a smartphone app. 

Just like a smartphone, you can plug in your EV when you get home and have it ready for you to use the next morning.  Since the electric grid is available almost anywhere, there are a variety of options for charging: at homeat work or on the road. By charging often, you may never need to go to a gas station again! 

But EVs provide more than just individual benefits.  EVs can help the United States have a greater diversity of fuel choices available for transportation.  The U.S. used nearly nine billion barrels of petroleum last year, two-thirds of which went towards transportation.  Our reliance on petroleum makes us vulnerable to price spikes and supply disruptions. EVs help reduce this threat because almost all U.S. electricity is produced from domestic sources, including coal, nuclear, natural gas, and renewable sources. 

EVs can also reduce the emissions that contribute to climate change and smog, improving public health and reducing ecological damage. Charging your EV on renewable energy such as solar or wind minimizes these emissions even more. See the difference  in emissions between a conventional vehicle and an EV using the calculator on the right. Learn more about how EVs reduce pollution and their life cycle emissions.

 

 

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electric car flying cars innovation fuel save renewable energy

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