How does an accelerator work in an electric car?

One of the biggest things that appeal to me about electric cars, aside from being environmentally friendly, is their impressive torque. How does the accelerator work in an electric car that it can accelerate so quickly and smoothly?

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Answer provided by
Allison Stone
Answered on Apr 13, 2022
Unlike your standing combustion-engine car, the battery and motor in an electric car has a much more efficient system for providing power to the rest of the car. When an electric car is accelerating, a few things are happening:
  • First, power from the DC battery is converted to AC power for the electric motor through the controller and inverter.
  • The controller translates pressure from the accelerator pedal into the motor inverter, which adjusts the frequency of the signal it sends to the electric motor to increase power or torque.
  • The electric motor connects to and sends power to the wheels.
While this process may sound complex on paper, it is much simpler than the steps it takes to send power to the wheels on a gas-powered car. The speed at which electric energy travels also allows for the swift and smooth acceleration that electric cars are known for.
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