The Electric Car Drive System (Battery, Inverter, Motor)
Battery, inverter, and motor
0:57 · 720p · With AI narration and captions. This sample was made with the same system as this service.
Narration (full text)
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How an Electric Car Runs
An electric car runs on a battery, an inverter, and a motor. Let's follow the flow of electricity.
Inside an Electric Car
Electricity flows from the battery pack under the floor, through the inverter, to the motor that turns the wheels.
Turning DC into AC
The battery supplies direct current, which flows in one direction. The inverter turns it into alternating current, which keeps switching direction.
Rotating Magnetic Field
When AC flows through the coils, it creates a rotating magnetic field, which pulls the rotor with its permanent magnets around.
Setting Speed and Force
The inverter adjusts the frequency and strength of the AC to set the speed and force of rotation, and reduction gears turn the wheels.
Regenerative Braking
When braking or slowing down, the motor becomes a generator, and the inverter turns its power back into DC to charge the battery.
Changing the Form of Power
The battery, inverter, and motor drive the car by changing the form of electricity.
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