Maybe not so shockingly (pun intended), and many drivers don’t know how the ...
Maybe not so shockingly (pun intended), and many drivers don’t know how the electric car actually works. For many, the knowledge spans as far as plugging it in, and letting charge, and driving it off.
It is not really as simple as that, even though the electric motor is comprised of far fewer moving parts than the traditional internal combustion engine.
A video from Learn Engineering looks to explain what is actually going on underneath all the clockwork and introduce the masses to the world of electric propulsion.
The video presentation tears down the standard Tesla Model S, no doubt the world’s most well-known electric vehicle, and provides the slightly awkward voiceover to deliver a knowledge. Get past the odd narration and the information is pretty valuable, however.
Components such as the induction motor, the inverter, transmission, differential, the battery pack, synchronized vehicle mechanism, and the regenerative braking system are all awarded the deep dive in the name of electric vehicle education.
We learn that a motor is efficient over the wide range of operating conditions and that the inverter can vary a frequency and amplitude of the AC power it feeds to a motor, thus controlling how much power the vehicle receives. The upshot? An electric motor needs only the single-speed transmission.
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