Technology ConnectionsAug 12, 2023

Is there a name for the phenomenon where the general public won't stop mentioning a solution that they /imagine/ will be standard one day without knowing the details behind it?

That's a word salad but like, "plug type won't matter once wireless charging becomes the norm" is, uh, a sentiment few people who know much about electricity transmission and electric vehicles will agree with, yet it's repeated ad nauseum.

Show threadragrumAug 12, 2023
@TechConnectify wireless car charging tech would be a cool Technology Connections video. TeslaBjorn did a few videos on it a while ago but I'd like a more detailed explanation of the science behind it - particularly contrasting it against the kind of wireless charging used for phones.
Show threadBernard R&RAug 12, 2023
@ragrum @TechConnectify that was a good video, which dispelled some myths repeated here. Wireless was slightly more efficient, as measured by calibrated utility-grade equipment. However it is also limited to 50KW (because of floor space), so it's a limited use case. That's to much for home charging, too slow for trip charging. Perhaps it's just right for mall charging? Is there a business case, given the added cost?
https://youtu.be/AE1gaNO9nj0
Wireless vs wired DC fast charging efficiency test

YouTube
Show threadTechnology ConnectionsAug 12, 2023

@BernardRR @ragrum for clarity, I'm aware that there have been demonstrations that have efficiency on par with wired installations.

But I can't see a world in which wireless inductive pickups on cars is a truly reasonable cost to add to the vehicle, and charging infrastructure is a lot more expensive, too.

In the real-world, I can't see it as practical. Another solution in search of a problem, imo

Show threadBernard R&R
@TechConnectify @ragrum I think it has a use case for some applications. Busses, ambulances, airport shuttles, maybe taxis. Anything where you might spend a good part of the day idling, and the vehicle is potentially in-use 24/7.
For personal vehicles it's an expensive option with very little upside.
Aug 12, 2023 at 2:42pmWeb