this post was submitted on 02 Jul 2025
57 points (98.3% liked)
Electric Vehicles
1370 readers
228 users here now
Overview:
Electric Vehicles are a key part of our tomorrow and how we get there. If we can get all the fossil fuel vehicles off our roads, out of our seas and out of our skies, we'll have a much better environment. This community is where we discuss the various different vehicles and news stories regarding electric transportation.
Related communities:
- !automotive@discuss.tchncs.de
- !avs@futurology.today
- !byd@lemmy.world
- !ebike@lemm.ee
- !energy@slrpnk.net
- !geely@lemmy.world
- !micromobility@lemmy.world
- !polestar@lemmy.ca
- !rivian@lemmy.zip
- !teslamotors@lemmy.zip
- !xiaomi@lemdro.id
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Past few years it seems that I've heard good things about Hyundai's EVs, as opposed to the years of problems with their gas cars. I think I got the last generation that they build well, after was when the problems started hitting the fan.
They've got one of if not the best battery technologies out there. It's got insanely fast charging, and because it runs at 800V, the wires can be much thinner than the 400V competition. They ran into issues with their ICCU, and prioritized building more new cars rather than servicing their customers. Some folks had to wait 5 months without a vehicle because they weren't delivering the part. So yeah, asshole aftersales aside, they're kicking ass.
https://youtu.be/EYoOiVsHJTw
Yup.
How do smaller wires carry more voltage? Doesn't more voltage need a lower gauge (wider) wire?
What does work is power over time. Electrical power P = voltage V x current I. So, for the same power motor, if your voltage is higher, your current can be lower and achieve that same required power.
Wires are sized for current, not voltage. Imagine the wire as a pipe, voltage as pressure, current as flow. A tight pipe will restrict flow more, resulting in more pressure loss. That loss electrically is heat. You don't want your wires to melt, so you'd need bigger wires. Now, because friction is caused only by flow, not pressure, if you can achieve the same effect in the end with less flow, you won't need a thicker pipe.
So, higher voltage means lower current, meaning cheaper, thinner, lighter wires and components.