On 10/5/19 1:41 PM, Jan Steinman via EV wrote:
From: Lee Hart
"wireless charging" is fundamentally just a transformer.
With an extremely lossy core!
It's been decades since I worked in RF engineering, but they don't change the
laws of physics very often.
Electromagnetic coupling between
> From: Lee Hart
>
> "wireless charging" is fundamentally just a transformer.
With an extremely lossy core!
It's been decades since I worked in RF engineering, but they don't change the
laws of physics very often.
Electromagnetic coupling between two coils depends on the frequency of the
Peter C. Thompson wrote:
They have chargers that can operate up to 11 kW, and effeciencies
around 92 to 93%. If I remember correctly, BMW is using this charger
for some high-end EVs. Not sure who Daimler is going with.
I would like to see some independent confirmation of this. 92-93% is
Very impressive!
Is that 92-93% as efficient as wired chargers.(Sorry, I’m just not up on
efficiency numbers).
- Mark
Sent from my Fuel Cell powered iPhone
> On Oct 4, 2019, at 9:05 AM, Peter C. Thompson wrote:
>
> They have chargers that can operate up to 11 kW, and effeciencies around 92
They have chargers that can operate up to 11 kW, and effeciencies around
92 to 93%. If I remember correctly, BMW is using this charger for some
high-end EVs. Not sure who Daimler is going with.
Cheers!
On 10/3/19 5:38 PM, Mark Abramowitz wrote:
Is charging wirelessly less efficient or take
Is charging wirelessly less efficient or take more time?
- Mark
Sent from my Fuel Cell powered iPhone
> On Oct 3, 2019, at 2:59 PM, Peter C. Thompson via EV
> wrote:
>
> For other devices that charge wirelessly, check out Witricity.com. I used to
> work for a competitor of theirs
>
>
For other devices that charge wirelessly, check out Witricity.com. I
used to work for a competitor of theirs
Cheers, Peter
On 10/3/19 11:57 AM, brucedp5 via EV wrote:
Last Tuesday when I swung by to check-out the new
San Antonio SuperEVSE ...
Last Tuesday when I swung by to check-out the new
San Antonio SuperEVSE ...
http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVangel-about-San-Antonio-TX-Tesla-Supercharger-site-Watt-me-worry-tp4695295.html
EVangel-about: San_Antonio-TX Tesla Supercharger site ... (Watt-me-worry)