On 09/04/2016 06:59, harry wrote:
On Friday, 8 April 2016 20:40:45 UTC+1, 3899jk wrote:
"Tim Watts" wrote in message
...
On 08/04/16 11:07, whisky-dave wrote:
On Thursday, 7 April 2016 16:51:18 UTC+1, Tim Watts wrote:
On 07/04/16 16:05, whisky-dave wrote:
On Thursday, 7 April 2016 14:09:40 UTC+1, Tim Watts wrote:
On 07/04/16 11:20, Andrew wrote:
On 01/04/2016 15:10, Another Dave wrote:

No. The point is that if this took off in a big way (and I hope it
does)
the government would have to tax electricity used to charge cars to
maintain its revenue. I don't know how this would work but I'm
certain
that it would happen.

Another Dave

And that is precisely what smart meters will be able to do. It knows
what is using power, so one day could simply slap the 'missing' fuel
duty and VAT onto your leccy bill.

How is it able to know?

I would assume by inbuilt chips in the products, simialer to how USB
devices talk to the computer and tell it what it is and what it needs
curretn wise and speed althogh speed wouldn't be needed.



Not too much danger of that happening anytime soon -

depends what you mean by anytime soon.

and you can always
cut the plug off .

then how will you plug it in ?

And put a non smart plug on it.



(or run it through a signal blocking filter) - as the
mains, unlike USB, does not need anything to declare its intent before
supplying power.

which makes it easier to do.
Like they do with those TP link ethernet extenders.


USB works the way it does, because it was designed to and the host is
always in control of the power delievered, unless the "host" is a dumb USB
charger.

Mains was not designed to have smart delivery and regulation of power,

But the car chargers have to be.

Why do you drivel on about topics when you don't even have an electric car?
Charger fall into two types.
AC (small) chargers use the car's onboard rectifier with a current limiting device. Mine limits to Kw 2.2

DC (fast) chargers that just have a current limiting device.
These are around 60Kw & there are not many around.
I don't use them anyway.


Funny all the electric cars I looked at recently need a 32A charging
point and they actually fit them free if you buy a new car.

the DC charger is an optional extra on some of them costing a few
hundred more.

Most don't even come with a 13A plug unless you pay extra.