[ExI] Lessons from Tesla?

[Tomaz Kristan]

Spike!

There is no reason to convert DC to AC, except for the transport and some
existing motor types. Computers, phones, TV's and so on, needs DC,
batteries are DC oriented, and so forth...

http://en.wikipedia.org/wiki/High-voltage_direct_current

Check this and everything related.

On Fri, Sep 26, 2014 at 1:19 AM, spike <spike66 at att.net> wrote:

>
> >... On Behalf Of Keith Henson
> Subject: Re: [ExI] Lessons from Tesla?
>
> On Thu, Sep 25, 2014 at 5:00 AM,  Tomaz Kristan <protokol2020 at gmail.com>
> wrote:
>
> >>... In the end, the AC of Tesla is going to go away, the DC of Edison
> will
>
> > prevail.After more than a century, Edison is to be right.
>
> >...I sort of doubt it.
>
> https://en.wikipedia.org/wiki/High-voltage_direct_current
>
> The penetration of DC customer service that's left in a few places dates
> from a century ago.
>
> Which gives you an idea  of how long these things take to change.
>
> Keith
> _______________________________________________
>
>
> AC and DC do two different things.  The question isn't AC or DC, it is more
> about how we will use both.  In fact we do use both: our computers and ever
> more now, our home lighting, uses DC.  Our home heating systems use AC to
> run the air handling motors.  If we get all-electric cars, they operate on
> DC.  To charge them with AC, we need to convert it, which is costly and
> requires big capacitors.  We can imagine rooftop solar collectors charging
> cars without ever going thru AC.  For long haul transmission of electric
> power, AC works great.
>
> We will have both AC and DC for the foreseeable, assuming we build a lot
> more generating capacity.
>
> spike
>
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