<div dir="ltr">Spike!<div><br></div><div>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...</div><div><br></div><div><a href="http://en.wikipedia.org/wiki/High-voltage_direct_current">http://en.wikipedia.org/wiki/High-voltage_direct_current</a><br></div><div><br></div><div>Check this and everything related.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Sep 26, 2014 at 1:19 AM, spike <span dir="ltr"><<a href="mailto:spike66@att.net" target="_blank">spike66@att.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
>... On Behalf Of Keith Henson<br>
Subject: Re: [ExI] Lessons from Tesla?<br>
<span class=""><br>
On Thu, Sep 25, 2014 at 5:00 AM, Tomaz Kristan <<a href="mailto:protokol2020@gmail.com">protokol2020@gmail.com</a>><br>
wrote:<br>
<br>
</span>>>... In the end, the AC of Tesla is going to go away, the DC of Edison will<br>
<span class=""><br>
> prevail.After more than a century, Edison is to be right.<br>
<br>
</span>>...I sort of doubt it.<br>
<span class=""><br>
<a href="https://en.wikipedia.org/wiki/High-voltage_direct_current" target="_blank">https://en.wikipedia.org/wiki/High-voltage_direct_current</a><br>
<br>
The penetration of DC customer service that's left in a few places dates<br>
from a century ago.<br>
<br>
Which gives you an idea of how long these things take to change.<br>
<br>
Keith<br>
_______________________________________________<br>
<br>
<br>
</span>AC and DC do two different things. The question isn't AC or DC, it is more<br>
about how we will use both. In fact we do use both: our computers and ever<br>
more now, our home lighting, uses DC. Our home heating systems use AC to<br>
run the air handling motors. If we get all-electric cars, they operate on<br>
DC. To charge them with AC, we need to convert it, which is costly and<br>
requires big capacitors. We can imagine rooftop solar collectors charging<br>
cars without ever going thru AC. For long haul transmission of electric<br>
power, AC works great.<br>
<br>
We will have both AC and DC for the foreseeable, assuming we build a lot<br>
more generating capacity.<br>
<span class="HOEnZb"><font color="#888888"><br>
spike<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr"><a href="https://protokol2020.wordpress.com/" target="_blank">https://protokol2020.wordpress.com/</a><br></div>
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