nuckollsr(at)cox.net
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 Posted: Thu Nov 02, 2006 10:57 am Post subject: Making 28v from 2 14v sources (to enable an Air conditioni |
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At 11:10 AM 11/2/2006 -0700, you wrote:
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I have built a 14v dual battery, dual alternator system. (Z14). I live in
AZ and am interested in installing an air conditioning system. In
researching a/c systems, I'm uncomfortable with the added mechanical
complexity of running hoses and the engine driven compressor into the
engine compartment. I concede that this may be a more efficient means of
generating the power for the a/c, but it adds complexity/weight and a load
in an area that I would prefer not to. I have identified a couple of
sources that provide 28v AC systems. I have too much invested into my
build re 14 v components to warrant redoing the electrical system (to
28v). So in noodling it seems to me that _conceptually_ one should be able
to take a feed from each of the 14v systems and couple them together to
produce the 28v required for the ac unit. So, for those of you further
along the electro learning curve than I, is this _practically_ possible?
If so what components would be required to make the connection to produce 28V?
Thanks in advance for any consideration and input.
PS Thanks for all of the input on the IPOD connect
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Not easy. You'd need to craft an electrically isolated
14 volt system to "stack" on top of the grounded system.
This would require a special alternator for the #2 machine.
Further, the "bottom" alternator would need to be scaled
to carry normal ship's loads + the a/c.
The "top" system would not be useable for backing up
the bottom system without some complex switching.
The pitfalls of all this are considerable not to mention
the time and $ to implement it.
I'd jump on a belt driven compressor in a heartbeat.
Bob . . .
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< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >
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