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<div class="moz-cite-prefix">First look at what his actual pumping
needs are, and come up with a more efficient way to provide the
water.<br>
I just got back tonight from changing out hydronic circulators for
a customer with new Hi Efficiency brushless ECM models. I was
able to cut the watt draw by 65%.<br>
Also, its very possible that multiple smaller pumps could be used
in his situation as well. I'm sure changing pumps and using a
smaller array will be much lower cost, and has higher chance of
meeting his challenge. Just cowboying in a system to run that
monster is a bad idea, just like on smaller scale projects.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 3/27/2014 8:07 AM, Allan Sindelar wrote:<br>
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Wrenches,<br>
Here's one of the oddest questions I have come across in years:<br>
<blockquote> PRC Commisioner Lyons issued a challenge to NM solar
companies today. He stated that he cannot get his electric coop
to bring three phase into his property to run his irrigation (a
150 hp motor). He said that whenever he mentions this to a solar
outfit - running a 150 hp motor on pv - they look back at him
like a deer in the headlights. Can you meet his challenge? </blockquote>
This application is way above my pay grade, and normally I would
not give this question much pause, as few ranchers would be
seriously willing to put up the money for the design and research
time to work up and price a solution, especially given that as far
as I know, none even exists. No rural water pumping PV designer
that I know works with motor loads of such scale. Indeed, it makes
my head spin to think of it.<br>
<br>
I checked an older (2003) Franklin motor application guide and
found specs for a 150 HP 3 phase motor: 128 kilowatts at 380-575
VAC at 60 Hz.<br>
<br>
The only reason I am writing is this: The rancher is one of our
state's five Public Regulatory Commissioners. These are the folks
who regulate our three private utilities and 20 +/- rural co-ops,
and he is perhaps the most conservative one of the five. Last fall
he initiated an ill-conceived regulation to cut in half our
state's RPS and pushed it through to passage on the PRC; about two
months later the ruling was rescinded due to a huge public outcry.
So if it were even possible to address his particular request, the
potential consequences could have far-reaching effects
politically.<br>
<br>
Has anyone attempted or accomplished anything even close to this?
Is there existing equipment that could handle such an application?
Could such an application be justified economically? Or can anyone
offer a reasoned answer why it's not possible?<br>
<br>
Thank you,<br>
Allan<br>
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<p class="MsoNormal"><b>Allan <span class="SpellE">Sindelar</span></b><br>
<span style="font-size:10.0pt"><a
moz-do-not-send="true"
href="mailto:Allan@positiveenergysolar.com"><u><span
style="color:#000099">Allan@positiveenergysolar.com</span></u></a></span><br>
<span style="font-size:10.0pt">NABCEP Certified PV
Installation Professional<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder, <b>Positive Energy, Inc.<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt">A
Certified B <span class="SpellE">Corporation<sup><span
style="font-size:7.5pt">TM</span></sup></span><br>
<st1:address w:st="on"><st1:street w:st="on">3209
Richards Lane</st1:street><br>
<st1:city w:st="on">Santa Fe</st1:city>, <st1:state
w:st="on">New Mexico</st1:state> <st1:postalcode
w:st="on">87507</st1:postalcode></st1:address><br>
<b>505 424-1112 office 780-2738 cell</b><br>
<a moz-do-not-send="true"
href="http://www.positiveenergysolar.com/"
target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></p>
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