[RE-wrenches] 208 volt off-grid well pump

[Chris Mason]

Here's your buck boost:
http://www.acmetransformerspro.com/acmebuckboosttransformers.htm



On Thu, Jul 3, 2014 at 2:33 AM, William Miller <william at millersolar.com>
wrote:

> Friends:
>
>
>
> About two months ago I inquired of this forum about complications that
> might result from running a residence on a 208 volt 3 phase system.  One
> respondent indicated that motors might be affected.  Sure enough the owner
> is having problems with the well pump.  It is tripping circuit breakers.
>
>
>
> I conferred with a pump specialist.  The information I was given is that
> the standard single phase pump is rated at 230 VAC and can operate at +/-
> 10%.  This means the voltage must be at least 207 VAC.
>
>
>
> The measured no load voltage at the pump is 205 and loaded is 200.  The
> leads to the pump are 10 AWG and this is too small for the well pump
> (guessing it is 2 to 3 horsepower).  Even after I upgrade the wire the best
> I can do is 204-ish.
>
>
>
> Can I install a transformer to increase the voltage?  Would the phase
> angle at the secondary become 180°?
>
>
>
> Thanks in advance.
>
>
>
> William
>
>
>
>
>
> [image: Gradient Cap_mini]
> Lic 773985
> millersolar.com <http://www.millersolar.com/>
> 805-438-5600
>
>
>
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-- 
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com <http://www.cometenergysystems.com>
264.235.5670
869.662.5670
Skype: netconcepts
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