2 HP pump [RE-wrenches]

[John Berdner]

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Todd:
 
I am almost positive a stacked pair of SI4248's would start and run it
no problem.
They can each do 100 Amps for 2 seconds (12 kVA @ 120 Vac)
Through an autoformer a single SI4248 would give you 50 Amps per leg
(12kVa @ 240) for 2 seconds (assuming the autoformer did not saturate)
A stacked pair would give you 100 Amps per leg (24 KVA @ 240 Vac) for 2
seconds.
The running load of the pump should be no probpel at all.
 
I would be willing to let you try it out first if you like.
Contact me offline for more details.
 
Best Regards,
 
John Berdner

>>> toddcory at finestplanet.com 6/22/2006 09:04:33 PM >>>

It is a three wire pump... 240 volts (thats why the stacked 3648's), 
Gould pump, #8 wire down the hole. The well is 480', static level at 
440' (!) so is cannot be downsized to a 1 or even 1.5 HP, plus it is 
already installed.

I guess if dual 3648's won't start, it the new/used power panel I just

found out about consisting of two SW2512's would never cut it either
right?

I suppose the Outback folks are drinking beer at MREF... lucky
bastards!

Todd




Jay Peltz, Peltz Power wrote:

> Hi Todd,
>
> A number of variables.
> 2 or 3 wire start?
> 120 or 240?
> make of motor makes a big difference.
> length/size of wire run
>
> I have found a huge difference in efficiency of pumps. For example 
> installing a SQ tomorrow. The 1/2hp vs the 3/4hp was about 300% more

> efficient with the 3/4hp.
> But have found similar differences with standard motors.
>
> So even if it will run it, still might not be a good idea.
>
> Mostly I install SQ's, although generally not as efficient as 
> standard pumps, but the ease of starting means just fewer problems.
>
> my 2 cents,
>
> jay
>
> peltz power



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