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? advantage of a 3-wire submersible pump

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? advantage of a 3-wire submersible pump zeb7k 01-06-2007
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Posted by on January 6, 2007, 8:38 pm


What is the advantage, if any, of a 3-wire submersible pump over
2-wire?

My driller steered me away from 3-wire because of the extra expense of
a control box, a larger cable to drop, and other considerations (which
I forgot quite efficiently, thank you).

I'm guessing with a 3-wire you can use 240V --so it's for the larger
pumps?

Why do they even make a 1-hp 3-wire pump?

--zeb


Posted by Dean Hoffman on January 6, 2007, 9:06 pm


zeb7k@hotmail.com wrote:

> What is the advantage, if any, of a 3-wire submersible pump over
> 2-wire?
>
> My driller steered me away from 3-wire because of the extra expense of
> a control box, a larger cable to drop, and other considerations (which
> I forgot quite efficiently, thank you).
>
> I'm guessing with a 3-wire you can use 240V --so it's for the larger
> pumps?
>
> Why do they even make a 1-hp 3-wire pump?
>
> --zeb

One guess would be voltage drop. The well might be a long way
from a power source.

Dean

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Posted by RBM on January 6, 2007, 9:47 pm


The advantage is the control box. A two wire pump has the stuff that's in
the control box, inside the motor, where it's a major expense if a fifty
cent capacitor pops and needs to be replaced


> What is the advantage, if any, of a 3-wire submersible pump over
> 2-wire?
>
> My driller steered me away from 3-wire because of the extra expense of
> a control box, a larger cable to drop, and other considerations (which
> I forgot quite efficiently, thank you).
>
> I'm guessing with a 3-wire you can use 240V --so it's for the larger
> pumps?
>
> Why do they even make a 1-hp 3-wire pump?
>
> --zeb
>



Posted by mm on January 7, 2007, 12:47 am


On 6 Jan 2007 17:38:02 -0800, zeb7k@hotmail.com wrote:

>What is the advantage, if any, of a 3-wire submersible pump over
>2-wire?

When I was a rigger for Texaco, we used 8 wires.
>
>My driller steered me away from 3-wire because of the extra expense of
>a control box, a larger cable to drop, and other considerations (which
>I forgot quite efficiently, thank you).
>
>I'm guessing with a 3-wire you can use 240V --so it's for the larger
>pumps?
>
>Why do they even make a 1-hp 3-wire pump?
>
>--zeb


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