Gallery, Projects and General > How do I??

Coolant pump alternative?

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awemawson:
Still need the transformer if it is wired Star and the star point isn't accessible as the O/P stated by implication.

Mike E.:
Has anyone tried using an aquarium tank pump for coolant ?

John Rudd:

--- Quote from: awemawson on June 06, 2017, 05:05:41 PM ---Still need the transformer if it is wired Star and the star point isn't accessible as the O/P stated by implication.

--- End quote ---
Hmm right again....a gold 'star'awarded to you....

Too many wires again.....

super7:
Top left U2/W1
Top right Z2
Bottom left Z1/V1
Bottom right U1

I'm not familiar with UVZ, must be chinesium.

Terminal box as connected, before disconnecting prior to removal from where I bought it:




Motor terminal box :




Lifted the terminal box, the star point must be buried in the windings:



I'm a sparkie by trade, but that terminology and the way it looks when sketched out as windings makes no sense to me.

John Rudd:
U,V,W are the norms for 3 ph wiring...

Imagine a triangle, the corners being marked as U,V and W.
One winding would be U1-U2, second would be V1-V2, etc...
So for Delta, the connections would be U1 to W2, U2 to V1, V2 to W1...
Star connected, the 2's would be connected and phases applied to the 1's

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