FILENAMES:

3phconverter.jpg 

DESCRIPTION:

This is a picture of a 3 phase rotary converter. 

Posted by James Glass <jglass51@hotmail.com>.  

The following description was provided:

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Three phase rotary;

After using a static converter to run my surface grinder, 
a power loss quite obvious.  I heard a rotary converter 
had less power loss.  The capacitors were purchased from 
WW Granger.  The push buttons and coil were components 
scrounged up.  The start button closes the coil and energizes 
the start capacitor.  Releasing the start button de-energizes 
the start cap.  The coil keeps the rest of the circuit running.      
A 1 or 2 HP three phase motor serves as an idler.

These are easy, inexpensive and fun projects and a way to have 
three phase power at home.  I went out of my way to by a single 
phase mill and lathe not realizing how easy it is to have 3 phase.

Jim  Glass
Genoa, IL