Re: [CAD_CAM_EDM_DRO] Re: Power needed to drive 3 nema 42 motors?

See my ******* comment ******* below
RayHex

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> From: caudlet <tom@...>

SNIP

>
> Don't use a variable transformer. Most of them are Autotransformers
> (one winding) and provide no isolation (that's a bad thing). Either
> order a transformer of the voltage and current range you want or get
> creative and find a surplus unit that has several secondaries you can

> use to get the voltage you want. A multi-winding transformer is a
> versatile thing. Depending on how you phase the windings you can add

> or subtract AC voltages.

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You can even take a secondary winding and

> put it in series with a primary winding and use it to lower the high
> current secondary.

******* THIS THEN BECOMES AN AUTOFORMER! *******