Re: Gecko power supply transformer

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "plastiguy" <plastiguy@a...>
wrote:

> OK folks, thanks for all of your timely and technically helpful
> pointers on my Gecko G320 drivers power supply. I've settled a few
> things already based on some of the insight and suggestions

provided

> from my first set of questions. But, I forgot one.
> When sizing my toroidal transformer to go from nominally 120 VAC
> (concede it can be 112 to 125 sporadically)into 36 VAC to the

filter

> caps and the bridge rectifier, am I to spec a volt-amp rating, and
> which volts and amp numbers do I use and how do I use them?
> thanks a lot in advance
> Scott

soooo...you are going to overvoltage your motors by 28% ?

VA is just that Volt-Amps (Watts with a power factor of 1) so just
multiply the secondard RMS volts times the average highest current
and add 20% for fear factor.

You might want to go back and read my earlier response.