Re: [CAD_CAM_EDM_DRO] Re: Three Phase Power

turbulatordude wrote:

>Hi Jon,
>
>Amps in equals amps out, no ?
>

No, absolutely not, for a VFD, or any other PWM modulated device. POWER
in equals
Power Out plus losses.

>I like to oversize drives anyway, as my indoctrination some 30 years
>ago instilled that VSD's were inherently failure prone.
>
>

Yup, 30 years ago, you only used them when you really needed variable
speed. Now, they
are quite tough.

Jon