Re: DC versus 3 Phase

Hi Bill,

Do you have a source (URL) for the ABB inverter? And can you describe
it a little more?

Thanks,

Alan KM6VV

Bill McGown wrote:

>
> I have both my wood lathe and my metal lathe on 3 phase motors and love
> it. I have a 220 v single phase inverter that I use to drive both
> motors (not at the same time). The unit I have is a ABB inverter and
> has served me well for 3-4 years now. Three phase variable frequency
> allows a lot of low speed torque. And once you have the inverter it is
> simply adding a motor to what ever piece of equipment you wish to have
> speed controlled. At this time I am thinking about getting a new/used 3
> phase motor to set up as a low/variable speed bench grinder.
>
> Also it is my understanding that unless you use feedback with DC motors
> they lack low speed torque.
>
> Bottom line for me... 3 phase prefered over DC
>
> Hope this helps.
>
> Bill