Re: VSD QUESTION

THANKS FOR ALL THE ADVICE BOB. ONCE I AM IN THE BALLPARK I SHOULD BE
OK

REGARDS JOHN
--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bob Muse" <mtebob1@s...>
wrote:

>
> John-
> If the router has brushes then that should work to cut the speed

to about

> 1/2. If you go that way try to get a transformer with taps for

voltages a

> bit above and below nominal. That way you have a range to work

with.

> Bob
> ----- Original Message -----
> From: "john_glynn57" <john_glynn57@y...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Sunday, January 15, 2006 9:59 AM
> Subject: [CAD_CAM_EDM_DRO] Re: VSD QUESTION
>
>
> > THANKS FOR THE ADVICE BOB. THE ROUTER MOTOR THAT I AM USING IS A
> > MAKITA SINGLE PHASE AC MOTOR WIRED FOR 230V AC. DO YOU THINK

THAT I

> > WOULD GET THE APPROXIMATELY THE CORRECT RESULT IF I USED A

STANDARD

> > 230-110 STEPDOWN TRANSFORMER THAT I CAN READILY PICKUP CHEAPLY.
> >
> > JOHN
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bob Muse" <mtebob1@s...>
> > wrote:
> > >
> > > Hi John
> > >
> > > If your router has brushes, it is most likely a "universal
> > motor". This
> > > may be operated on AC or DC. One easy way to control the

speed is

> > just by
> > > controlling the input voltage with a variac. There may be

other

> > controllers
> > > designed to do this job also--but the three phase VFD is not a
> > good choice.
> > >
> > > Bob
> > >
> > > ----- Original Message -----
> > > From: "john_glynn57" <john_glynn57@y...>
> > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > Sent: Saturday, January 14, 2006 2:54 PM
> > > Subject: [CAD_CAM_EDM_DRO] VSD QUESTION
> > >
> > > > I WANT TO USE A TOSHIBA VSD TO CONTROL THE SPEED ON A SINGLE
> > PHASE
> > > > ROUTER MOTOR. THE VSD IS RATED AT 1.5KW BUT HAS A 3 PHASE

OUTPUT

> > AND I
> > > >
> > >
> >
> >
> >
> >
> >
> >
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