[TheForge] Variable Frequency Dive???'s

Mon Jun 16 21:46:02 2003

You can run one motor at a time IF you shut down the VFD BEFORE you unplug
or plug a motor in. Then hit the start button on the VFD. If you unplug the
motor or plug one in while the VFD is producing power, you will probably
blow it.
Darrell

http://www.machinemaster.com
----- Original Message -----
From: "Maurice S." <[email protected]>
To: <[email protected]>
Sent: Monday, June 16, 2003 5:08 PM
Subject: Re: [TheForge] Variable Frequency Dive???'s

> Hello folks,
>
> Even if I was running one motor at a time?
>
> On 16 Jun 2003 at 16:34, James Binnion wrote:
>
> > No you will blow out the VFD. You can not switch the load side of a
> > VFD without running the risk of destroying the power transistors. What
> > you want is a rotary phase converter. They will run several motors
> > from one rotary. Typically they will carry three times the starting
> > load. So a 5 HP rotary will run 15HP of load but will not start more
> > than a 5 HP motor.
> >
> > Jim
> > On Monday, June 16, 2003, at 04:25 PM, Maurice S. wrote:
> >
>
>
> Sincerely:
>
> Maurice S.
>                [email protected]
>
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