Re: [CAD_CAM_EDM_DRO] Re: VFD's / Skates, Tim & JohnS.

Hi John:
Just don't let anyone near your plonker.
Can you find out easily if the motor is indeed reconfigurable to 230V?
That would solve the problem, wouldn't it?
Cheers

Marcus
-----Original Message-----
From: johnhe <johnhe@...>
To: CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO@yahoogroups.com>
Date: Thursday, October 04, 2001 7:43 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: VFD's / Skates, Tim & JohnS.

>> Why do you insist on chasing this 460 v line. For a start we are 440v
>> here in the UK not 460v.
>
>Because the spindle motor is meant to take 415V 3 phase. A 230v supply is
>almost half that. Am I missing some blindingly obvious point that means a
>single phase 230v inverter would work on the 415v motor? I thought the
>inverter only changed the frequency of the current, not the voltage. Boston
>Ficor said that most 3 phase motors that work on 460v are reconfigurable to
>run on 230v 3 phase. Is this what you mean? I have to do all this wallying
>because I don't have the money to make any £300 mistakes, I'm also
>electrically retarded when it comes to VFD's. : )
>
>John H.
>
>
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