CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Where to buy non induction resistors

Posted by Russell Shaw
on 2002-03-28 15:43:05 UTC
The inductance of *any* resistor will be *much* lower than the
inductance of any motor. The only way is to use higher supply
voltage, lower inductance motors, or constant current drive.

lenskeeper2000 wrote:
>
> Where can I buy non-induction power resistors? I'm using a simple
> L/R style drive circuit and want to step up my voltage but have found
> I have too much inductance to get my speed rate up. I'l thinking if
> I can reduce the effect of the wire wond reisitor's im using this
> will help.
>
> I've seem lots of power resistors for sale (allied etc.) but none
> seem to be non inducting. Looking for 25 watt in the 20-25 hom
> range. Any suggestions?
>
> I'm trying to keep on a budget and am trying to learn electronics
> while upgrading my desktop CNC mill. so holding off going to a
> chopper curcuit as I want to design myself (will leikely eventually
> give in and by Gecko drivers).

Discussion Thread

lenskeeper2000 2002-03-28 12:28:44 UTC Where to buy non induction resistors RichD. 2002-03-28 13:42:28 UTC Re: [CAD_CAM_EDM_DRO] Where to buy non induction resistors Russell Shaw 2002-03-28 15:43:05 UTC Re: [CAD_CAM_EDM_DRO] Where to buy non induction resistors lenskeeper2000 2002-03-28 17:33:46 UTC Re: Where to buy non induction resistors Russell Shaw 2002-03-28 17:48:44 UTC Re: [CAD_CAM_EDM_DRO] Re: Where to buy non induction resistors Tony Jeffree 2002-03-28 22:04:53 UTC Re: Where to buy non induction resistors Jon Elson 2002-03-28 22:32:59 UTC Re: [CAD_CAM_EDM_DRO] Where to buy non induction resistors Russell Shaw 2002-03-29 00:56:02 UTC Re: [CAD_CAM_EDM_DRO] Re: Where to buy non induction resistors lenskeeper2000 2002-03-29 21:10:45 UTC Re: Where to buy non induction resistors