CAD CAM EDM DRO - Yahoo Group Archive

Transformers

on 2005-04-24 13:18:18 UTC
Looking for a power supply to run three servo motors rated at 100 volts and 20 amps.
I know I will need a 65 to 68 volt AC output to finish up with just below 100 volts as smoothed DC but what vA will the transformer have to be?
It looks as if you need 3 x 20 but not all motors will be running at once and at full power.
Is there a formula for deciding this ?

Last question what size fuse will be needed for each seperate motor ?

John S.



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Discussion Thread

William Scalione 2000-07-11 19:54:01 UTC Transformers John Stevenson 2005-04-24 13:18:18 UTC Transformers Leslie Watts 2005-04-24 13:57:28 UTC RE: [CAD_CAM_EDM_DRO] Transformers cnc_4_me 2005-04-24 18:56:12 UTC Re: Transformers apaulsalerno 2005-04-24 20:31:18 UTC Re: Transformers turbulatordude 2005-04-24 22:30:16 UTC Re: Transformers Les Newell 2005-04-25 05:31:15 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers Dave Davies 2005-04-25 06:15:39 UTC RE: [CAD_CAM_EDM_DRO] Re: Transformers gary 2005-04-25 06:25:31 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers Les Newell 2005-04-25 07:36:39 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers cnc002@a... 2005-04-25 08:13:39 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers Dave Davies 2005-04-25 09:40:35 UTC RE: [CAD_CAM_EDM_DRO] Re: Transformers Alex Holden 2005-04-25 14:02:36 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers turbulatordude 2005-04-25 14:06:57 UTC Re: Transformers turbulatordude 2005-04-25 14:49:03 UTC Re: Transformers UK source for treadmill motors Dave Davies 2005-04-25 14:58:01 UTC RE: [CAD_CAM_EDM_DRO] Re: Transformers Brian 2005-04-25 15:51:28 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers UK source for treadmill motors cnc_4_me 2005-04-25 15:58:10 UTC Re: Transformers 3 phase power calculations and fuse size Jeff Goldberg 2005-04-25 16:48:55 UTC RE: [CAD_CAM_EDM_DRO] Re: Transformers 3 phase power calculations and fuse size Jeff Goldberg 2005-04-25 16:53:17 UTC RE: [CAD_CAM_EDM_DRO] Re: Re: Transformers 3 phase power calculations and fuse size Bot Great 2005-04-25 17:58:53 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers UK source for treadmill motors Pd62448@c... 2005-04-25 17:59:40 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers 3 phase power calculations and fuse size apaulsalerno 2005-04-25 19:01:24 UTC Re: Transformers apaulsalerno 2005-04-25 19:05:09 UTC Re: Transformers turbulatordude 2005-04-25 19:14:45 UTC Re: Transformers cnc_4_me 2005-04-25 20:29:25 UTC Re: Transformers 3 phase power calculations and fuse size apaulsalerno 2005-04-25 22:20:56 UTC Re: Transformers Roy J. Tellason 2005-04-26 07:27:20 UTC Re: [CAD_CAM_EDM_DRO] Re: Re: Transformers 3 phase power calculations and fuse size Roy J. Tellason 2005-04-26 07:30:20 UTC Re: [CAD_CAM_EDM_DRO] Re: Transformers 3 phase power calculations and fuse size Tom 2005-04-26 10:32:45 UTC Re: [CAD_CAM_EDM_DRO] Re: RE: Re: Re: Transformers 3 phase power calculations and fuse size David Speck 2005-04-26 19:18:03 UTC Potential relays