CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads

Posted by Jon Elson
on 2003-12-10 10:54:24 UTC
Carlos Guillermo wrote:

>Thanks Jon -
>
>It's starting to become very obvious to me! BTW, how could you
>determine the proper ends of a winding to hook up in parallel if
>the terminals aren't lableled?
>
>
You can use a voltmeter. Assuming a transformer where you don't
know much about it, first just use an ohmmeter to determine which
terminals are part of the same winding. Assuming you have 4 terminals
and find there are two isolated windings, then apply power to the
primary terminals and read the voltages produced by each of the
windings. If they are the same, this is a standard split secondary.
Connect any terminal from one winding to any terminal of the other.
Use the voltmeter on AC to check the voltage between the two
unconnected terminals. If you get twice the voltage of a single
winding, you now have the center-tapped condition. If you get
nearly zero voltage, you have the matching ends of the windings
connected together. If you now connect the terminals that the voltmeter
is on, together, you have set up the parallel circuit for half voltage
at twice the current.

Jon

Discussion Thread

John Delaney 2003-12-08 17:40:54 UTC 80V Toroid & Ferrite Beads Jon Anderson 2003-12-08 18:17:23 UTC Re: [CAD_CAM_EDM_DRO] 80V Toroid & Ferrite Beads Jerry Kimberlin 2003-12-08 18:32:53 UTC Re: [CAD_CAM_EDM_DRO] 80V Toroid & Ferrite Beads John Delaney 2003-12-08 18:45:48 UTC Re: 80V Toroid & Ferrite Beads John Delaney 2003-12-08 18:47:46 UTC Re: 80V Toroid & Ferrite Beads Jerry Kimberlin 2003-12-08 19:28:45 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads John Delaney 2003-12-08 20:56:21 UTC Re: 80V Toroid & Ferrite Beads industrialhobbies 2003-12-08 22:13:26 UTC Re: 80V Toroid & Ferrite Beads JanRwl@A... 2003-12-08 23:27:13 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads jmkasunich 2003-12-09 06:18:16 UTC Re: 80V Toroid & Ferrite Beads Jon Elson 2003-12-09 09:37:18 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Carlos Guillermo 2003-12-09 10:41:41 UTC RE: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Bill P @ ... 2003-12-09 10:52:53 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads RichD 2003-12-09 14:00:05 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Carlos Guillermo 2003-12-09 14:21:07 UTC RE: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads JanRwl@A... 2003-12-09 14:49:35 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Dave Dillabough 2003-12-09 16:02:38 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads John Delaney 2003-12-09 20:01:46 UTC Re: 80V Toroid & Ferrite Beads C.S. Mo 2003-12-09 20:58:29 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Jon Elson 2003-12-09 21:59:11 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Carlos Guillermo 2003-12-10 00:32:04 UTC RE: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Fam. Hedegaard 2003-12-10 06:41:52 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads jmkasunich 2003-12-10 06:48:01 UTC Re: 80V Toroid & Ferrite Beads Jon Elson 2003-12-10 10:54:24 UTC Re: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads Carlos Guillermo 2003-12-10 12:10:43 UTC RE: [CAD_CAM_EDM_DRO] Re: 80V Toroid & Ferrite Beads