CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: cap question

Posted by Jon Elson
on 2002-04-01 23:17:16 UTC
Paul Weber wrote:

> Has anyone suggested putting a safety valve on the cap to limit voltage
> surge to a safe value. I'm thinking a zener diode to ground rated a little
> above the rated voltage of the cap?

You'll find large-wattage, high voltage Zener diodes to be VERY expensive!
A better way is a low resistance resistor and a power FET to turn it on, controlled
by a small Zener diode. I think Mariss had a circuit for it in the files section.

Jon

Discussion Thread

Mike Snodgrass 2002-04-01 14:34:59 UTC cap question Scott M. Thomas 2002-04-01 14:53:55 UTC RE: [CAD_CAM_EDM_DRO] cap question RC 2002-04-01 15:00:45 UTC Re: [CAD_CAM_EDM_DRO] cap question lenskeeper2000 2002-04-01 15:27:20 UTC Re: cap question Tim Goldstein 2002-04-01 15:41:46 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question Mike Snodgrass 2002-04-01 16:47:03 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question n4onl 2002-04-01 17:42:04 UTC Re: cap question Paul Weber 2002-04-01 19:50:46 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question JanRwl@A... 2002-04-01 20:41:36 UTC Re: [CAD_CAM_EDM_DRO] cap question JanRwl@A... 2002-04-01 21:35:15 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question Bill Vance 2002-04-01 22:51:47 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question Jon Elson 2002-04-01 22:56:06 UTC Re: [CAD_CAM_EDM_DRO] cap question JanRwl@A... 2002-04-01 23:01:24 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question Jon Elson 2002-04-01 23:01:33 UTC Re: [CAD_CAM_EDM_DRO] cap question Jon Elson 2002-04-01 23:17:16 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question cadcamcenter 2002-04-02 00:12:07 UTC Re: cap question cadcamcenter 2002-04-02 00:19:02 UTC Re: cap question Mike Snodgrass 2002-04-02 07:00:48 UTC Re: [CAD_CAM_EDM_DRO] cap question Jon Elson 2002-04-02 10:53:10 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question Jon Elson 2002-04-02 11:05:18 UTC Re: [CAD_CAM_EDM_DRO] cap question Sven Peter 2002-04-02 16:31:15 UTC Re: [CAD_CAM_EDM_DRO] Re: cap question ballendo 2002-04-13 03:55:20 UTC Re: cap question