Re: Bleed resistors for MMC caps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Shaun Epp <scepp-at-shaw.ca> 

Tom,

It is possible for some of the capacitors to still hold a charge.  If the
caps have a residual charge, one positive the other one negative , the net
would be zero yet each of these capacitors have a charge on them.


Shaun Epp


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, June 08, 2004 9:28 PM
Subject: Re: Bleed resistors for MMC caps


 > Original poster: Tom Wideman <twidem01-at-baker.edu>
 >
 > What if the relay were powered by an independant DC power
 > source?
 >
 > ---- Original message ----
 >  >Date: Tue, 08 Jun 2004 08:36:13 -0600
 >  >From: "Tesla list" <tesla-at-pupman-dot-com>
 >  >Subject: Re: Bleed resistors for MMC caps
 >  >To: tesla-at-pupman-dot-com
 >  >
 >  >Original poster: "Mark Broker" <mbroker-at-thegeekgroup-dot-org>
 >  >
 >  >Each capacitor needs its own bleeder resistor.  Placing one
 > large resistor
 >  >across the MMC could lead to a condition in which
 > capacitors in a string
 >  >could be individually charged but yet maintains a net
 > charge of zero.  I'm
 >  >not certain what conditions these are, but I still think
 > it's a very good
 >  >idea to use individual bleeder resistors.
 >  >
 >  >The transformer will actually short the entire capacitor
 > when the power is
 >  >removed anyway, so your relay wouldn't have much effect.
 >  >
 >  >Mark Broke
 >  >Chief Engineer, The Geek Group
 >  >
 >  >
 >  >On Mon, 07 Jun 2004 18:27:59 -0600, Tesla list
 > <tesla-at-pupman-dot-com> wrote:
 >  >
 >  >>Original poster: Tom Wideman <twidem01-at-baker.edu>
 >  >>
 >  >>Instead of using some sort of bleed resistor....could you
 >  >>use a normaly closed contact off a solid relay?  So that
 >  >>when the circuit is off the relay redirects all gathered
 >  >>electrons to ground? Just a thought....tell me what you
 >  >>think.
 >  >>
 >  >>-Nano2e
 >  >
 >  >
 >  >
 >