Re: Ballasting Inductors

• To: tesla-at-pupman-dot-com
• Subject: Re: Ballasting Inductors
• From: "D&M's High Voltage" <dmshv.davmckin-at-gte-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Sun, 27 Feb 2000 13:05:57 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Richie,

The heat loss in the angle iron on the inductors is caused by the
fringing flux from the gaps themselves.  Fringing flux causes
eddy current losses (and thus the heating) in the mounting angles
where the gaps are located.  If you use glastic angles, this heating
will go away.  Aluminum angles will also be a lot better - but still
won't totally eliminate the problem.  Also note that the mounting
angles themselves will somewhat change the inductance (due to a
"shorting of the gaps"), especially if they're steel.  Your inductors
should work very well for inductive ballasting - well worth the
price!!!

David L. McKinnon
D&M's High Voltage


> Original Poster: "R.E.Burnett" <R.E.Burnett-at-newcastle.ac.uk> 
> 
> 
> Hi folks,
> 
> Last week I collected two adjustable ballasting inductors which I had
> made by  a  local transformer manufacturer.  They are gapped E-I core
> units  of  the  type frequently described  by  D.C. Cox on this list.
> 

> Bye for now, Cheers,
> 
> -Richie,

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