RE: [TCML] Secondary current in an old TCBA Article

["Phil Tuck" <phil@xxxxxxxxxxx>]

Paul,
Yes the " The location within the secondary winding where the current is
highest " would definitely fit the 'complex' part! I hadn't considered that
when trying to work out what it referenced. 

Regards
Phil

www.hvtesla.com

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Paul Nicholson
Sent: 23 December 2010 07:36
To: Tesla Coil Mailing List
Subject: Re: [TCML] Secondary current in an old TCBA Article

Phil Tuck quoted:
 > "maximum current flow in the secondary inductor is  >  independent of the
effect of the primary inductor  >  and the current flowing in the secondary
inductor  >  depends primarily only on the design of the secondary  >
inductor. ..."

That's a fair statement.  The max secondary current depends on its
inductance.  The initial firing energy transfers eventually into the
secondary and conservation of energy means the resulting secondary current
obeys

  E = 0.5 * Lsec * Imax^2

where E is the transferred energy (net of losses).

The location within the secondary winding where the current is highest is a
little more complicated - it is usually just a little above the secondary
base but the precise location depends on secondary h/d ratio and amount of
toploading.

 > what was meant by the 'complex one-sided relationship',

Probably that, ignoring losses, the max current depends only on the
secondary inductance and not the primary inductance or coupling coefficient.
--
Paul Nicholson
--

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