Re: DC Tesla Coil

From: 	Alfred C. Erpel[SMTP:aerpel-at-op-dot-net]
Sent: 	Monday, January 05, 1998 9:17 PM
To: 	Tesla List
Subject: 	Re: DC Tesla Coil

Bert and All,

>A transformer will not transfer any DC portion of a waveform from the
>primary to the secondary. No matter what kind of input you apply, a
>transformer's output will always "average" to 0 volts DC - the "area" of
>the waveform that's above 0 volts will be matched by an equivalent
>"area" below 0 volts so that the overall average is always 0 volts. Any
>rectification MUST be done on the secondary side. If you attempt to
>apply full-wave rectified DC to the input side of the transformer, the
>effective DC portion of the waveform will merely heat up the primary
>winding, and possibly saturate the core. Assuming you don't saturate the
>core, the output will look much like the AC component of the input, with
>equal "areas" of the waveform above and below the 0 Volt line - but no
>-- Bert --

    Thank you and everyone who has had an input on my question.  I will
continue to study this matter until I feel I understand it.