Re: 'Anti-parallel' ?? (fwd)

["High Voltage list" <hvlist-at-pupman-dot-com>]

Original poster: <sroys-at-poodle.pupman-dot-com>



---------- Forwarded message ----------
Date: Fri, 19 Nov 2004 16:00:48 -0700
From: Gomez Addams <gomez-at-owlhouse-dot-org>
To: High Voltage list <hvlist-at-pupman-dot-com>
Subject: Re: 'Anti-parallel' ?? (fwd)

Looks like a parallel connection if ever there was one.

On Nov 19, 2004, at 3:23 PM, High Voltage list wrote:

> Original poster: <sroys-at-poodle.pupman-dot-com>
>
>
>
> ---------- Forwarded message ----------
> Date: Fri, 19 Nov 2004 11:26:05 -0600
> From: Bert Hickman <bert.hickman-at-aquila-dot-net>
> To: High Voltage list <hvlist-at-pupman-dot-com>
> Subject: Re: 'Anti-parallel' ?? (fwd)
>
> Hi Carl,
>
> An anti-parallel connection simply means that the primaries are
> electrically connected in parallel, but the input leads of one MOT are
> reversed in polarity (or "sense") versus the other pair so that the
> secondary voltages can add. This connection can be used to double the
> total output voltage from a pair of MOT's without introducing any
> additional stress on the secondary insulation systems. The asterisks
> illustrate the sense of the windings, and the polarity marks reflect
> how the voltages will appear for a given half cycle of AC.
>
>                   IN
>                |       |
>            |---|-------o
>            |   o-------|---|
>            |   |       |   |
>          * |+ -|       |+ -| *
>            ooooo       ooooo
>           -------     -------
>           -------     -------
>           ooooooo     ooooooo
>         * |+   -|     |+   -| *
>           |     ---o---     |
>           |        |        |
>           |      -----      |
>           |     / / /       |
>           |                 |
>                  OUT