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Re: pairing obits



Original poster: "colin.heath4 by way of Terry Fritz <twftesla-at-qwest-dot-net>" <colin.heath4-at-ntlworld-dot-com>

thanks for your advise after much messing about i have achieved this thanks
colin heath
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, February 08, 2002 2:56 PM
Subject: Re: pairing obits


> Original poster: "Herwig Roscher by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <herwig.roscher-at-gmx.de>
>
>
> colin.heath4 wrote:
>
> > iv got some obits and want to hook three in parallel how do i do it
>
> Colin,
>
> Parallelling means linking the earths, linking the upper HV
> terminals and linking the lower HV terminals. Of course the primary
> windings need to be wired in parallel as well, observing correct
> phasing of course.
>
> > the ratings are 7.5kv x2 30ma so would this make it 15kv 60ma
> or 15kv 30ma
> - If each OBIT has got a centertapped winding, delivering a total
> voltage of 15 kV ( 2 times 7.5 kV) and the rated current is 30 mA,
> then parallelling 2 OBITs would make a 15 kV/60 mA source.
>
> In this part of the world OBITs are rated at 10 kV/23 mA and I have
> parallelled up to 5 without any troubles.
>
> Cheers,
>
> Herwig
>
>
>