Re: [TCML] VTTC Curent Draw

[Skip Malley <skip@xxxxxxxxxxxxxxx>]

If I understand MOT's correctly, they are wired with one side of the 
secondary grounded which makes it easier for voltage ratings.  That 
being the case, How are they wired?  If they are different and wired 
in parallel, then that would be your problem.  Those tubes are 
usually rated for about 4000 VDC.  How much are you giving it?

At 04:29 PM 9/24/2008, you wrote:

> I did say in my original post that I'm using 28T of 8AWG.
>
> I think I may have found the answer to my problem, though it's not one I
> really like.  My MOTs are not a matched pair, so perhaps this is causing the
> issue?  I tried running the  coil with just one transformer.  I'm able to
> get 80-90% of the spark length I'm getting with two transformers in series.
> Furthermore, I did not go above 20A until I passed 120v on the variac.
>
> When I run with two transformers I pull more than double the current before
> I get to 120V.  Does having a matched pair of transformers really matter
> that much?

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