Re: MOT primaries in paralell? (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 12 Jun 2007 10:52:15 +0100
From: Paul Benham <paulb@xxxxxxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: MOT primaries in paralell? (fwd)

Hi Robert,

I paralleled up my MOT's for more current using a 125VA toroid core with 
55+55 turns of 2.5mm square wire feeding the primaries as a current 
balancing transformer.  The center tap is mains input and the two ends are 
the outputs to the two MOT primarys.  The secondaries are in parallel.  I am 
in the UK, so on 240V, you may need to use thicker wire with less turns on 
your cores at 120V.  From memory this allows up to around 100V difference on 
the MOT output voltages without problems(10V difference on primarys).

Cheers,

Paul.

----- Original Message ----- 
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Monday, June 11, 2007 3:15 PM
Subject: MOT primaries in paralell? (fwd)


>
> ---------- Forwarded message ----------
> Date: Mon, 11 Jun 2007 01:56:54 -0700 (PDT)
> From: Robert Amaya <dimon20042004@xxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Subject: MOT primaries in paralell?
>
> Hi everyone,
>
> I am planing on making a MOT PSU for my next coil and I have so many 
> smaller MOTs. I am wanting to parralell their primaries together for 
> higher current but i am not sure on how close their rated voltages have to 
> be before they start killing each other. Can someone tell me this?
>
> Robert in Austin
>
>
>
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