Re: Grounding the primary inner turn. (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Gerry Reynolds <greynolds@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Thu, 21 Dec 2006 03:43:13 -0800 (PST)
From: Yurtle Turtle <yurtle_t@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Grounding the primary inner turn. (fwd)

Do you have any pictures of your slide choke/satelite
dish actuator? I've been trying to decide how to
remotely control my two slide chokes, and hadn't
considered an actuator. I used to have a 7' dish so I
know exactly what you're talking about.

thanks
Adam

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: Gerry Reynolds
> <greynolds@xxxxxxxxxx>
> 
> 
> 
> ---------- Forwarded message ----------
> Date: Wed, 20 Dec 2006 18:51:30 -0800
> From: Jim Mora <jmora@xxxxxxxxxxx>
> To: 'Tesla list' <tesla@xxxxxxxxxx>
> Subject: Grounding the primary inner turn.
> 
> Hello All,
> 
> I recently sold my pig and saturable reactor and
> bought a dry 5kva potential transformer and sliding
> reactor (satellite screw actuated) which should be
> great for my previously under-powered NST 8” coil.
> These will be mounted in a NEMA transformer cabinet
> with wheels, with way less weight. I have to remake
> the base to accommodate my ASRG and CD MMC. 
> 
> The suggestion has been brought to me to ground one
> side of the PT HV and thereby ground the inner turn
> of the primary. This seems like a good idea as I
> have been slightly under coupled by design but am
> rewinding a new primary. This would eliminate
> flashovers to the base of the secondary and should
> allow much tighter coupling.
> 
> Ok, that’s what’s good, what’s the bad?
> And should this be RF grounded? 
> 
> I’m also building a 12” 3 phase; but, since it
> will be DC the considerations are quite different.
> 
> Regards,
> Jim Mora
> Old Iron Head :-)
> 
> 
> 
> 
> 
> 


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