Re: A tall thin piggy, or a short squat piggy?

• To: tesla-at-pupman-dot-com
• Subject: Re: A tall thin piggy, or a short squat piggy?
• From: "Megavolt Nick" <tesla-at-fieldfamily.prontoserve.co.uk> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 14 Feb 2000 11:51:13 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Paul,
             actually the cost for the same break energy will be the same at
either voltage - i'd just worry about corona more at 19.9kV.
Theoretically a 19.9kV system is better - it will have a higher Xp - see the
R. M. Craven paper listed on the Tesla Webring.
I'd go for the largest 19.9kV unit I had space for, as you can always use
the variac to cut down the voltage and more voltage is useful for any maggi
work you may want to do.

Regards
Nick Field

> Original Poster: "Paul Eugene Kidwell" <tmb-at-ieee-dot-org>
>
> Hi!
>
> I've been thinking of building my first piggy powered TC. I've found
> what appears to be a good source that offers a wide varity of pigs.
>
> My question is, which one to choose?
>
> They have 7.2 KV and 19.9 KV?
> I know that it would be alot more difficult (i.e. costly) to make a 19.9
> KV MMC than it would to make a 7.2 KV one. (I'm planning on going with
> an MMC) But is 7.2 KV addiquite? With equal KVA ratings, would 19.9 KV
> output out perform 7.2 KV? Would the difference in performance be enough
> to justify the difficulties involved with the higher voltage?
>
> They have 10KVA($95), 15KVA($135), & 25KVA($208)?
> Would I be better off buying a smaller one, and working with that until
> I wanted to go bigger, or buy a large one now and ballast the h*** out
> of it till I build a *really* large TC?
>
> I'm having trouble seeing the forest for the trees here :)
>
> Paul
>
> BTW, the source is Austin International
> http://www.austinintl-dot-com/Transformers-Power.html
>
>
>

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