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*To*: Tesla Coil Mailing List <tesla@xxxxxxxxxx>*Subject*: Re: [TCML] Calculating transformer output at lower voltages*From*: dave pierson <dave_p@xxxxxxxxxxx>*Date*: Thu, 7 Jun 2012 14:30:35 +0000 (UTC)*Delivered-to*: teslaarchive@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*In-reply-to*: <B65A168721474DCCA197A23D5575B118@owner1bbb44764>*List-archive*: <http://www.pupman.com/pipermail/tesla>*List-help*: <mailto:tesla-request@pupman.com?subject=help>*List-id*: Tesla Coil Mailing List <tesla.pupman.com>*List-post*: <mailto:tesla@pupman.com>*List-subscribe*: <http://www.pupman.com/mailman/listinfo/tesla>, <mailto:tesla-request@pupman.com?subject=subscribe>*List-unsubscribe*: <http://www.pupman.com/mailman/listinfo/tesla>, <mailto:tesla-request@pupman.com?subject=unsubscribe>*Reply-to*: Tesla Coil Mailing List <tesla@xxxxxxxxxx>*Sender*: tesla-bounces@xxxxxxxxxx

> I know the usual formula Vs/Vp = Ns/Np for calculating transformer > voltages, but I have a problem in that I am dealing with a sealed > NST and don't know the number of secondary or primary turns. Generally, one can 'reverse' the math: if VS/VP = 12,000/110 = Ns/Np = 109.1 then: 109.1 * 30 = 3273 > What I am trying to do is calculate the output of a 12kV NST > when it's getting less than 110 volts input. For example, > if I feed the NST 30 volts AC, what does it put out? Looks like 3,273V, more or less. > Is there any way to figure this out without a high voltage meter > (which I don't have) and without knowing the number of primary > or secondary turns? It gets complexer with current limited (as NST) transformers. best dwp _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla

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