RE: [TCML] Primary/Sec. Frequency

["Phil Tuck" <phil@xxxxxxxxxxx>]

Tim,
A secondary giving 82khz implies an 8 or 10 inch diameter, but a primary
that is wound to fit around a secondary that size, would I imagine have a
lower freq than 164 kHz, unless of course you're using very few turns.
Check the dimensions that you entered and what JavaTC gives you, and post
the JavaTC output file (use the "Format Design as text" button, then select
and copy, and paste into your email.)

Phil

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Tim Flood
Sent: 18 June 2013 14:47
To: 'Tesla Coil Mailing List'
Subject: Re: [TCML] Primary/Sec. Frequency

Thanks Phil,

The numbers from my first try on Java didn't look right. The calculated 
primary resonant frequency was 82.81 KHz and the secondary was 164.75 KHz. 
The HV power supply will be a 14,400v PT.

I'm not sure how I got so far off, but will modify some of the main 
parameters. Any suggestions will be appreciated.

Keep in mind you will be trying to explain things to a Mech. Eng.

Thanks again,

Tim Flood

--------------------------------------------------
From: "Phil Tuck" <phil@xxxxxxxxxxx>
Sent: Monday, June 17, 2013 4:18 PM
To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
Subject: RE: [TCML] Primary/Sec. Frequency

> Tim,
> You want the primary frequency a little under the secondary frequency, 
> maybe
> 3 to 4 % on a small coil. The reason is the streamers on the toroid have
> capacitance and when the streamers form, they drop the secondary frequency
> down a little bit. So by tuning the primary low to start with, they should
> hopefully end up both about the same.
>
> Regards
> Phil Tuck
>
> www.hvtesla.com
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of Tim Flood
> Sent: 17 June 2013 18:54
> To: tesla@xxxxxxxxxx
> Subject: [TCML] Primary/Sec. Frequency
>
> Is there a proper relationship between the primary output frequency and 
> the
> secondary output frequency? I did check the archives, with no luck.
>
> Thank you.
>
> Tim
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