ok design?

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: ok design?
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Sun, 8 Mar 1998 16:36:21 -0600
• Approved: tesla-at-stic-dot-net

----------
From:  Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:  Sunday, March 08, 1998 3:42 PM
To:  Tesla List
Subject:  Re: ok design?

Hi Jim,

> From:  Jim Lux [SMTP:jimlux-at-earthlink-dot-net]
> Sent:  Friday, March 06, 1998 1:05 AM
> To:  Tesla List
> Subject:  Re: ok design?
> 
> 
> > Last thing: for the current to get to 7.8A, winding resistance must 
> > be less than 13/7.8 Ohms = 1.67 Ohms roughly. But if it approaches 
> > this value, an even longer period would be required as an RL time 
> > constant is also factored in. Then it is a matter of knowing L to 
> > know how long V must be applied for the current to hit the required 
> > value.
> > 
> > One can work through it in other ways too. If L is known, you can use
> > E/cycle = W x t   where E = 0.5L x Ipk^2  and t = time per cycle
> > 
> > Malcolm
> > 
> > 
> 
> Auto coil L is around 5-10 mH.....

According to calcs then, with a 90% duty cycle one can get that 
throughput at around 180BPS.

Malcolm

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