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Re: Capacitor Size



Original poster: "MIKE HARDY" <MHARDY@xxxxxxxxxx>

Thanks !  I'll try to get as close to these values, as the caps I have will
permit. For the 240 MA output, I can else go 60nF, or 80nF. Which would be
better?  The 80nF would be a safer bet for me, since I'ld be putting 2 35KV
caps in series.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Wednesday, October 26, 2005 11:43 PM
Subject: Re: Capacitor Size


> Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx> > > Hi Mike, > > Cres(nf) = 10^9/(2*pi*line_freq*XLtranny) > > XLtranny = Vs_oc/Is_ss = 14400/120ma = 120Kohms > > Cres @ 120ma = 22nf > Cres @ 240ma = 44nf > > Use Cp = 1.6*Cres (LTR value for static gaps) > Cp = 2.8*Cres (LTR value for SRSG's) > > Gerry R. > > >Original poster: "MIKE HARDY" <MHARDY@xxxxxxxxxx> > >I'm about to fire up my 6" coil. Initially I'm going to run it at > >1800 watts. A 14.4 KV PT at 120 Ma out, with a 30 Nf maxwell. After > >tweeking, I plan on running it at double this, 3600 W, ie 240 MA. > >I'm going to run a sucker gap for now. Just how large a tank cap > >should I run, and how is this determined? Does a LTR cap only apply > >to NST's? Can I rely on teslamap for larger power levels? > >