Re: Calculating the drain I - SSTC

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "K. C. Herrick" <kchdlh-at-juno-dot-com> 


WHOA!  Garbage in, garbage out...

I had the wrong source in the ckt.  Current is +/- 9 A.  A tad better
than 160.

KCH

Sue-

Simulate it!  I use the freebie SIMetrix.  With a square 300 V pp, 221.3
KHz, 1 ohm dc and 18.9 uH I get the current zigzagging between 142 and
160 A.  Tell me a better value for the ohms & I'll run it again.  Better
yet, get SIMetrix.

A good new year to you!

Ken Herrick

On Fri, 26 Dec 2003 15:17:22 -0700 "Tesla list" <tesla-at-pupman-dot-com>
writes:
 > Original poster: "S.Gaeta" <sgtporky-at-prodigy-dot-net>
 >
 > On a more serious note, I measured the inductance of my primary
 > today, and
 > found it to be 18.9 mico henrys. How do I calculate the current that
 > will be
 > flowing through it when I have 300 VDC on the rails, and I am
 > switching at
 > 221.3 KHz?.
 >
 > I remember reading somewhere that sine wave formulas don't work with
 > square
 > waves, and that somehow harmonics enter into the formula, but I
 > dont
 > remember how it went :-(
 >
 > I'm almost done with this thing! I just gotta build the driver and
 > low
 > voltage power supply!
 >
 > Sue
 >
 >
 >