Re: MicroSim 8.0 precision warning

["Tesla list" <tesla@pupman.com>]

Original poster: "Finn Hammer by way of Terry Fritz <twftesla@uswest.net>" <f-hammer@post5.tele.dk>

Marco!

Thanks for the warning.

Now all I have to find out is how to stop the simulations from crashing
due to some voltage convergence problem at a node $00014 which I don`t
even know how to find on the schematic....

Cheers, Finn Hammer

Marco Denicolai wrote:
> 
> Hello all.
> 
> If you are using MicroSim v 8.0 for your simulations, I would like to
warn you
> about an issue I noticed when simulating TC primary, secondary and
interactions.
> 
> Namely, the resonance frequencies displayed in the transient analysis were
> WRONG! I reduced the circuit to one capacitor and one inductor: then it
should
> have been
> 
> f = 1/( 2 PI sqrt(L*C))
> 
> but MicroSim made a big error (5 - 10%) on the time scale: displayed
frequency
> was WRONG.
> 
> I had the option RELTOL set to 0.001 (the default). Setting RELTOL to 0.00001
> made a very big change and displayed the CORRECT frequency. Therefore, check
> your RELTOL and correct it accordingly to get consistent results.
> 
> Regards