Steve Thompson wrote:
>
>Good point Ian, I hadn't spotted that.
I was alerted by some totally screwy results in another area.
>I changed the delay before analysing from 100ms to 1000ms - should be
>well into steady state. Now, dc current is 89mA, capacitor rms current
>is 202mA and transformer rms current is 221mA. Ok, it's a bit lower
>than the original values but either stack up reasonably with what I
>measure in practice. When rms current tends to be dominated by peak I^2
>and the current pulse in the cap is a narrow spike varying with source
>and load R and cap value, it seems to me that the dc/rms ratio could
>vary widely, and readily exceed 1.414. Can someone put me straight here?
>
Seems right to me.
--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)
Editor, 'The VHF/UHF DX Book'
http://www.ifwtech.co.uk/g3sek
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