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How can avoid the rectifier PIV exceed value, changing diodes? what's? The last choke is a CMC but can't simulate.

As the current doesn't instantaneously drop to zero in real life, the voltage generated will be limited.? HOWEVER, your power line is not a perfect sine wave forever... there are inductive devices

Try "Figure out the load resistance, E/I (Volts, Amps), then divide that by 1200. The result is in Henries." In 50Hz lands use "1000". So for 24VDC and 0.6A we have 40r, divide by 1200 is 0.034H. Or

There could be a danger of damage to the rectifier; the problem is the choke value being too low. It's essential on a choke supply for the current to be continuous through the choke without dropping

PSUD gives me this result on a particular power supply (yes, the choke is underspecified on purpose).? Playing with rectifier leak mitigates the problem somewhat, but it still looks unnatural.? Is

Is the 39 nF silver mica cap (between the HT legs) a correct value? I can only find 39 pF in Mouser catalog

Thank you Evert, I don't remember where to post the link but Duncan posted that the recommended "simulate" set is for "100ms" after a reporting delay of "0" S to see the best real ripple your PSU is

very reliable info well known amp builder evert Verstuurd vanaf mijn iPhone

Can you check the location that you're trying to load from using Windows Explorer (file manager), maybe by trying to rename a file to see if you have write access to the file. PSUD under Windows can

Attached DHTRob manual/guide, could I trust him? or do you have a better tutorial/guide to use PDUII? TIA Felipe

Win 10,? kept current.? Build 76. Thanks, Jack

Would need to know about your setup: Type of operating system (MacOS / Windows), version/build of PSUD from Help|About. Regards, Duncan

I haven't used this for a while and now find that I cannot open any of my saved .psu files.? Looks like some permissions issue.? Any suggestions? Thanks, 73 Jack KZ5A

Hello Duncan, Thanks again, attached requested rectifiers.txt file. Kind rgds Felipe ________________________________ De: [email protected] <[email protected]> en nombre de Duncan Munro

Hi Felipe, This is the old version so the previous advice will not help you. Could you please email your rectifiers.txt file to me at postmaster@... and I will take a look at it for you,

Hi Duncan, Thanks for support, attached screenshot. Best regards Felipe ________________________________ De: [email protected] <[email protected]> en nombre de Duncan Munro

Hi Felipe, It may be you are using the more modern version of PSUD II which doesn't use rectifiers.txt? If you go to Help -> About it will tell you the version number. If it's build 74 (version

I added some rectifiers to rectifiers.txt, but when open PSUDII aren't available? TIA for help Felipe

Hi Chris, I had this issue a while back, it's security related. Please check Message #20 ( /g/duncanampspsud/message/20 ) within this group for some suggestions that may help.

Good morning. ?Running MacOS 12.1 Monterey. ? When I opened psud this morning, I got the following error popups. Clicked "OK" in both cases to ignore, but psud does not open. Downloaded build 77,