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Duncan that's great. I will get back to you on types. BTW do you have a pay-channel for your time and expertise and/or do you know of anyone who does the sort of design for monobloc PSU given a bunch

Let me know what the rectifier model is and I'll try and work out some parameters, and explain how I got to them. The CLC can ring to give high voltages, LC can spike quite badly, either of these can

Duncan, Hi and thanks. My unfamiliarity with my new MacBook has been overcome with your assistance. PSUD2 (build 75) runs. Hurray! However, I cannot yet achieve usable results. Mathematics is not my

Hi, I've had a chance to look at this on the Mac, and have upgraded to latest Catalina. The first time you try to run PSUD2, it will ask for access to the Documents folder. It needs this access to

OK thanks for getting back so quickly, to be honest it was a bit of a shot in the dark. I haven't used the Mac for a few months, so will get it upgraded on Saturday to the latest OS and try again - it

Duncan, Hi Although it probably doesn't take the issues any further I can confirm this is a bog-standard 2019 MacBook Pro and certainly not company property! As for "customization" I have the usual

Hi, The first time PSUD runs, it attempts to copy the set of standard rectifiers and example PSUs from the .DMG file to the documents area (it's correct practice on the Mac to store things there). It

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I think the problem might be in the rectifier file. I've noticed it has a very high VLaw value (81) which doesn't look right and may encourage numeric overflows. rect type dres vlaw vfac vpiv ipks

In PSUD 2.1 build 63 on Windows 7, Adam's oops.psu file throws an error on loading. Help does nothing. OK shows numbers, all 10000M. The circuit looked OK but I never saw the SiC rectifier. On a hunch

Duncan, thanks for the quick reply. Currently using Win 7 here. Did some testing and its four models out of the list that produce the error. C4D200330D C4D02120A C4D05120A CSD20030D Very strange.

Hi, I've tried the sample file on V 2.20 build 74, can't see anything problematic in it, and it runs OK. I'm using Windows 10 for the test. For info, what operating system are you using? Regards,

Getting the above error when trying to run this simulation. Version 2.20 build 74. Thanks.

There is also a nice description about that at the ValveWizard's page: http://www.valvewizard.co.uk/psu.html

1. PLEASE follow the current / last doc path for File -> Save As. Navigating a directory tree for each revision is silly. 2. PLEASE make the app open in the same location as when closed. Opening in

The only way I can think to do that is to work out the average transformer current, however this will always equate to zero over a period of time as each half-cycle will cancel the other. One example

I understand what you're saying. I wonder though how one could utilize this software to assist in determining ac current requirements for a power transformer? Or are you saying that this higher rms

Thanks for the attachment, I had a look and can now explain the different numbers. The current in the transformer is through the winding and for both directions. Let's say the RMS value is X and the

Okay, I added the psu file here. I tried it with the latest build (75) and saw the same behavior. I'm running on Windows.

Hi Joel, could you post the .psu file here as an attachment? (hope that's possible, the forum is quite a new venture and still finding my way around it) Also if you could let me know which version you