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Heya Sunny,
I also forgot to mention that the two supplies (1200W and 400W now) are both off the same phase now, so that helps with the imbalancing.
The 240V/120V step down as you mentioned should reduce current peaks for the inrush condition. Using the 240V/120V step down also has the...
We ended up going with a safe approach and have the following:
Surge/Filter/autoreg box --> 240/120 step down --> power supplies
Autoreg box:
https://www.digikey.com.au/en/products/detail/tripp-lite/LR2000/269584
Step down...
Hi again all, sorry I'm slow to get back. There's too much happening right now.
I'd like to focus on the initial pair of units being damaged as I suspect something specific to the other paralleled supplies and the turn-on ramp up behavior. I also cannot take photos, nor can I be specific about...
Hi all!
I'm hoping someone has seen something similar or the solution is obvious.
We have multiple AC/DC SMPS (lab power supplies) at ratings at ratings of 400W, 1500W and 2X 600W all rated at "100-240" (max 265VAC in manual) that have had the fuses or MOVs fail (MOVs all measured <50ohm on...
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