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  1. 26-06-2018 #1
    JW1977's Avatar
    Lives in Vetlanda, Sweden.
    JW1977
    Last Activity: 09-02-2024 Has been a member for 9-10 years. Has a total post count of 85. Received thanks 2 times, giving thanks to others 22 times.
    Hi!

    I’m about to build a PSU and im thinking about optimal voltage.
    According to (32 x √L = Vmax), the optimal voltage for my steppers would be 43 V if they are wired in bipolar parallel which I have intended to. The formula comes from Geckos site but ive seen that all people do not agree. One aspect is modern drives and what the can do to keep heat down and so on.
    This is all theory from my side and I wonder if you experienced people would recommend “bumping” that up a bit? I havent given any info about my machine but im curious of how you think in general?


    I’m looking at two toroidal transformers.
    Second winding of 36V would give about 48V.
    Second winding of 40V would give about 52V.

    Below is some data from the steppers.

    Cheers

    Click image for larger version.  Name: 23HS33-4008D.jpg  Views: 188  Size: 79.8 KB  ID: 24476
    Last edited by JW1977; 26-06-2018 at 01:32 PM.
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