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  1. 25-04-2021 #3
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom.
    Clive S
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    Quote Originally Posted by Trefhi View Post
    Hi!

    I got some closed loop nema 23 steppers (3x 3N and 1x2.2N), with drivers and I'm not 100% sure wich PSU choose.

    This ones:

    https://es.aliexpress.com/item/33056...584063c0ZzRVQU

    Drivers are rated Vdc 24V-80V. The seller told me they use 24/36V 360W for two motors but reading the forum seems like using the higher voltage is better.

    So I was thinking to buy 2x 70V 400W. This ones:

    https://es.aliexpress.com/item/10050...c006H6V4p&mp=1

    Any recomendations? Thanks!
    Personally I would use a toroidal with 3 caps and a rectifier this much better than a switch mode supply.

    25-25 secondary in series will give about 68v DC when rectified.

    Edit: 500 or 625Va would be more than enough for the toroidal.
    Last edited by Clive S; 26-04-2021 at 06:42 AM.
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