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  1. 21-01-2018 #1
    Nickhofen's Avatar
    Lives in Piraeus, Greece.
    Nickhofen
    Last Activity: 08-09-2024 Has been a member for 7-8 years. Has a total post count of 402. Received thanks 68 times, giving thanks to others 184 times.
    You must go with DC so I can copy the plans and make my DC power supply!
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  2. 22-01-2018 #2
    Neale's Avatar
    Lives in Plymouth, United Kingdom.
    Neale
    Last Activity: 12 Hours Ago Has a total post count of 1,746. Received thanks 297 times, giving thanks to others 11 times.
    If I had a drive with the option of AC input, I would go with that. It will have an appropriate internal rectifier/capacitor setup, and actually the capacitors do not need to be that big. You use bigger capacitors when the PSU is feeding multiple drives as you are smoothing with a bigger current demand, and it also provides a bit more isolation between drives so demand from one will not affect the others. Stepper drivers really do not need a very smooth supply voltage anyway - because of the way they work, they are pretty tolerant of supply voltage ripple.
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