CAD CAM EDM DRO - Yahoo Group Archive

power supplies in paralell

Posted by carlcnc
on 2002-03-08 18:37:59 UTC
I just put larger steppers on my router,
biggest is rated 11A,#2 8A and #3 6.5A
The larger motor definitely starves for power under load.
This is a Microkinetics drive rack with 3 72v5A supplies and dr8010
drivers.
Given Mariss's comment that the power supply really "sees" only
66% of a motors rated current I come up with max necessary of
10+8=18x.66= 11.88A when the X and Y are under full load.

Can I paralell all three supplies ? Into one BIG cap,or use all three
caps ??
Does this sound like "boom",lotsa smoke and sparks??

thanks
Carl

Discussion Thread

carlcnc 2002-03-08 18:37:59 UTC power supplies in paralell