Just a data point, I used a 10,000 uF capacitor for my 72v, 25A power supply.
Seems to work great. i On Wed, Apr 6, 2011 at 2:49 PM, andy pugh <[email protected]> wrote: > And now the cap sizing. > If I say that I can put up with 10% ripple at max rated current (7.5A > for the motors) on a nominal 300V then I end up with > C = 7.5A X 10mS / 30V = 2500uF. > > Eeek! > > > http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=5436785 > > Is the cheapest that is even close. > > A thread on CNCzone said 20,000uF per amp, but I decided to ignore that. > > -- > atp > "Torque wrenches are for the obedience of fools and the guidance of wise > men" > > > ------------------------------------------------------------------------------ > Xperia(TM) PLAY > It's a major breakthrough. An authentic gaming > smartphone on the nation's most reliable network. > And it wants your games. > http://p.sf.net/sfu/verizon-sfdev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Xperia(TM) PLAY It's a major breakthrough. An authentic gaming smartphone on the nation's most reliable network. And it wants your games. http://p.sf.net/sfu/verizon-sfdev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
