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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
