On Wed, Feb 15, 2006 at 03:24:52PM +0800, Chen Xiao Fan wrote: > That is why there are some controlled active rectifier > (using Power MOSFET and IGBT) for the high power AC-DC > applications. I think IR has quite some device for this > kind of application but they may not be cheap. > > Actually I suspect this high power rectifier will have > bad THD which is not allowed to be sold in Europe. But I > guess the OP does not really care about CE mark and other > regulatory requirement. You guess correctly. This is an art peice, made under a *very* tight deadline. There's a lot of corners I cut getting it to work for my deadline, and now I'm going back and fixing things properly. So do try to forgive me if I made any boneheaded mistakes in it's construction... Working 16 hour days for a month on it and a number of other big projects is not kind on ones judgement! -- pete@petertodd.ca http://www.petertodd.ca -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist