Seth, Please send the info! I would be interested to see what he did. Never too old to learn. Rod
Seth wrote: > Rod, Matt and anyone who is interested: > > The work I was talking about was (I hear) done by a professor in Oregon. > I will ask around when I get back to work. It doesn't sound practical > for an Insight as far as I can tell. Or even the hobbyist. It appears at > first glance to help parallel IGBT work without paralleling them > electrically. I can post more later if I get more information. > > Seth > > Rod Hower wrote: > >>I would strongly recommend using a control that can handle the >>power requirements you need. >>Even if each control put out the exact same voltage magnitude and >>frequency, >>there is no guarantee each control will share 1/2 the motor current. >>Most likely each phase leg current will be higher in the IGBT or Freewheel >>diode with the lowest Vsat or forward diode drop in each control. >>IGBT's don't like to be paralleled anyhow, so you would probably go into >>thermal runaway on one control. >>You would be better off using dual AC motors and dual AC controls. >>Just to make life easy I would take the simple route and >>use an single AC motor and control with the power requirements you need. >>Rod >>P.S. What the heck are you building?l > > >
