> > Date: Wed, 26 Aug 2015 15:33:19 -0400 > From: Paul Koning <paulkon...@comcast.net> > Subject: Re: A tale of woe, including carelessness, stupidity > and laziness.... > > > Quite possibly two different phases, and if so, the would be 90 degrees > > out of phase with each other. > > 90? Three phase power is 120 degrees apart, center-tapped "two phase" > home power is 180 degrees, but I don't know of any power company service > that produces 90 degree shifts. > > In any case, RP06s use three phase power. The issue wasn't the power in > this particular story, but rather the ground wire (the green "protective > ground" that isn't supposed to carry current at all under normal operation). > > paul >
Not exactly true. RP06 drives are typically connected to 3-phase power, but only use two of the three phases. I have and RP06 running at home on 110/220VAC 2-phase. -- Michael Thompson
