Re: 3 phase 240v

[Victor Tikhonov <vtikhono@lsil.com>]

> > Addressing the theory behind obtaining 120/240 from a three-phase source
> > such as a generator:
> >
> > Connecting between any two "Hot" phases will give the equivalent of 240
> > single phase power.

Hmm, I don't think so. THe voltage meter shows may be 120VAC, but
look at the waveform. It is the same as summing up two sine waves
shifted 120' (third one removed). The shape is "squareish" and is not 
the same as *single* phase 240V tapped in the middle (two 120V 
180' apart) i.e. far from being sine.

Resistive and some other loads don't care, chargers which rectify
input anyway (PFC-20) don't care. Other chargers do (Zivan) or
get unstable (Siemens).

Victor.