I mean if you want to add a transformer to it you can do anything to want with voltages. It doesn't provide you 120V from the service transformer.
Corner grounded Delta gives you a grounded 3 phase service (safer than ungrounded) with one less wire than high-leg delta (3 instead of 4), making it cheaper when the wiring was the expensive part. Patrick Finnegan On Tue, Jan 4, 2022, 22:16 Grant Taylor via cctalk <[email protected]> wrote: > On 1/4/22 7:43 PM, Patrick Finnegan via cctalk wrote: > > It's the even more obscure corner-grounded delta, which requires even > > more care and can't provide 120V power, since the phase to ground > > voltage is 240V. > > Why couldn't 120V be derived from either of the 240V phase and the > grounded corner via a 2:1 transformer? > > I'm not sure how to get the two opposing 120 legs, or if they are > strictly required in this instance. I would wonder if it would be > possible to ground the center tap on the secondary side of the 2:1 > transformer mentioned above or not. > > > > -- > Grant. . . . > unix || die >
