Delta transformer grounding (was: RE: GFCI in IT (three phase) Ne tworks)

1998-03-06 Thread Peter Tarver
Doug - Delta-delta transformers are popular with the utilities for economy's sake (they are less expensive than WYE transformers) For similar reasons, some industrial applications distribute and use power within their plants on delta feeds. In office environments, however, it's typical to use a

RE: Delta transformer grounding (was: RE: GFCI in IT (three phase) Ne tworks)

1998-03-06 Thread Peter Tarver
George - The answer to your question is: yes. However, in the US, this is type of system is used to deliver power to homes and there are either no or very few homes supplied with three-phase power. Such a system would be abhorrent to any user of all three phases, who would prefer the corner-grou

Re: Delta transformer grounding (was: RE: GFCI in IT (three phase) Ne tworks)

1998-02-26 Thread Georg M. Dancau
Peter Tarver wrote: Delta-delta transformers are popular with the utilities for economy's sake (they are less expensive than WYE transformers)  For similar reasons, some industrial applications distribute and use power within their plants on delta feeds. In office environments, however, it's ty