Hi Jay I have gotten this type of information directly from Hammond, I would think from transformer to House line loss should be considered. From my Experiance, people go to 400 amp services mostly for circuit count. I have measured a few transformers in past but I don't know where data is now.
On Fri, Apr 26, 2024, 5:54 PM Jay via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Hi all. > > Anyone know what the tare loss and efficiency is of a 75 kw transformer? > And it would be run mostly at 1-10kw max. > > This one specifically. > hammond SG3L0075PE > > I’m just curious about it. The situation is 240vac grid at the street, > 600’ to the house 400 amps. > > > Why 400 amps on a house with propane heat, cooking, water heater, dryer > and no AC. > I don’t know. > > Thanks > Jay > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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