I wasn't going to say anything, but electric clocks off-grid? really??? Todd
On Monday, April 4, 2011 6:20pm, "Kent Osterberg" <k...@coveoregon.com> said: > Kris, > > Even with generators using an electronic governor, the frequency changes > with load. Also while inverters are stable their frequency is not as > accurate as utility power. Clocks that use the ac frequency as the time > standard will not work reliably when powered with off-grid power. Such > should be disclosed in any contract to install an off-grid power system. > > Kent Osterberg > Blue Mountain Solar > > > Kristopher Schmid wrote: > > I have an off-grid client who tells me that his clocks lose about 1 minute > > per hour while he is running his backup generator. Has anyone seen this > > before? Do clocks use the zero crossing on a 60Hz wave for keeping time and > > could a frequency discrepency in the generator cause this? > > > > My thanks to the brain trust... > > > > Kris > > > > Legacy Solar, LLC > > 864 Clam Falls Trail > > Frederic, WI 54837 > > 715-653-4295 > > sol...@legacysolar.com > > www.legacysolar.com > > > > _______________________________________________ > > List sponsored by Home Power magazine > > > > List Address: RE-wrenches@lists.re-wrenches.org > > > > Options & settings: > > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > > > > Check out participant bios: > > www.members.re-wrenches.org > > > > > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > Sent from Finest Planet WebMail.
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