If the SI system has enough reserve, run it totally off-grid with the grid as backup. Then they will never see any transitions.
On Sun, Oct 12, 2014 at 10:40 AM, Tump <t...@swnl.net> wrote: > Thats the best fix I've heard yet! > Document then DUMP IT! With the power logger you would also be able to > capture the transition from utility to SI for your home auto gusto see if > he is able to accept the power quality too. > > On Oct 12, 2014, at 10:24 AM, Chris Mason wrote: > > I recently worked on a Sunny Island/Sunny Boy system in a nearby island, > that powered and protected a complete Home Automation system, including the > airco system keeping it cool. I had to restart the Sunny Islands to sort > out a COMS problem, which revealed some IT issues. It turns out the Sunny > Island system had kept it all running smoothly for about four years without > an issue so no-one had realized some of the firmware was crunched. I would > get rid of the UPS altogether and that ends the problem. > > On Sun, Oct 12, 2014 at 8:01 AM, Tump <t...@swnl.net> wrote: > >> I have in the past have used the Fluke power logger 1735 , It will >> monitor 1/3 phases voltages spikes/dips in V, A, Hz , +++ AND one is able >> to print out a time line of all the "occurrences" that may trip the UPS. I >> rent this from some folks in Texas quite reasonable ~ $230/month or weekly >> too. NO MORE finger pointing! >> I found that when the generator was charging the batteries, the UPS's >> acceptable voltage window was below the limits and began beeping, due to >> the poor voltage regulation of the gen under hi load/charging conditions. >> Are you able to log the Hz as well as the voltages? The ups sometimes >> have very close voltage windows that they work within. The SI/SB's power >> quality should NOT be the issue. With this power logger one is able to see >> a time line and figure out what it operating at the time of "fault/beep" >> utility power or generator power. Contact me off list for rental contact >> info or if you would like to see what the graphs look like. Tool is easy to >> use and VERY informative. >> On Oct 12, 2014, at 1:21 AM, William Miller wrote: >> >> Friends: >> >> I am still having a pi$$ing match with the company that installed the >> expensive home entertainment system for a client over the issue of power >> quality. The UPS beeps frequently and the AV system crashes now and then. >> The lead installer has copped an attitude and is blaming the Sunny Island / >> Sunny Boy / Generac system for the AV system problems. The UPS emails >> reports in flurries that indicate a “power failure” has occurred. >> >> I have a Dataq data acquisition system sampling at a rate that allows me >> to see the individual cycles on the system output on one of three phases. >> During the time that a power failure is reported to have occurred each and >> every cycle looks great. I know this is not a definitive test of power >> quality so I upped my game. I bought a Fluke VR1710 power monitor and I am >> recording power quality from the same receptacle that feeds the UPS. >> >> I have some log files from the Fluke Power Log software but the >> instructions are not that great and I don’t know how to interpret the >> data. Do any of you have any experience with this software and could >> possibly advise me? >> >> In a more general sense, how good is power to be called “good”? I have >> done some research and the industry material is a bit overwhelming. Does >> anyone have a short answer? >> >> And lastly, even though the UPS is beeping, if it is doing what it is >> designed to do, the power quality should not be an issue because the UPS >> corrects for any problems. (Actually the UPS was beeping—the best move in >> this situation was to mute the annunciator so at least the homeowner is not >> hearing the beeper.) >> >> I know others of you are dealing with the same problems because it came >> up on this forum. I am interested in an approach that verifies the Sunny >> Islands are producing adequately good power, or not, so I can either >> address the problem or get the AV guy off my rear end. >> >> Thanks in advance. >> >> William >> >> >> <image002.jpg> >> Lic 773985 >> millersolar.com <http://www.millersolar.com/> >> 805-438-5600 >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> 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 >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> >> *t...@swnl.net* *www.SWNL.net* >> Solarwinds Northernlights >> * Serving Mid Coast Maine & Northern California* >> * 207-832-7574 <207-832-7574> Cl. 610-517-8401 >> <610-517-8401> * >> *Blair "TUMP" May* >> >> >> * ******** MAINE'S CHARTER ******** * * >> NABCEP "Certified PV Installer"* >> >> >> * ******** MAINE'S CHARTER ******** ** >> Trace Xantrex "Certified" Dealer / Installer"* >> >> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> 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 >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> >> > > > -- > Chris Mason > NABCEP Certified Solar PV Installer™ > Solar Design Engineer > Generac Generators Industrial technician > > www.cometsolar.com <http://www.cometenergysystems.com/> > 264.235.5670 > 869.662.5670 > Skype: netconcepts > _______________________________________________ > List sponsored by Redwood Alliance > > 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 > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > *t...@swnl.net* *www.SWNL.net* > Solarwinds Northernlights > * Serving Mid Coast Maine & Northern California* > * 207-832-7574 <207-832-7574> Cl. 610-517-8401 > <610-517-8401> * > *Blair "TUMP" May* > > > * ******** MAINE'S CHARTER ******** * * > NABCEP "Certified PV Installer"* > > > * ******** MAINE'S CHARTER ******** ** > Trace Xantrex "Certified" Dealer / Installer"* > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > 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 > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > -- Chris Mason NABCEP Certified Solar PV Installer™ Solar Design Engineer Generac Generators Industrial technician www.cometsolar.com <http://www.cometenergysystems.com> 264.235.5670 869.662.5670 Skype: netconcepts
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