It would be good to know how much energy the wind turbines have been producing, if any, if that information is even available. Eight batteries per inverter? Two separate banks? They installed the system? DIY? In any event, it sounds like a situation you want to approach with caution. The crux of the problem may be they now use the grid to charge the batteries which power the inverters which power the loads, instead of directly supplying the loads with the grid.
Dick Ratico --- You wrote: The system only uses grid power to charge batteries, they have two FX3048T in parallel so I don't think the meter is the issue. They did send me a picture of the two wind towers, one is 20 feet off the ground and one is 60 feet off the ground... No wind would be an understatement. Sent from my iPhone On Aug 24, 2012, at 7:43 AM, David Katz <[email protected]> wrote: > Check to see if their meter goes backwards. Some utility meters actually charge for power when you are selling. > Or maybe they have no wind and a new big flat screen tv that they leave on all the time. > David Katz > > > ----- Reply message ----- > From: "Jesse Dahl" <[email protected]> > To: "Wrenches" <[email protected]> > Subject: [RE-wrenches] Outback with grid charging > Date: Thu, Aug 23, 2012 11:28 pm > > > > Hello, > > I got a call from a family today about a system they had installed recently and they think they have a problem. They claim their electric bill has just about doubled since the system has been installed due to outback using the grid to power the loads instead of the battery bank. They claim the MATE always shows the system buying the exact amount as any load on the system draws. Due to the distance from my shop, I would like to get any ideas on what could cause this before I drive all the way there. > > What I know about the system: > 2 - outback inverters, 48v > 2 - whisper 500 wind generators with whisper charge controllers > 16 - MK 12v AGMS (8/inverter) > > I guessing setting, but if anyone has seen this before, I'd like to narrow it down before the drive. > > Thanks eh! > > Jesse --- end of quote --- _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] 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
