Hi Mark, The point of operation can be adjusted above normal battery operating levels, which essentially disables the feature.
Mark _____________________________________________________________________________________ Mark Edmunds, P.Eng. | Schneider Electric | Renewable Energies Business | CANADA | Director - Advanced Engineering Phone: +1-604-422-2609 | Fax: +1-604-420-1591 | Mobile: +1-604-613-3285 Email: mark.edmu...@schneider-electric.com | Site: www.schneider-electric.com/renewable-energies | Address: 8999 Nelson Way, Burnaby, BC, V5A 4B5, Canada *** Please consider the environment before printing this e-mail From: "Mark Frye" <ma...@berkeleysolar.com> To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org> Date: 04/13/2011 01:47 PM Subject: Re: [RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter Sent by: re-wrenches-boun...@lists.re-wrenches.org I see. Can this function be enabled/diabled? Mark Frye Berkeley Solar Electric Systems 303 Redbud Way Nevada City, CA 95959 (530) 401-8024 www.berkeleysolar.com From: re-wrenches-boun...@lists.re-wrenches.org [ mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of mark.edmu...@schneider-electric.com Sent: Wednesday, April 13, 2011 1:15 PM To: RE-wrenches Cc: re-wrenches-boun...@lists.re-wrenches.org; 'RE-wrenches' Subject: Re: [RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter Hi Mark, Gary, The Xantrex XW series inverters will do a frequency shift to cause most models of grid-tied inverter to disconnect when the batteries are full, while the system is operating in an ac coupled off-grid mode. The following app-note describes this operation. Cheers, Mark http://www.global-download.schneider-electric.com/852577A4005D7372/all/8FA29D94B918A0FB8525781F0072FCA7/$File/ac-coupling-app-note(976-0240-01-01_rev-a).pdf _____________________________________________________________________________________ Mark Edmunds, P.Eng. | Schneider Electric | Renewable Energies Business | CANADA | Director - Advanced Engineering Phone: +1-604-422-2609 | Fax: +1-604-420-1591 | Mobile: +1-604-613-3285 Email: mark.edmu...@schneider-electric.com | Site: www.schneider-electric.com/renewable-energies | Address: 8999 Nelson Way, Burnaby, BC, V5A 4B5, Canada *** Please consider the environment before printing this e-mail From: "Mark Frye" <ma...@berkeleysolar.com> To: <g...@icarussolarservices.com>, "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org> Date: 04/12/2011 09:37 PM Subject: Re: [RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter Sent by: re-wrenches-boun...@lists.re-wrenches.org Gary, I have been looking at some AC coupled stuff lately. The "FSC" is propriatary to SMA, Sunny Island to Sunny Boy. Pretty much anything else you need something to sense the voltage of the battery bank so you can open a contactor on the AC line to the Fronius when the battery voltage gets too high. Once the voltage drops the contactor can close and bring the Fronius back on line and then the 5-minute start up delay before it is feeding the line again. Mark Frye Berkeley Solar Electric Systems 303 Redbud Way Nevada City, CA 95959 (530) 401-8024 www.berkeleysolar.com
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