Fronius Galvo can be positively grounded. But the instructions literally say to take the factory-installed fuse (neg to ground) and install it between positive and ground “outside the inverter.”
Brian > On Oct 14, 2020, at 4:10 PM, Ray <[email protected]> wrote: > > > The Midnite Solar Classic Controller used to be able to be positive grounded. > The Classic 250 can do five 60 cell modules in series. > > Ray Walters > Remote Solar > 303 505-8760 > On 10/14/20 3:18 PM, Dave Angelini Offgrid Solar wrote: >> I got around this for a client by adding an XW and the high voltage MPPT. >> It has a positive ground option and it worked well. Scheider now has a 100a >> Mppt version BTW. Pretty easy way to solve it and add batteries. Use a >> Radian also if the FM100 can be negative grounded. >> >> >> Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ >> e-mail [email protected] >> text 209 813 0060 >>> >>> >>> >>> On Wednesday, October 14, 2020, <[email protected]> wrote: >>>> Looking for feedback on the following, any help would be appreciated; >>>> >>>> Positive grounded arrays(Sunpower systems) what is being used as an >>>> Inverter replacement? >>>> Hard to get SMA's SBxxxxUS older style units that have the built-in >>>> POS/NEG grounding capability... >>>> As far as I know the newer line of Inverters from SMA will not work ; they >>>> are TL's and are not compatible. >>>> >>>> It would be tempting to "Un-Ground" the array and use the newer line of TL >>>> Inverters from SMA. >>>> The Discon would need to do both POS/NEG lines;OK >>>> I know of this being done with Arrays that are NEG grounded. >>>> >>>> How much of a Power loss from the array would be expected due to removing >>>> the POS ground on Sunpower panels and run them Un-grounded ? >>>> Guessing say 15 to 20% ? >>>> >>>> This may be a solution that the customer would go along with short of >>>> replacing the entire system. >>>> >>>> >>>> >>>> >>>> Best Regards >>>> Louis Segarra >>>> Tech Department/Field Operations >>>> Solar Cowboyz >>>> (530) 273-4895 >>>> (916) 212-0282 >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: [email protected] >> >> 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/[email protected]/ >> 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 >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > 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/[email protected]/ > 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 >
_______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] 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/[email protected]/ 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
