Personally, I think I'd just go with two charge controllers. That way, you have redundancy if one of them dies.
On Fri, Jul 2, 2021 at 12:31 PM Bill Prince <[email protected]> wrote: > It may come to that. Just wondered if there was a single charge > controller that could do that. > > The closest I have dreamed up is a hybrid wind/solar charge controller, > and feeding the wind input with rectified AC. I would want to reduce the > rectified DC from the AC enough that it would drop below the input > voltage of the solar. > > > bp > <part15sbs{at}gmail{dot}com> > > On 7/2/2021 10:22 AM, Robert Andrews wrote: > > So to translate, you want to feed a battery bank with two sources, > > Grid and Solar. So you want a AC->DC converter feeding a charge > > controller and another charge controller fed by solar. > > > > On 7/2/21 10:13 AM, Bill Prince wrote: > >> The problem is, we do not want it to be grid-tied; mainly because we > >> don't want to go through the hassle of the county and their grid-tied > >> goo-rah. We want this to be standalone, DC plant with power augmented > >> by solar. > >> > >> > >> bp > >> <part15sbs{at}gmail{dot}com> > >> > >> On 7/1/2021 11:32 PM, Forrest Christian (List Account) wrote: > >>> I'm not sure about the exact models which are being recommended, but > >>> at least a few of these inverters are designed such that you tie > >>> your solar into them, and your batteries into them, and they will > >>> manage the solar+AC consumption in a way to minimize the AC > >>> consumption. You'd have to look at each one to determine if their > >>> implementation would work in your situation. > >>> > >>> Also, are you somewhere that it doesn't just make sense to do a > >>> grid-tied inverter and do net metering? (I.E. poor net metering > >>> rules). > >>> > >>> > >>> On Thu, Jul 1, 2021 at 4:57 PM Bill Prince <[email protected] > >>> <mailto:[email protected]>> wrote: > >>> > >>> Again, that has an inverter to supply the load. That is the > >>> opposite of > >>> what we are looking for. > >>> > >>> > >>> bp > >>> <part15sbs{at}gmail{dot}com> > >>> > >>> On 7/1/2021 1:06 PM, Robert Andrews wrote: > >>> > > >>> > https://shop.signaturesolar.us/products/6kw-120-240v-grid-tie-inverter-by-delta > >>> > >>> > > >>> > > >>> > On 7/1/21 12:18 PM, Chuck McCown via AF wrote: > >>> >> Outback power makes inverter/charger combo units. You could add > >>> any > >>> >> solar controller to the mix. > >>> >> There are islanding inverters that are an all in one unit. > >>> >> I don't know anything about this product but it came up when I > >>> >> searched for islanding grid tie inverter: > >>> >> https://www.pika-energy.com/islanding-inverter/ > >>> >> > >>> >> -----Original Message----- From: Bill Prince > >>> >> Sent: Thursday, July 1, 2021 12:25 PM > >>> >> To: AFMUG > >>> >> Subject: [AFMUG] Hybrid AC/Solar charge controller? > >>> >> > >>> >> We are looking for a hybrid AC/Solar charge controller. We have > >>> a few > >>> >> sites that are primarily powered by the grid on AC using a DC > >>> UPS to > >>> >> keep up a 48VDC plant. Most of the equipment runs directly on > >>> the 48VDC, > >>> >> with a few legacy devices running on 24VDC. > >>> >> > >>> >> We want to augment the AC power with solar for a couple of > >>> reasons. > >>> >> First, it will provide recharge for the AC during expected > >>> rolling > >>> >> blackouts. Second, we can reduce the overall AC/grid costs if > >>> the solar > >>> >> can provide the bulk of the power when the sun is shining. We > >>> live in a > >>> >> relatively solar-friendly environment, and typicially get 5-11 > >>> hours of > >>> >> usable solar per day, depending on season. We think an > >>> appropriately > >>> >> sized solar/battery setup could eliminate the need for a > >>> generator. > >>> >> > >>> >> I'd like to find an off the shelf solar controller that can > >>> take 2 power > >>> >> inputs; one from solar, and one from AC (or maybe just > >>> rectified AC?). > >>> >> > >>> >> Any help from the borg? > >>> >> > >>> >> > >>> > > >>> > >>> -- AF mailing list > >>> [email protected] <mailto:[email protected]> > >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > >>> > >>> > >>> > >>> -- > >>> - Forrest > >>> > >> > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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