Re: [RE-wrenches] Is There an "Off-grid" (i.e. constant voltage) Version of Microinverters?

Sun, 17 Apr 2022 09:16:51 -0700

This is great information folks. It looks like Cybo has most of the load scenarios covered.

I have one last question before I call them on Monday morning: "Do the Cybo inverters support LiFePO4 batteries? That is, does one of their four DC inputs not only auto-detect batteries but does it recognize LiFePO4 vs. PbAcid? It is my understanding that LiFePO4 batteries need a different charging cycle compared to PbAcid to attain a 100% SOC.

- Peter

Peter T. Parrish, Ph.D.
President, California Solar Engineering
1107 Fair Oaks Blvd Ste. 351
South Pasadena, CA 91030
(323) 839-6108

On 04/16/2022 3:59 PM Darryl Thayer via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:


yes, there are three versions of the cybo inverter, the one that I a most familiar with produced a 60 HZ AC signal; the voltage did not exceed 120 volts or 240 volts.  The voltage out times the current out was equal to the voltage in times current in.  This allowed me to operate a resistance load, like a water heater. 

On Sat, Apr 16, 2022 at 2:39 PM Glenn Burt via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:
Take a look at Cybo inverters

-Glenn
Sent from my 'smart'phone, so please excuse typos and spelling errors.

------ Original message------
From: petertor--- via RE-wrenches
Date: Sat, Apr 16, 2022 12:49 PM
Subject:[RE-wrenches] Is There an "Off-grid" (i.e. constant voltage) Version of Microinverters?

It has been a while since I installed a PV system, so I apologize in advance for my ignorance wrt product availability. 

I recently had need for the off-grid equivalent of a grid-tied microinverter. I have an assortment of new and not so new PV modules such as the Solaria mono, 400 Wp and the Jinko poly, 310 Wp. I would like a microinverter that makes available 120 Vac (or 240 Vac but 120 is preferable), 60 Hz. I would then take the output of these microinverters and combine them in a subpanel. I do not have a need for battery storage.

I can explain more about the application to anyone who has an interest.

Does such an component exist?

Thanks in advance for any help.

- Peter

Peter T. Parrish, Ph.D.
President, California Solar Engineering
1107 Fair Oaks Blvd Ste. 351
South Pasadena, CA 91030
(323) 839-6108

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_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org 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 There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ 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

Peter T. Parrish, Ph.D.
President, SolarGnosis
1107 Fair Oaks Blvd Ste. 351
South Pasadena, CA 91030
(323) 839-6108

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