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Status of Bench Testing of GS inverts.

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(@aquaticslive)
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Joined: 4 years ago
Posts: 249
 
11 minutes ago, The Blind Wolf said:

Well, come to think about it, the meter when it cuts off the top left button I think will turn it back on and read off, just change the probs to gator clips. 😛

Sounds good, I knew I was just being dumb on my searches just didn't think of using the word talking.  So yeah think I will sacrifice one take it apart and solder on some wires on for a big button to wake it up and to read out loud.  Not a a bad price so not too worried about messing it up. 


   
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(@the-blind-wolf)
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Posted by: @aquaticslive
Sounds good, I knew I was just being dumb on my searches just didn't think of using the word talking. So yeah think I will sacrifice one take it apart and solder on some wires on for a big button to wake it up and to read out loud. Not a a bad price so not too worried about messing it up.

There is somewhere on the internet how to build those things like that.  I did one time had one way back eary 2k, that had the button built on the prob to trigger it, but that meter you can't find anymore it would tell you what selection you was on and so forth, they took it off the market cause the company was affraid of blind folks killing them selves, which is sadly would have happen a lot, cause most total blind fokls don't know what the heck they doing, and don't relize how deadly power is.  Luckly I was sighted at one point and I do know better 😛

 

I thought about takeing one of those meter, use a solderless bread board, and build me a button setup, that I could press any of the buttons to know what is the reading of each group of battery cells and the overall total bank voltage.  Just ain't done it yet, with this 3d printing I'm doing, if I could see to do cad, I would have made several things already.  Oh well, sometimes you get it all, sometimes you don't so try catching them all ifyou can :P/


   
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(@richard)
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I'm recommending split-phase sync to @The Blind Wolf simply because he's been waiting sooooo long, and it's a solution that'd get him 12kw total output, with solid surge capability, right now.

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Parallel mode is tricky at best; definitely not throwing in the towel with the feature, it just needs fully tested to our satisfaction before shipping it.

Based on the complications (to me at least) of the modifications necessary for split-phase sync...

and your stating that you'll get the daisy chain working, I think that I'll just have Sean hold the second order until daisy is tested. (I'm going off of thinking that the first inverter will only need a firmware upgrade to be compatible?)

I'm really in no rush...just tired of looking at my main panel, **** show, that at the moment has the deep well pump and jet pump wiring disconnected and spliced into a separate panel fed by a Sigineer inverter.

Max load (other than when I tried to start up that old, central AC on the roof, is well within the capabilities of a single GS inverter. I was even thinking of experimenting with everything back on the main with the single GS... (don't have a clue what the surge is and the jet and deep well pumps running simultaneously pull about 4kw based on what I've seen of the Sig stats.)

To summarize, I don't know for certain that a single GS wouldn't be able to handle a situation where everything turned on simultaneously, so I want a second inverter to carry the rest of the load if the freak situation does occur.)

(And, to babble on a bit, we could add a timer to the deep well pump so that it only runs at night, to fill the storage tank, when the rest of the loads would probably be off.)

If you think my logic is flawed, or I don't understand daisy chain, feel free to put me straight.


   
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(@the-blind-wolf)
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7 minutes ago, Richard said:

Based on the complications (to me at least) of the modifications necessary for split-phase sync...

and your stating that you'll get the daisy chain working, I think that I'll just have Sean hold the second order until daisy is tested. (I'm going off of thinking that the first inverter will only need a firmware upgrade to be compatible?)

I'm really in no rush...just tired of looking at my main panel, **** show, that at the moment has the deep well pump and jet pump wiring disconnected and spliced into a separate panel fed by a Sigineer inverter.

Max load (other than when I tried to start up that old, central AC on the roof, is well within the capabilities of a single GS inverter. I was even thinking of experimenting with everything back on the main with the single GS... (don't have a clue what the surge is and the jet and deep well pumps running simultaneously pull about 4kw based on what I've seen of the Sig stats.)

To summarize, I don't know for certain that a single GS wouldn't be able to handle a situation where everything turned on simultaneously, so I want a second inverter to carry the rest of the load if the freak situation does occur.)

(And, to babble on a bit, we could add a timer to the deep well pump so that it only runs at night, to fill the storage tank, when the rest of the loads would probably be off.)

If you think my logic is flawed, or I don't understand daisy chain, feel free to put me straight.

Well dasy chain will work with a software update, it works, just in my case, if I have a surge say my Heater kicking on, it needs to provide 9k just for the heat strip, of course I'm not going to try that even witht he split setup, the heater is wired incorrectly as it shouldn't use that kind of power for a heat pump.  Anyhow.  If y ou got a lot of surges, it can be a issue with dasy chain, though Sid is working to narrow that issue, its all in the software side, the hardware can do it, and has been proven it works on Sid side, its just you got to factor in everybody setup is not the same as poor Sid who uses wire that came out of a factory clearing house and over 100 foot long and not cut down to shorten its length for his system and well, he useing things that Sean only dreams of such as Linux. . . *grin*

 

If you want true high power fast surge, the split phase setup is the way to go. the Dasy chain will work, but will take time, and the 6k gs has been proven to do 8k without breaking a sweat, just you have to void the warrenty to do it and its not recommended to push it at that high all the time.  With what I'm setting up it don't mean that either inverter is going to be equal in output, if one of my legs like l1 is useing 6k, and the other one isn't I can run into a issue.

 

I've not asked Sid, but I'm almost guessing I could get two more gs inverters and do the same setup and increase my power to 24k, but I not sure.  Seems almost like I could, that would almost be like dasy chaining lol. 


   
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(@sid-genetry-solar)
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Posted by: @the-blind-wolf
I've not asked Sid, but I'm almost guessing I could get two more gs inverters and do the same setup and increase my power to 24k, but I not sure. Seems almost like I could, that would almost be like dasy chaining lol.

You technically could, however they would have to go to separate breaker panels.  Which is what Sean is considering doing once he gets enough solar up.


   
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(@sid-genetry-solar)
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Posted by: @richard
Max load (other than when I tried to start up that old, central AC on the roof, is well within the capabilities of a single GS inverter. I was even thinking of experimenting with everything back on the main with the single GS... (don't have a clue what the surge is and the jet and deep well pumps running simultaneously pull about 4kw based on what I've seen of the Sig stats.)

So this is the weak spot of parallel "daisy" mode: it will not be very good at handling huge startup surges, as there's a delay between the "master" inverter seeing the load, "calling" for backup, and then the "slave" inverter throttling up as necessary.  Whereas a split-sync setup will have full instant surge rating available at all times.


   
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(@dickson)
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  Whereas a split-sync setup will have full instant surge rating available at all times.

 I  like the parallel  daisy mode  since one  6kw GS  will handle  8kw surge .   The 2 GS  will be splitphase  240vac as is . 

The  120vac GS inverter  can  be  converted to  240vac  splitphase  with an  autotransformer  I have  so that  will work also  if  not  sync splitphase mode .   


   
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(@waterman)
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Posted by: @sid-genetry-solar
Almost certainly will not work. Problem is, it's SUPER easy to detect AC amperage. You could literally wrap some turns of wire around an AC power wire, and scale it to determine the current flowing through the AC power wire.

Now Sid, if you could hack one of these, https://www.ebay.com/itm/264898999478?hash=item3dad35f4b6:g:o4YAAOSw9OlfhtW8 all would be simple.


   
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(@sean-genetry-solar)
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Matt. I labeled everything for you and your electrician. Note the M and S for master and slave.

Working on a video as well.

 

Enjoy your new units

20210518_104842.jpg


   
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(@sid-genetry-solar)
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Posted by: @waterman
Now Sid, if you could hack one of these, https://www.ebay.com/itm/264898999478?hash=item3dad35f4b6:g:o4YAAOSw9OlfhtW8 all would be simple.

Actually my brother has one, so I've seen those before--but they aren't very accurate at lower amperages. 

I'm more familiar with the HSTS21-series hall sensors, which are good for measuring DC amperage.


   
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(@the-blind-wolf)
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54 minutes ago, Sean Genetry Solar said:

Matt. I labeled everything for you and your electrician. Note the M and S for master and slave.

Working on a video as well.

 

Enjoy your new units

//content.invisioncic.com/g308908/monthly_2021_05/20210518_104842.thumb.jpg.21a0a54c47d78098e25be176c4345abc.jpg

Sweet.  can't wait to get them.hope they show up before friday, cause I'll be at the doc friday for about two hours. ups sometimes deliver in the afternoon so should be good.  They going to love me, witht hose big boys, hope they got hand trucks. I got a wagon, my hand trucks are out of order, might go get the tires replace though lol.


   
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(@the-blind-wolf)
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Just saw my tracking info.  Now just hitting refresh on youtube waiting for the other video to pop up.


   
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(@the-blind-wolf)
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Hey Sid, with these GS being split as they are, are the 120 outlets still goi ng to work the same or what?


   
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(@sid-genetry-solar)
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33 minutes ago, The Blind Wolf said:

Hey Sid, with these GS being split as they are, are the 120 outlets still goi ng to work the same or what?

Both physical outlets on the inverter will be the same phase (obviously, as the inverters are set up for single-phase); both still have the 15A breakers on them.


   
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(@the-blind-wolf)
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11 minutes ago, Sid Genetry Solar said:

Both physical outlets on the inverter will be the same phase (obviously, as the inverters are set up for single-phase); both still have the 15A breakers on them.

Cool.  Considering on putting in a sub panel and move things to it, that way I can have more breaker space and as well as use the grid to recharge the batts if need be instead of a gen. they still ain't sent my remote. going to calll them tomorrow and find out where it is lol.  No biggy, I can easly go out and start it, I might find my other two remotes if I dig around enough lol.


   
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