Another super shaky video. I thought I would share my tinkering with pure sinewave inverter and a grid-tie inverter. It is possible to make a micro grid.
What you just demonstrate is a AC coupled system, I have a similar setup with sma inverters. The battery inverter control the pv inverter through frequency shifting to limit its output when the batteries are full and no loads are on.
Thanks for video. I posted a question about simulating grid power for using a grid-tie inverter with solar during a day and and battery at night for my off-grid greenhouse on many channels, but no reply. I am glad to find your video... thanks very much. looking forward for your next video on this subject.
Great video, i was literally just looking for this sort of "is it possible" video lol as i have a DC coupled 400V battery with PV inverter and wanted it working when grid goes down (don't worry i wont forget the automatic grid disconnect) lol
Hi Carl Thanks for sharing this. It seems many have tried this and failed, though you have clearly demonstrated it is indeed possible by using a zero export clamp. As the possibility still exist to backfeed the off grid unit due to time lag etc many years back someone mentioned using a simple "Current limiting light bulb" in the circuit. Wonder whether this could also be incorporated into your idea for extra protection of the off grid unit in particular the capacitors from popping. Hope you can try this experiment in a video for us, it would be interesting as he mentioned using this bulb limiter even without the ct clamp and many grid inverter do not have this function (cheaper inverters).
I have the same Sun grid-tie inverter, and I'm nervous about trying this, as I've noticed that even with the limiter it will show negative wattage on the display from time to time, and that might fry the other inverter. I'm curious how things have worked out with your setup.
i am looking for a 'converter' from grid tied to off grid.i have a Growatt min3600 tl-xe/x grid tied inverter and a renogy 2000 inverter,which i use now to power our washing machine in daytime,we also have a off grid battery 170ah,which is charged off my renogy and 2 x 410 longi panels on our
My dear friend.I have the 2 kw on grid tie inverter with limiter from solar company with input solar panel 45-90 volts.Also i have a 5 KW off grid tie inverter with battery as well.Can i use the off grid inverter with the battery to produce my home made small grid.??And for that case could i use extra s.panels for the off grid inverter of 2 kw so they could be equal in power output?? finally could i use the off grid output to ignite and wake up the On grid tie inverter with limiter???Thank you so much.Good productive day....
Nice trial.Friend i have one question.I have a 1000 grid tie inverter which needs grid to work.I want to create my own grid with an off grid inverter and a small battery.Does the off grid inverter needs to be in the same power 1000 watt???thank you.
Can you provide the Model Numbers for the exact inverters used in this test, as I am unable to tell from the video, exactly which model inverters you are using? Also, you mention an external current limiting sensor. Can you provide a manufacturer and model # for that as well?
It's hard to follow with all the chords everywhere wondering if you could redo the video put things in Pacific order and explain it step by step on how you did this process I would like to repeat it but it is hard to follow what's actually being done we kind of understood it at the end but you can't reproduce those results if that's what you really want some people don't care if you think it's fake or not we care about if it's real or not we would love to reproduce your experiment maybe some drawings or some illustrations would help thanks anyway not getting down on your video we loved it
What you just demonstrate is a AC coupled system, I have a similar setup with sma inverters. The battery inverter control the pv inverter through frequency shifting to limit its output when the batteries are full and no loads are on.
Thanks for documenting and sharing your tests. I've pondered this same scenario.
Thanks for video. I posted a question about simulating grid power for using a grid-tie inverter with solar during a day and and battery at night for my off-grid greenhouse on many channels, but no reply. I am glad to find your video... thanks very much. looking forward for your next video on this subject.
cool, it appears to work well
Great video, i was literally just looking for this sort of "is it possible" video lol as i have a DC coupled 400V battery with PV inverter and wanted it working when grid goes down (don't worry i wont forget the automatic grid disconnect) lol
Hi Carl Thanks for sharing this. It seems many have tried this and failed, though you have clearly demonstrated it is indeed possible by using a zero export clamp. As the possibility still exist to backfeed the off grid unit due to time lag etc many years back someone mentioned using a simple "Current limiting light bulb" in the circuit. Wonder whether this could also be incorporated into your idea for extra protection of the off grid unit in particular the capacitors from popping. Hope you can try this experiment in a video for us, it would be interesting as he mentioned using this bulb limiter even without the ct clamp and many grid inverter do not have this function (cheaper inverters).
so are you putting a DC power supply into the battery terminals? in place of battery?
I have the same Sun grid-tie inverter, and I'm nervous about trying this, as I've noticed that even with the limiter it will show negative wattage on the display from time to time, and that might fry the other inverter. I'm curious how things have worked out with your setup.
i am looking for a 'converter' from grid tied to off grid.i have a Growatt min3600 tl-xe/x grid tied inverter and a renogy 2000 inverter,which i use now to power our washing machine in daytime,we also have a off grid battery 170ah,which is charged off my renogy and 2 x 410 longi panels on our
My dear friend.I have the 2 kw on grid tie inverter with limiter from solar company with input solar panel 45-90 volts.Also i have a 5 KW off grid tie inverter with battery as well.Can i use the off grid inverter with the battery to produce my home made small grid.??And for that case could i use extra s.panels for the off grid inverter of 2 kw so they could be equal in power output?? finally could i use the off grid output to ignite and wake up the On grid tie inverter with limiter???Thank you so much.Good productive day....
Awesome video! Do you think it would it be possible to trick the grid-tie one with a pure sine wave output UPS?
So you know this issue with this right?
Nice trial.Friend i have one question.I have a 1000 grid tie inverter which needs grid to work.I want to create my own grid with an off grid inverter and a small battery.Does the off grid inverter needs to be in the same power 1000 watt???thank you.
Hi
Hi, nice video. If I may kindly ask, could you please share the details of the triac current limiter ? Thanks
With that setup IT would be easy to test the effiency og that grid tie inverter. I think its very bad but would very much like to know
Can you provide the Model Numbers for the exact inverters used in this test, as I am unable to tell from the video, exactly which model inverters you are using? Also, you mention an external current limiting sensor. Can you provide a manufacturer and model # for that as well?
Your comment about wanting to the GTIL with batteries is a little strange - the GTIL has that functionality anyway?
If no grid is attached do you still need a limiter? The chance of feeding into a grid is zero when its a offgrid system.
It's hard to follow with all the chords everywhere wondering if you could redo the video put things in Pacific order and explain it step by step on how you did this process I would like to repeat it but it is hard to follow what's actually being done we kind of understood it at the end but you can't reproduce those results if that's what you really want some people don't care if you think it's fake or not we care about if it's real or not we would love to reproduce your experiment maybe some drawings or some illustrations would help thanks anyway not getting down on your video we loved it