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I will grab that information if it happens again. It definitely did not happen immediately - it did it when i looked away for a moment after thinking all was fine.
Well... can't seem to repeat it... Not sure what to make of that.
Seems to be working great. The voltage fix is very much welcome especially since grid-voltage runs quite high here. (245+ volts).
Checking the Max Watts when the AC unit failed. This stats screen is a bit weird looking to me.
Batt. V: 11.53 to 314.0 is not possible . My LCD stat screen show Batt. V. 46.0 to 400.0 sometimes . One time over 900.0 but do not know where the false readings are comming from . The inverter shut down one time but no problem as the external multimetrer show correct readings . No problem starting the 4 ton heat pump instantly and running over 10kw .
Tested with my PowerMax not perfect comparison but turned it down to be pretty close. PowerMax Charger 880.2 in and 809.74 out about 92%. I will most likely keep the PowerMax as the primary charger when on the generator and use the GS as a backup if needed.
I use external battery charger at night with output of over 3000 watts to charge 65v lithium ion battery . I do not use the inverter to do battery charging or generator backup . I use an inverter generator to run the external battery chargers sometimes .
My LCD stat screen show Batt. V. 46.0 to 400.0 sometimes . One time over 900.0
Ah, I got it...we're dealing with a redraw issue resulting from a brief lapse of internal comms.
Not a readout problem.
Can fix this next update.
Update the screen is fine, just a glitch. The AC unit I took apart and found a DC low voltage fuse inside on the control board that was blown a solder on one right after a small transformer. What happened just prior to it going dead is the inverter kept cycling power, I am guessing that it the surge protection kicking in I could see on my older scope during the process the wave form was scrambled. I am sure that noise is what caused the fuse to blow inside the AC unit glad there was one, just sucks to replace.
Update the screen is fine, just a glitch. The AC unit I took apart and found a DC low voltage fuse inside on the control board that was blown a solder on one right after a small transformer. What happened just prior to it going dead is the inverter kept cycling power, I am guessing that it the surge protection kicking in I could see on my older scope during the process the wave form was scrambled. I am sure that noise is what caused the fuse to blow inside the AC unit glad there was one, just sucks to replace.
Umm...I seem to be missing context on this? Inverter kept cycling power? Screen glitch? Can you elaborate?
Inverter kept cycling power?
Well from the posts above. Summary of when it took out my AC unit, battery had finished charging and the ATS switched it back to battery power automatically. I was monitoring it when that happened the inverter made a buzzing and watching the wave form on the Oscope the wave form was scrambled. I checked the max watts on the inverter you can see screenshot above, the AC unit only draws 760 Watts, so the swap over must have locked the rotor making the watts jump to 3400 and then the inverter did that buzzing process and that took out the fuse on the DC board on the AC unit. When I switched to the screen to view the max watts it glitched out and saw the repeated information.
Later checking stuff out on the inverter and its working fine, I will be more careful to turn off all loads before switching over.
Ah, somehow I didn't get any forum notifications of your previous posts. Went back and found them.
Interesting feedback. A seamless return transition is in the works, but I haven't gotten the code written yet.
Busbar is nickel-plated copper...not intended for super accuracy, but it might be getting hotter than we would like.
Current limit obviously is activating too early...which at 12v is unfortunately not too surprising. STILL trying to get my hands on a Kelvin-clamp milliohm meter so I can do things mathematically.
80% charge efficiency is way better than I expected, especially for a 12v inverter.
Interesting feedback. A seamless return transition is in the works, but I haven't gotten the code written yet.
For now to prevent it from switching automatically I am thinking if I set the ATS/Gen Off to a much higher voltage like 15V then it will prevent it from switching on it own. That will let me switch off all loads and then I will switch from shore power to inverter power manually. Is that that best approach to avoid that issue or is there an alternative manual setting?
For now to prevent it from switching automatically I am thinking if I set the ATS/Gen Off to a much higher voltage like 15V then it will prevent it from switching on it own. That will let me switch off all loads and then I will switch from shore power to inverter power manually. Is that that best approach to avoid that issue or is there an alternative manual setting?
What devices are you having issues with?
This was a major issue for me. So what i did was switch my sensitive devices to PoE, and are powered by a PoE switch powered by my 24v bank.
You might be able to do something like that -- or maybe use a UPS.
For now to prevent it from switching automatically I am thinking if I set the ATS/Gen Off to a much higher voltage like 15V then it will prevent it from switching on it own. That will let me switch off all loads and then I will switch from shore power to inverter power manually. Is that that best approach to avoid that issue or is there an alternative manual setting?
That's probably the best approach at the moment. It's a Band-Aid of sorts...though that's fine, as the full solution is a seamless return. Future update!
What devices are you having issues with?
Funny, I lost track of the post history as well-- @AquaticsLive detailed it earlier in the thread, and I missed it too.
Basically an A/C unit that had a compressor stall when the inverter transited--followed by an inverter current limit activation, which the A/C circuitry didn't take too well.
You might be able to do something like that -- or maybe use a UPS.
That is a good idea, I have a Cyberpower UPS that I upgraded the batteries. Nice though well guess that most do this now, but they compare the wave forms then swap over. Just takes a few seconds while its matching up them then the relay clicks. Watched it on the scope pretty neat how that works. Not that important though to use ATS right now, I haven't had that feature before so disabling it for now works for me.
Next project is to figure out the Generator start and stop relays. I figured out how one of them triggers on for 5 seconds and the timer adjustment on it. The second one I can't seem to figure out that one it should be the generator off pulse is my assumption like holding the button in the off position for 5 seconds to turn it off. Just not sure what setting I need to make that happen. I will do this with no load for testing, but would like to figure it out so I can run wires correctly.
The second one I can't seem to figure out that one it should be the generator off pulse is my assumption like holding the button in the off position for 5 seconds to turn it off. Just not sure what setting I need to make that happen.
You'd want to set the "GEN Type" to "(On)(Of)" to get the keyed "on" and "off" pulses.
In the plans is a rework of the generator start relays to be also effectively "system flag outputs", so you could use them for far more than just generator control. Set one relay for "error" output, and another one for "ATS relay on", etc.
Watched it on the scope pretty neat how that works.
Yeah, the GS inverter will try to match phase, frequency AND input voltage before switching over.