It's working great, but I did have to unlock it and set it to 12K shipped as 6

Sounding mighty tempting.

3 hours ago, Sid Genetry Solar said:

This is due to a much lower transformer resistance in the 12k: less voltage drop in the transformer at higher loads.  The less voltage drop in the whole system (batteries included), the less adjustment the inverter has to make when loads change.

Do the new 6K units also benefit from this? Pretty sure i saw new 6K trannys in a previous picture along side the new 12K ones.

17 hours ago, Steve said:

Whereas on the 6K load changes could be seen in my lights (flicker) the 12K has no flicker at all 

Huh. DC lighting here, so never see flickering on the GS6K. In an AC lighting environment I'd be tempted to put lights alone on their own subpanel / inverter but that's the solar weirdo in me talking.  Ordered a 6Kv2 so I will be comparing them at some point...

2 hours ago, kazetsukai said:

Huh. DC lighting here, so never see flickering on the GS6K. In an AC lighting environment I'd be tempted to put lights alone on their own subpanel / inverter but that's the solar weirdo in me talking.  Ordered a 6Kv2 so I will be comparing them at some point...

It's very noticeable with cheaper LED bulbs. Smart LEDs seem to ride the voltage drop better.

Seems as though moving lights to a subpanel ... you might as well make it a DC panel at that point. 😕 Short of doing something insane with PoE, i just don't see either one of those happening. I'll suck it up and deal with the flickering - or maybe get a 12K.

The new 6kw should be similar to the previous ones, just with the all-new design.  I adjusted the transformer core dimensions slightly on the new 6kw transformers for airflow purposes, but the winding spec is the same as before.

There is no feasible way to reduce the resistance of the 6kw transformer without literally making it the 12kw.  Adding more wire to reduce the resistance requires a bigger core, which increases the size of the transformer, which increases the size of the case, etc.

9 hours ago, NotMario said:

It's very noticeable with cheaper LED bulbs. Smart LEDs seem to ride the voltage drop better.

Seems as though moving lights to a subpanel ... you might as well make it a DC panel at that point. 😕 Short of doing something insane with PoE, i just don't see either one of those happening. I'll suck it up and deal with the flickering - or maybe get a 12K.

Is this "flicker" only at the point of load change, or is it constant?

Hair dryers on mid setting are often the worst... especially when they "dither" on and off full AC waves.  From the inverter's point of view, it's equivalent to plugging in and unplugging a 1,800W load 10-30 times per second, which will result in noticeable flickering.

But if you're experiencing flickering in your lights with constant loads, that's an issue we need to look into.

Only with load change, as would be expected. Electric stoves seem to be the most noticeable to me. Microwaves tend to be pretty bad too.

Don't have another type inverter of similar size to compare it to, but AFAIK this is typical and expected. My U-Power acts the same way - even a little worse.

I don't consider it a critical issue - most of the house uses smart lights anyway.

Makes it sound like the same issue with my Maytag problem. . .  But, I'll wait to see what you come up with when you get back from your Wonder Land trip.  😛

My question is, why would it be flickering if the GS is supposed to be a true sign wave?  Shouldn't it be no drops or breaks?  Almost sounds like a driver issue, maybe it needs a capacitor as a buffer to smooth out the output?  my 8k 12v pj and the china $200 3k runs things with no studdering.  Maybe I need to send my cheap china invert for Rand D to find out what makes it tick lol. . .Gerneraly when I'm running my house I'm pulling around 230w at the low end, and the highest I've seen was2700w on one of the gs while the other was around 1700w.

My AC right now runs about 30A more on one GS then the other on power draw.

My question is, why would it be flickering if the GS is supposed to be a true sign wave?

ASK Sean if you can trade in your 2 inverters  for the new GS12kw in production now .    The new GS12kw  will run your Maytag  and no more  LED Flickering .  The GS12kw  will run 9000 watts all  day and the transformer  highest temperature is 115 degree F  at  90 degree F  room temp .    

2 hours ago, The Blind Wolf said:

My question is, why would it be flickering if the GS is supposed to be a true sign wave?  Shouldn't it be no drops or breaks?  Almost sounds like a driver issue, maybe it needs a capacitor as a buffer to smooth out the output?

The voltage waveform is only sine wave when there is little/no load.  The constant flickering (i.e. no only at load turn on/off) is mainly due to inadequate/no compensation for non-linear loads (e.g. microwave, phase-cut dimmer controlled motors and heaters, etc.) that can cause significant voltage waveform distortion.

My guess on the washer is it's getting a voltage sag when it pulses the motor

The 12K should solve it

Another thing to try is running a space heater at the same time 

Getting ahold of him is well nearly impossble.  He never picks up, and never returns my calls.   So I have to work through Sid.  I wouldn't mind swamping them out, but I can't afford to even hardly buy my medicine at the moment as it is. I don't have the income like I did when I got the two six ks.

Yeah we kind of try that the washer seemed to run a bit better when my AC is running in the house, bu it still hangs up at a point and the washer sounds like sombody is grinding the direct motor when it goes back and forth. I don't think its anything to do with voltage sag. Sid improved it with the latest irmware, but not sure how much more he can do with software.  Like I said earlier, I can hook up a 12v 3k china brand to it with one 12v agm battery and it runs its like it was hooked up to the grid.

And I've noticed as well when I run my microwave it seems to not heat thigns up as fast as well.

Right now I'm running my whole house for the past 8 hours on them so.

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